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Baltic Sea Environment Proceedings No. 130 Checklist of Baltic Sea Macro-species Helsinki Commission Baltic Marine Environment Protection Commission Baltic Sea Environment Proceedings No. 130 Checklist of Baltic Sea Macro-species Helsinki Commission Baltic Marine Environment Protection Commission Pubished by: Helsinki Commission Katajanokanlaituri 6 B Fi-00160 Helsinki Finland http://www.helcom.fi Authors Tytti Kontula and Jannica Haldin (Eds.) Johanna Arrendal, Janis Birzaks, Dieter Boedeker, Paulina Brzeska, Martynas Bučas, Uwe Böttcher, Natalia Chernova, Christian von Dorrien, Vladimir Fedorov, Ann-Britt Florin, Ronald Fricke, Karin Fürhaupter, Anders Galatius, Marika Gerb, Elena Glazkova, Piotr Gruszka, Martti Hario, Kristjan Herkül, Christof Herrmann, Tero Härkönen, Gustav Johansson, Ivar Jüssi, Anna Karlsson, Olle Karlsson, Hans Kautsky, Jan Kieckbusch, Kirsi Kostamo, Nikolay Kovalchuk, Ari Laine, Linas Lozys, Georg Martin, Alexey Maximov, Markku Mikkola-Roos, Timo Moritz, Peter R. Møller, Petri Nummi, Daniel Oesterwind, Christian Pusch, Krzysztof Skóra, Lidia Sternik, Antra Stipniece, Henrik Svedäng, Mikael Svensson, Martin Tjernberg, Ole Thorup, Kaire Torn, Konstantin Tylik, Lauri Urho, Franscesca Vitale, Alexandra Volodina, Michael L. Zettler. Acknowledgements: See Annex 1 For bibliographic purposes this document should be cited as: HELCOM 2012 Checklist of Baltic Sea Macro-species. Baltic Sea Environment Proceedings No. 130 Information included in this publication or extracts thereof may be freely cited on condition that the material is referenced using the citation above. Copyright 2012 by the Baltic Marine Environment Commission – Helsinki Commission Copy editing: Carolyn Symon (carolyn.symon@btinternet.com) Design and layout: Bitdesign, Vantaa, Finland Photo credits Front cover: Malin Ek/NANNUT. Back cover: Jannica Haldin. 2 Number of pages: 203 ISSN 0357-2994 Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.2 The HELCOM checklist for Baltic Sea species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.3 Work on the checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.4 Using and updating the checklist and distribution data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 1.5 Summary of the checklist entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 2. Checklist documentation and distribution data for Baltic Sea macrophyte species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.1 Expert Team . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 2.2 Taxonomy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 2.3 Defining parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.4 Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.5 Data sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.6 Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3. Checklist documentation and distribution data for Baltic Sea benthic invertebrate species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.1 Expert team . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.2 Taxonomy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.3 Defining parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.4 Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.5 Data sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.6 Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4. Checklist documentation and distribution data for Baltic Sea fish and lamprey species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.1 Expert team . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.2 Taxonomy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.3 Defining parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 4.4 Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 4.5 Data sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 4.6 Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 5. Checklist documentation and distribution data for Baltic Sea breeding bird species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.1 Expert team . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.2 Taxonomy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.3 Defining parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.4 Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.5 Data sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 5.6 Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 6. Checklist documentation and distribution data for Baltic Sea marine mammal species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 6.1 Expert team . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 6.2 Taxonomy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 6.3 Defining parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 6.4 Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 6.5 Data sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 6.6 Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 References for Chapter 1 to 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3 7. Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 7.1 Checklist for Baltic Sea macrophyte species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 7.2 Checklist for Baltic Sea benthic invertebrate species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99 7.3 Distribution data for Baltic Sea benthic invertebrate species . . . . . . . . . . . . . . . . . . . . . . . . . . 150 7.4 Checklist for Baltic Sea fish and lamprey species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 7.5 Checklist for Baltic Sea breeding bird species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200 7.6 Checklist for Baltic Sea marine mammal species . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 Annex 1. Authors and contributors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203 4 1. Introduction 1.1 Checklists Checklists are comprehensive lists covering all species of a certain group known to occur in a specific area. They are of great importance in providing an overall view of an area’s diversity, its species composition and its biological history. In the field of biology, checklists have a longstanding tradition stretching back to the early naturalists. The list functions as a living document; species being added or, in some cases, removed as time passes and new species are discovered or established species become extinct or are merged with other species. As science progresses there are also changes in taxonomy, especially following the major advances in genetic research. For some groups this means that over time the same species can have several, sometimes as many as twenty, synonyms in the literature. This information is also added to the checklists and enables researchers to track the occurrence of a species through historic literature. At times scientists and researchers work consecutively on the same checklist ensuring it is up to date both in terms of species composition and nomenclature. In this way they make sure that it can be used in the present although it has its roots a hundred years back. 1.2 HELCOM checklist of Baltic Sea species In 2009, the Helsinki Commission was tasked with creating a comprehensive Red List of Baltic Sea species. One of the first steps in compiling such a list was to establish which species are present in the Baltic Sea. To achieve this, expert teams were set up to prepare checklists for each of the following groups: macrophytes, benthic invertebrates, fish and lamprey species, waterbirds and marine mammals. To date most checklists have concentrated on a particular group of species. For example, checklists have been compiled for species within a certain family or order, or for species that are found in a particular region (e.g. within certain national borders). The HELCOM checklist of the Baltic Sea species goes further in that it aims to cover all macro-species simultaneously and the Baltic Sea in its entirety. In this sense the HELCOM checklist is unique. The HELCOM checklist compiles information on the taxonomic group, the scientific name and author, synonyms, a minimum of one valid taxon code in taxonomic databases or other taxonomic reference, distribution data and a minimum of one reference confirming the occurrence (historic and/or present) of the species in the Baltic Sea. If a species is included in the HELCOM checklist, it does not automatically mean it was present in the Baltic Sea at the time the checklist was published. Some observations are historical and the only way to confirm the presence of a species is to undertake new inventories in the area previous occurrence 1.3 Work on the checklists In the HELCOM checklist, the Baltic Sea species have been divided into five groups: Macrophytes, Benthic invertebrates, Fish and lamprey species, Baltic breeding birds, and Marine mammals. Each group was assigned its own team of experts. The teams were comprised of experts from countries all around the Baltic Sea and they worked to collect data from the whole Baltic Sea area. This document combines the checklists that were compiled by the experts and functions as the HELCOM checklist of Baltic Sea species. The experts in each team are listed at the start of the corresponding chapters. Although other checklists have also focused on the Baltic Sea and its species (e.g. Nielsen et al. 1995), these lists have all been regional and/or focused on a specific group of species. The existing checklists, as well as literature studies, databases, personal communications and data provided by the various Baltic States, have all been used to draw up the five checklists reported here. For transparency, each observation included in the present checklists has been allocated a reference code and the corresponding reference can be found in either the relevant documentation section (see Chapters 2 to 6) or by contacting the experts listed in Annex 1. Because the starting point for each checklist is slightly different, some aspects of the checklists 5 may differ but the general information is the same in all checklists. It is important to remember that the Baltic Sea is not a uniform body of water providing the same living environment but rather a combination of several different types of habitats. As a result, and for the purposes of this study, the Baltic Sea was divided into sub-basins on the basis of seabed shape. For each sub-basin, abiotic factors such as depth and water exchange differ and create subbasin specific environments based on chemical and physical properties. To make the checklist more exact, the distribution data are presented by sub-basin (Figure 1). For each sub-basin, the reference for the observation in that area is available through the experts named Bothnian Bay The Quark Finland Sweden Archipelago Sea Åland Sea Northern Baltic Proper Western Gotland Basin Little Belt Great Belt Kattegat The Sound Estonia Latvia Gulf of Riga Eastern Gotland Basin Denmark Bornholm Basin Lithuania Russia Gulf of Gdańsk Poland 6 1.4 Using and updating the checklist and distribution data This report is the foundation document for the Checklist of Baltic Sea Macro-species and includes all background information. A separate digital checklist in the form of a spreadsheet will be kept up to date by a regular review at a minimum of every three years. This will make use of new data as they become available and will record changes in taxonomy and distribution. The digital checklist will contain a log of updates made to the checklist since the present document was published. The date on the downloaded file will indicate the date of the last update. Gulf of Finland Bothnian Sea Germany at the start of Chapters 2 to 6. The aim has also been to separate recent and older records. In some cases, amendments have been made to the information in the checklist. For example, more specific information can be found in some checklists (such as the nature of the species’ occurrence in a specific area; breeding, occasionally breeding etc.) or the extent of the area used to supply distribution data may differ (as is the case for birds). More information on such amendments is given in the relevant documentation section. Arkona Basin Bay of Mecklenburg Kiel Bay Figure 1. Baltic Sea sub-basins used as the basis for compiling distribution data for the five checklists. For people requiring the most recently updated version of the checklist or part of the checklist only, there are separate Excel versions available for download via the HELCOM website (www. helcom.fi). Suggestions, changes or additions to the checklist are warmly welcomed and all comments should be sent to the HELCOM Secretariat. These will be reviewed by the relevant experts before action is taken. This foundation document contains a printable version of the HELCOM checklist. The complete checklist (as of November 2011) can be found in Chapter 7, while Chapters 2 to 6 describe the documentation and data sources used by each team of experts in compiling the checklist. Reference data for the checklist are available by contacting the expert team representative for the country and group in question, the chair of the team, or the HELCOM Secretariat. 1.5 Summary of the checklist entries The HELCOM checklist contains 2730 species. The majority of the species, a total of 1898, belong to the benthic invertebrate group. Of the remaining 832 species, macrophytes, vascular plants and bryophytes make up a substantial proportion, followed by the fish and lamprey group. The bird checklist only includes birds breeding in the Baltic and so contains relatively few species. All Baltic marine mammals are included on the list of mammals, resulting in five species in total (Figure 2). Finland where the powerful salinity gradient and shallow waters provide a varied living environment with an influx of freshwater species and insect larvae from the Neva estuary. The geographical division of species per group can be found in the relevant documentation section. Number of species 201–300 301–400 401–600 601–800 801–1000 1001–1607 289 313 A clear trend in biodiversity is evident for all groups, with the number of species in an area decreasing along a south to north gradient (Figure 3). An exception occurs in the Gulf of 383 260 Fish and lamprey species, 239 9% 759 261 275 270 Mammals, 5 0% Macrophytes, 531 19% Birds, 57 2% Invertebrates, 1898 70% 246 294 1607 849 1044 764 818 603 441 292 707 Figure 2. Total number of Baltic Sea species per group. Number of species per sub-basin Percentage of species per sub-basin as a proportion of the total number of species Bothnian Bay The Quark Bothnian Sea Archipelago Sea Åland Sea Gulf of Finland Northern Baltic Proper Gulf of Riga Gulf of GdaĔsk Eastern Gotland Basin Western Gotland Basin Bornholm Basin Arkona Basin The Sound Bay of Mecklenburg Kiel Bay Little Belt Great Belt Kattegat Bothnian Bay The Quark Bothnian Sea Archipelago Sea Åland Sea Gulf of Finland Northern Baltic Proper Gulf of Riga Gulf of GdaĔsk Eastern Gotland Basin Western Gotland Basin Bornholm Basin Arkona Basin The Sound Bay of Mecklenburg Kiel Bay Little Belt Great Belt Kattegat 298 313 383 261 260 759 275 270 292 294 246 441 608 1044 707 818 764 849 0 500 1000 1607 1500 2000 Figure 3. Number and distribution of species per sub-basin. 10.9 11.5 14.0 9.6 9.5 27.8 10.1 9.9 10.7 10.8 9.0 16.1 22.1 38.2 25.9 29.9 28.0 31.1 0 10 20 30 40 50 58.8 60 7 Number of species / km2 0.004 0.004 0.006 0.007 0.009 0.011–0.014 0.024–0.025 0.037–0.050 0.059–0.069 0.073–0.109 0.152–0.242 0.260–0.458 The sub-basins all differ in size. When the total number of species per sub-basin is compared to the size of the sub-basin it is clear that the smaller sub-basins near the western border of the Baltic Sea have the highest number of species per unit area (Table 1). These are followed by the UNESCO world natural heritage site of The Quark and the Åland Sea, both much further north. When the species diversity of these areas is compared to that of adjacent areas there is an almost ten-fold increase in the border areas (Kattegatt/Great Belt/Arkona Basin or Bothnian Sea/The Quark/ Bothnian Bay). One of the common factors for these areas is that they function as narrow border zones between two larger bodies of water with quite different characteristics, such as salinity and average temperature. The actual number of species differs widely between these areas but the same effect is evident. 0.069 0.059 0.073 0.109 Other factors may also affect the mean species diversity per unit area. The amount of data collected in the various sub-basins affects the number of species found simply because the possibility of finding more species increases as more data are collected. Nevertheless, effect of the border zones is still apparent. 0.458 0.260 Figure 4. Diversity of macro-species per sub-basin. Table 1. Macro-species diversity per sub-basin in descending order. Sub-basin Total no. of species Species/km2 The Sound 2278 1044 0.458 Little Belt 2942 764 0.260 Kiel Bay 3382 818 0.242 Bay of Mecklenburg 4636 707 0.152 Great Belt 7765 849 0.109 22102 1607 0.073 The Quark 4509 313 0.069 Åland Sea 4433 260 0.059 Gulf of Gdańsk 5806 292 0.050 Arkona Basin 16502 603 0.037 Gulf of Finland 29901 759 0.025 Archipelago Sea 11077 261 0.024 Gulf of Riga 18796 270 0.014 Bornholm Basin 41970 441 0.011 Bothnian Bay 33224 298 0.009 Western Gotland Basin 27876 246 0.009 Northern Baltic Proper 41114 275 0.007 Bothnian Sea 63650 383 0.006 Eastern Gotland Basin 74985 294 0.004 Kattegat 8 km2 2. Checklist documentation and distribution data for Baltic Sea macrophyte species The checklist for Baltic Sea macrophyte species compiled within the HELCOM Red List project currently includes 531 taxa of macroalgae, aquatic vascular plants, charophytes and bryophytes. The list also contains 3052 of the most common synonyms, variations or subspecies. These data make it possible to establish the distribution of each species across the Baltic Sea. Figure 5 shows species diversity per sub-basin. 2.1 Expert Team Chair: Georg Martin (Estonia) Bothnian Bay Bothnian Sea + The Quark Archipelago Sea Åland Sea Gulf of Finland Northern Baltic Proper Gulf of Riga Gulf of GdaĔsk Eastern Gotland Basin Western Gotland Basin Bornholm Basin Arkona Basin The Sound Bay of Mecklenburg Kiel Bay Great Belt + Little Belt Kattegat 116 162 68 131 187 132 73 86 106 114 171 192 275 173 228 317 100 0 Paulina Brzeska (Poland), Martynas Bučas (Lithuania), Anna Doronina (Russia), Karin Fürhaupter (Germany), Marika Gerb (Russia), Elena Glazkova (Russia), Vadims Jermakovs (Latvia), Gustav Johansson (Sweden), Hans Kautsky (Sweden), Kirsi Kostamo (Finland), Nikolay Kovalchuk (Russia), Kaire Torn (Estonia). Number of species 51–100 101–150 151–200 201–250 251–300 301–401 200 300 401 400 500 116 162 2.2 Taxonomy 162 The taxonomy of the macrophyte species follows the World Register of Marine Species (WoRMS www.marinespecies.org, last edit: 2 February 2011). The taxonomy of species not included in WoRMS (72 mainly freshwater vascular plant species) follows national or international databases in the following order: German FloraWeb (www. floraweb.de) > Integrated Taxonomic Information System (ITIS; www.itis.gov) > World Checklist of Selected Plant Families (WCSP, 2011 http://apps. kew.org/wcsp). Taxonomically the checklist contains nearly exclusively species. Only in four exceptional cases is the genus listed (Batrachospermum, Gymnogongrus, Spirogyra, Zygnema). Although records for subspecies or variations exist for several countries, these are compiled under the respective species level, with the subspecies/ variation listed within the ‘synonym’ category. 187 131 68 132 73 114 401 106 275 317 192 317 171 86 173 228 Figure 5. Number of macrophyte species per Baltic Sea sub-basin. 9 2.3 Defining parameters 2.4 Distribution The aim has been to compile a checklist valid for the Baltic Sea area as defined by HELCOM (see Figure 1). Species included in the macrophyte checklist were required to fulfil the following criteria: 1. All species should be listed in at least one of the international databases given in Section 2.2 to verify the taxonomic reference. 2. All species should form stable populations in brackish waters with a minimum salinity of at least 0.5 (identification of ‘borderline’ cases with freshwater and/or land environments). 3. Records for all species must be geographically located within the Baltic Sea itself and not just in nearby ponds, rocky pools or rivers. 4. Species identification must be reliable. Therefore, species with a very low number of records will be checked by macrophyte experts and doubtful identifications will be excluded. The checklist includes presence/absence data for the Baltic Sea sub-basins. The sub-basins used in the HELCOM Red List project are shown in Figure 1. The total number of species per sub-basin is shown in Figure 3. For the macrophyte checklist a few modifications were necessary: • Great Belt and Little Belt were combined • Bothnian Sea and the Quark were combined • All records from the island of Bornholm were included in the Bornholm Basin • All records from the island of Gotland were included in the Western Gotland Basin. Bothnian Bay 10 The Quark Bothnian Sea Gulf of Finland 9 Archipelago Sea Åland Sea Northern Baltic Proper Western Gotland Basin Little Belt Great Belt Kattegat The Sound Bornholm Basin 6 4a Gulf of Riga Eastern Gotland Basin 7 8a 8b 5c 4b 5b 5a 1a 1c 1b Gulf of Gdańsk 1e 2a 2d 1d 2c 2b 3a 3b Arkona Basin Bay of Mecklenburg Kiel Bay Figure 6. Baltic Sea sub-basins used for the HELCOM checklist (left) and the geographical areas used by Nielsen et al. (1995); the publication used as the basis for data compilation (right). 10 2.5 Data sources 10 The data sources include five databases, three publications with transnational information, and many national publication sources (published, unpublished reports and/or personal communications). For macroalgae, the distribution index by Nielsen et al. (1995) formed the basis of the HELCOM checklist as it includes all distribution information for macroalgae within the Baltic Sea before 1995. However, there were some differences between the sub-regions used by Nielsen et al. (1995) and those used in the HELCOM Red List project. Records from the Nielsen et al. (1995) database were transferred into the HELCOM database according to the description given in Table 2 and Figure 7. 2.6 Checklist The checklist for Baltic Sea macrophyte species is presented in Chapter 7, Table 7.1. This gives the higher taxonomic group, the valid scientific name (with authors and year), synonyms/variations or subspecies, taxon ID codes from several databases (Aphia-ID = WoRMS Code, TSN = ITIS Code) and distribution by sub-basin. 9 7 8a 8b 5c 6 5b 4a 5a 1a 1c 2d 1d 1b 2a 4b 1e 3c 2b 3a 3b Figure 7. Baltic Sea sub-basins used in the HELCOM Red List project (thin lines) and sub-region borders used by Nielsen et al. (1995). 11 Table 2. Adjustment of macroalgae distribution data reported by Nielsen et al. (1995) to the Baltic Sea sub-basins used in the HELCOM Red List project. Baltic Sea subbasins Countries responsible Nielsen et al. (1995) sub-region Kattegat Denmark*, Sweden 1a and 1c Sound Denmark*, Sweden 1d and 1e Great Belt + Little Belt Germany, Denmark* 1b Kiel Bay Germany, Denmark* 2a Sub-region 2a does not coincide with Kiel Bay exactly. The references of Nielsen et al. (1995) have been checked and records compared to the Kiel Herbarium and Kaminski records (confirmed records from Kiel Bay = N95 2a_KB). Records that have not been confirmed have been kept, but are marked in red (N95). Bay of Mecklenburg Germany 2b Sub-region 2b is much larger than the Bay of Mecklenburg. The references of Nielsen et al. (1995) have been checked and records compared to the Kiel Herbarium and Kaminski records (confirmed records from Kiel Bay = N95 2a_MB). Arkona Basin Germany, Denmark*, Sweden 1e and 2b Sub-region 2b is much larger than the Arkona Basin. The references of Nielsen et al. (1995) have been checked (confirmed records from Arkona Basin = N95 1e and N95 2b_AB). Bornholm Basin Germany, Denmark*, Poland, Sweden 2c, 2d and 3 Sub-region 3a extends further east compared to the Bornholm Basin, but the number of erroneous records generated by this difference is most likely to be low. All coastal waters of Bornholm were included in the Bornholm Basin. Gulf of Gdansk Poland, Russia 3b Eastern Gotland Basin Estonia, Lithuania, Latvia, Poland 5a Western Gotland Basin Sweden 4a and 4b Gulf of Riga Estonia, Latvia 5b Northern Baltic Proper Estonia, Sweden 5c and 6 Gulf of Finland Estonia, Finland, 7 Russia Archipelago Sea Finland Åland Sea Finland, Sweden 8b Bothnian Sea + Quark Finland, Sweden 9 Bothnian Bay Finland, Sweden 10 Comments Sub-region 1e extends further southeast compared to Sound, but the number of erroneous records generated by this difference is most likely to be low. All coastal waters of Gotland were included in the Western Gotland Basin. 8a Sub-region 10 extends further south compared to Bothnian Bay, but the number of erroneous records generated by this difference is most likely to be low. * Information compiled by project manager Tytti Kontula (HELCOM) and/or Karin Fürhaupter (Germany) as no Danish expert took part in the expert team. 12 3. Checklist documentation and distribution data for Baltic Sea benthic invertebrate species The checklist for Baltic Sea benthic invertebrate species compiled within the HELCOM Red List project currently includes 1898 macrozoobenthic species and their most common synonyms. This is the most diverse group in the HELCOM checklist and by far the largest. Figures 8 and 9 show species diversity per sub-basin, as well as 13 additional sections of coastline such as bays, lagoons and estuaries (see Figure 10 for the locations of the additional coastal sections). Figure 10 shows the distribution of species diversity per sub-basin. Figure 8. Number of benthic invertebrate species per Baltic Sea sub-basin, excluding species present in the additional coastal sections. Bothnian Bay The Quark Bothnian Sea Archipelago Sea Åland Sea Gulf of Finland Northern Baltic Proper Gulf of Riga Gulf of GdaĔsk Eastern Gotland Basin Western Gotland Basin Bornholm Basin Arkona Basin The Sound Bay of Mecklenburg Kiel Bay Little Belt Great Belt Kattegat Number of species 1–100 101–200 201–300 301–400 401–600 601–1028 132 95 147 122 70 132 96 482 79 122 113 105 63 164 147 79 300 79 622 439 491 338 397 0 122 53 1028 200 400 600 800 1000 1200 1028 333 491 248 105 622 397 Figure 9. Number of benthic invertebrate species per additional coastal section. Curonian Lagoon Darss-Zingst Lagoon Rugia Lagoon Greifswald Lagoon Szczecin Lagoon Vistula Lagoon Flensburg Fjord Schlei Estuary Eckernförde Bay Kiel Fjord Trave Estuary Wismar Bay Warnow Estuary 482 122 300 164 113 439 120 115 121 251 120 215 165 246 223 119 0 50 211 143 100 150 200 250 300 13 3.1 Expert team 3.4 Distribution Chair: Anna Karlsson (Sweden) The checklist includes presence/absence data for the Baltic Sea sub-basins. The total number of benthic invertebrate species in each sub-basin is given in Figure 8. The sub-basins used in the HELCOM Red List project are shown in Figure 1. The benthic invertebrate checklist includes these sub-basins, as well as 13 smaller areas (lagoons, estuaries, bays). These were added because the number of benthic invertebrate species in shallow coastal waters can be very high compared to open, deeper waters. In order to increase the quality of the information provided in the checklist such areas were identified and made into sub-sections to better show species distribution (see Figure 10). Piotr Gruszka (Poland), Kristjan Herkül, (Estonia), Ari Laine (Finland), Alexey Maximov (Russia), Kerstin Schiele (Germany), Michael Zettler (Germany). 3.2 Taxonomy The taxonomy of the benthic invertebrate species follows international taxonomic databases or other sources in the following order: the World Register of Marine Species (WoRMS www.marinespecies. org November 2010) > the Integrated Taxonomic Information System (ITIS; www.itis.gov) > BioLib (Biological Library; www.biolib.cz) > BioSystematic Database of World Diptera (BDWD; www.sel. barc.usda.gov/diptera/biosys.htm) > Fauna Europeae (www.faunaeur.org) > ZipcodeZoo (http:// zipcodezoo.com/) > other sources. Codes from BioLib, BDWD, Fauna Europeae etc. have only been acquired for those species that could not be found in the WoRMS or ITIS databases 3.3 Defining parameters Species included in the benthic invertebrate checklist were required to fulfil the following criteria: 1. All species should be listed in at least one of the international databases given in Section 3.2 to verify the taxonomic reference. 2. All species should form stable populations in brackish waters with a minimum salinity of at least 0.5 (identification of ‘borderline’ cases with freshwater and/or land environments). 3. Records for all species must be geographically located within the Baltic Sea itself and not just in nearby ponds, rocky pools or rivers. 4. Species identification must be reliable. Therefore species with a very low numbers of records will be checked by benthic invertebrate experts and doubtful identifications will be excluded. 14 3.5 Data sources The checklist by Zettler (2011) was used as a basis for the benthic invertebrates’ checklist. The data sources include 77 publications concerning Finnish waters and a range of databases. For example: • Database of the Leibniz Institute for Baltic Sea Research Warnemünde, IOW, Germany • Danish national database for marine data (MADS) • Benthic invertebrate database of the Finnish Environment Institute • Benthic invertebrate sampling data of Helsinki City, Finland • Database of the Estonian Marine Institute, University of Tartu • Benthic invertebrate data from the Swedish Oceanographic Data Centre • Benthic invertebrate data from the International Council for the Exploration of the Sea (ICES) • The Swedish Species Gateway • The Swedish Red List Database. Denmark Sweden Sweden Kattegat Latvia Western Gotland Basin Denmark Eastern Gotland Basin Lithuania Great Belt The Sound Denmark Denmark Little Belt Arkona Basin Curonian Lagoon Bornholm Basin Rugia Lagoons Russia Kiel Bay Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Bay of Mecklenburg Bornholm Basin Darss-Zingst Lagoon Greifswald Lagoon Warnow Estuary Wismar Bay Szczecin Trave Estuary Lagoon Germany Gulf of Gdańsk Vistula Lagoon Poland Poland Figure 10. Coastal sub-sections additional to the sub-basins used for the benthic invertebrate checklist. 3.6 Checklist The checklist for Baltic Sea benthic invertebrate species is presented in Chapter 7, Table 7.2 and Table 7.3. This table gives the higher taxonomic group, the valid scientific name (with authors and year), synonyms/ variations or subspecies, taxon ID codes from several databases (Aphia-ID = WoRMS Code, TSN = ITIS Code, BioLib = Biological Library, BioSystematic Database of World Diptera (BDWD), Fauna Europea, Zipcodezoo and other sources) and the distribution data by sub-basin. More specific information such as phylum group etc. can be found in the Excel table provided on the HELCOM website. 15 4. Checklist documentation and distribution data for Baltic Sea fish and lamprey species The checklist for Baltic Sea fish and lamprey species compiled within the HELCOM Red List project currently includes 239 species and their most common synonyms. Species diversity per Baltic Sea subbasin is shown in Figure 11. Bothnian Bay The Quark Bothnian Sea Archipelago Sea Aland Sea Gulf of Finland Northern Baltic Proper Gulf of Riga Gulf of Gdansk Eastern Gotland Basin Western Gotland Basin Bornholm Basin Arkona Basin The Sound Bay of Mecklenburg Kiel Bay Little Belt Great Belt Kattegat 48 54 71 68 56 87 61 72 90 81 103 108 144 92 96 112 133 175 50 Number of species 1–50 51–75 76–100 101–125 126–150 151–175 100 150 200 48 51 71 56 87 68 61 72 67 81 175 144 133 112 96 108 103 90 92 Figure 11. Number of fish and lamprey species per Baltic Sea sub-basin. 16 Chair: Ann-Britt Florin (Sweden) Janis Birzaks (Latvia), Dieter Boedeker (Germany), Uwe Böttcher (Germany), Henrik Carl (Denmark), Natalia Chernova (Russia) Christian von Dorrien (Germany), Ronald Fricke (Germany), Linas Lozys (Lithuania), Timo Moritz (Germany), Peter R. Møller (Denmark), Daniel Oesterwind (Germany), Christian Pusch (Germany), Krzysztof Skóra (Poland), Henrik Svedäng (Sweden), Mikael Svensson (Sweden), Lauri Urho (Finland), Francesca Vitale (Sweden). 4.2 Taxonomy 67 0 4.1 Expert team The expert group has followed the Taxonomy of the Catalogue of Fishes (Eschmeyer & Fricke, 2011) which has led to some changes in species names compared to the original list. Only consensual recognised species are included. Hence spring spawning herring Clupea harengus membras and marine smelt Osmerus eperlanomarinus have been removed and only herring Clupea harengus and smelt Osmerus eperlanus are included. For the same reason all Baltic coregonous, except Coregonus albula, are treated collectively as Coregonus mareana s.l. The vernacular names follow the recommendations of the Journal of Fish Biology using Wheeler (1992) and Wheeler et al. (2004). Some species are missing in the Wheeler (1992) and Wheeler et al. (2004) papers. In most cases it is suggested that those species are named accordingly to FishBase. The exceptions are: • Acipenser oxyrhinchus is called American Atlantic sturgeon since A. sturio is called Atlantic sturgeon • Huso huso is called Beluga sturgeon instead of Beluga following the general addition of sturgeon to the name in British English • Ballerus ballerus is called Blue bream instead of the less frequently used Zope • Pelecus cultratus is called Razor-fish instead of the more continental name Sichel • Salvelinus namaycush is called Lake charr to show affiliation with Salvelinus instead of Lake trout • Gasterosteus gymnurus lacks a name in FishBase and is called Western three-spined stickleback following iucnredlist.org • Triglopsis quadricornis is called four-horned sculpin instead of four-horn sculpin • Lycodes gracilis is called Checker eelpout instead of Vahl’s eelpout, a species from which it is recently split. Fourteen species have been removed from the checklist because they are only present outside the HELCOM area. 4.3 Defining parameters 4.6 Checklist All hagfish, lampreys and fish recorded within the HELCOM area (with a salinity of least 0.5) since 1800 have been included in the regional checklist. Generalised distribution maps have not been used. The checklist for Baltic Sea fish and lamprey species is presented in Chapter 7, Table 7.4. This table gives the higher taxonomic group, the valid scientific name (with authors and year), synonyms/ variations or subspecies, vernacular name, life history (marine, freshwater, anadromous, catadromous), whether it is introduced and distribution by sub-basin. 4.4 Distribution Thirteen species have been removed from the list as no verifiable records from the HELCOM area could be found for these species. A justification for every species is given in Table 3. The distribution of fish and lamprey species has been divided by Baltic Sea sub-basin and it is also noted whether the species occurs and shows regular reproduction, regular occurrence but no reproduction, temporary occurrence, and whether occurrence is unknown as opposed to the species not occurring in the area. The distribution in inner Danish waters is not complete owing to a lack of Danish expert resources. 4.5 Data sources The checklist established in 2007 in the HELCOM Red List of Threatened and Declining Species of Lampreys and Fishes in the Baltic Sea Project (HELCOM 2007) was used as the basis of the present checklist. Denmark and Sweden have made considerable efforts to update and revise their national checklists over the past five years, thereby adding a substantial amount of information about fish fauna in the Kattegat. In addition information from national experts, including national checklists, museum collection registers, and different fish monitory programmes, were used to modify the list. Around 50 species have been added to the checklist since HELCOM (2007). Some are introduced and some are due to the arrival of non-indigenous species, but most of the newly added species are due to greater knowledge about the Kattegat and belt Sea. 17 Tabel 3. Species removed from the HELCOM checklist of fish and lamprey species and the justification. 18 Taxon (Catalog of Fishes) Vernacular name (FishBase) Justification Hexanchus griseus Bluntnose sixgill shark According to HELCOM 2007 also found in Kattegat but according to Swedish records it was found only once in Sweden in Skagerrak, off Måseskär 10 September 1998 and there are no data from Denmark at this point. Cottus koshewnikowi Spiny bullhead Only found in freshwater (T. Kontula pers comm.) Raja montagui Spotted ray According to HELCOM 2007 east of Kattegat (Stehmann & Bürkel in Whitehead et al. 1984) but no records of the species in Denmark and caught only once in Sweden in Skagerrak and in Whietehead et al 1984 it is unclear from the map if is in Skagerrak or Kattegat although text says Baltic Sea. Ciliata septentrionalis Northern rockling According to HELCOM 2007 also in Kattegat but only observed three times in Swedish part of Skagerrak and not caught in Danish waters at all. Lophius budegassa Black-bellied angler No Swedish records and never caught in Danish saltwater. Micrenophrys lilljeborgii Norway bullhead According to HELCOM 2007 also in Kattegat and Öresund (Nielsen & Møller 2004) but not present in the updated national checklist and in Sweden latest documented 1923 in Gullmaren & Kosterfjord (Skagerrak) Pterycombus brama Atlantic fanfish According to HELCOM 2007 also in Kattegat but according to Swedish records only in Skagerark and never for certain caught in Danish saltwater. Taractes asper Rough pomfret According to HELCOM 2007 also found in Kattegat but in Danish and Swedish records no findings have been reported and according to the map in Whiethead et al. 1986 species only occurs in Skagerrak and not in Kattegat or Baltic Sea. Taractichthys longipinnis Big-scale pomfret No Swedish record; Never caught in Danish saltwater Coregonus pallasii Pallas’s houting Treated collectively as Coregonus mareana s.l. Coregonus balticus Baltic houting Treated collectively as Coregonus mareana s.l. Romanogobio albipinnatus Whitefinned gudgeon No known occurrences in the HELCOM area, NE in Helcom 2007 Gymnammodytes semisquamatus Smooth sand-eel According to HELCOM 2007 in Denmark based on Whitehead et al., 1986 but according to Danish records never caught with certainty in Danish saltwater and no records in Sweden. In Whitehead et al 1986 it says whole North Sea coast but not in the Baltic, the map shows both Kattegat & Belt Sea but questionable how accurate the map is. Buenia jeffreysi Jeffrey’s goby According to HELCOM 2007 occurs also in Kattegat but the species have never registered in Danish waters and in Sweden only caught for sure once in Kosterrännan 1927 in Skagerrak. Acipenser sturio Sturgeon Included in oxyrhincus since the sturgeon occurring in the Baltic after 1800 most probably was not sturio (Gessner & Ritterhoff 2004, Bfn-skripten 101) Clupea harengus membras Spring spawning herring Merged with with Clupea haerengus Osmerus eperlanomarinus Marine smelt Merged with Osmerus eperlanus 5. Checklist documentation and distribution data for Baltic Sea breeding bird species The waterbird expert team focussed first on birds breeding in Baltic Sea marine or coastal areas. This resulted in 56 species being included in the checklist for Baltic breeding birds. For one species – the lesser black-backed gull – there are two subspecies in the Baltic Sea area (Larus fuscus fuscus and L. f. intermedius), which have been recorded separately. Thus, 57 taxa occur on the checklist. The number of species found breeding in each area can be found in Figure 12. 42 Denmark Germany / SchleswigHolstein Germany / MecklenburgWestern Pomerania Poland 31 35 32 33 Lithuania Latvia 36 46 Estonia Russia / Kaliningrad Russia / St. Petersburg Finland Sweden 30 45 50 52 0 10 20 30 40 50 60 Figure 12. Number of Baltic Sea breeding bird species per Baltic Sea sub-basin. 5.1 Expert team Chair: Christof Herrmann (Germany) Vladimir Fedorov (Russia), Martti Hario (Finland), Jan Kieckbusch (Germany), Markku Mikkola-Roos (Finland), Lidia Sternik (Poland), Antra Stipniece (Latvia), Ole Thorup (Denmark), Martin Tjernberg (Sweden). 5.2 Taxonomy The bird taxonomy follows the World Register of Marine Species (WoRMS, www.marinespecies.org November 2011). 5.3 Defining parameters The checklist includes all species breeding in the Baltic Sea area (Figure 12) with a distinct relationship to the marine or coastal environment. Species included in the checklist were required to fulfil the following criteria: a) ‘True’ marine or coastal bird species, i.e. species which breed exclusively at the coast or only exceptionally inland (e.g. sandwich tern Sterna sandvicensis, turnstone Arenaria interpres, eider Somateria mollissima). b) Species which breed mainly at the coast, or reach higher densities, or form larger colonies at the coast compared to inland (e.g., cormorant Phalacrocorax carbo sinensis, white-tailed eagle Haliaeetus albicilla). c) Species which are characteristic inhabitants of typical coastal habitats such as coastal bays, salt meadows, dunes, skerries (e.g., lapwing Vanellus vanellus, meadow pipit Anthus pratensis, northern shoveler Anas clypeata, osprey Pandion haliaetus). Species for which ‘b’ or ‘c’ is true only for some Baltic regions, are included in the checklist. Different subspecies are treated separately. This applies to the two subspecies of the lesser blackbacked gull breeding in the Baltic Sea area (Larus fuscus fuscus and L. f. intermedius), but also to the dunlin (Calidris alpina alpina and C. a. schinzii) and ringed plover (Charadrius hiaticula hiaticula and Ch. h. tundrae). In the latter cases, only the subspecies Calidris alpina schinzii and Charadrius hiaticula hiaticula, respectively, have been included, since the other two subspecies do not breed on the Baltic Sea coast. 5.4 Distribution The reference area for the Baltic Sea breeding bird checklist is the entire territory of the Baltic Sea riparian states (Figure 13). However, for Denmark and Germany / Schleswig-Holstein the coastal zone of the North Sea has been excluded. In the case of Germany, only the Baltic Federal states SchleswigHolstein and Mecklenburg-Western Pomerania have been considered, and for Russia only the St Petersburg and Kaliningrad regions. 19 5.5 Data sources Once criteria for the selection of bird species had been agreed, a preliminary checklist was drawn up by a small group of experts at the HELCOM Red List kick-off meeting in Bonn, October 2009. The preliminary checklist was then circulated among expert team members and revised in accordance with their comments. 5.6 Checklist The checklist for Baltic Sea breeding bird species is presented in Chapter 7, Table 7.5. This gives the higher taxonomic group, the valid scientific name (with authors and year), synonyms/ variations or subspecies and distribution data by area. Figure 13. The reference area for the Baltic Sea breeding bird checklist. The border towards the North Sea is represented by the border of the Helsinki Convention area, that is, between the Kattegat and Skagerrak. The reasons for not including the entire national (or, in case of Germany and Russia, regional) territories in the checklist are as follows: • Population monitoring data are usually available on a national or regional level; in most cases it is difficult or even impossible to separate ‘coastal’ from ‘inland’ numbers of breeding birds. • Coastal and inland breeders usually form a single population, that is, there is no (genetic) separation. • A distinction between ‘coastal’ and ‘inland’ breeders for most species would not change the results of the assessment (despite the fact that population trends may differ between coastal and inland areas). 20 6. Checklist documentation and distribution data for Baltic Sea marine mammal species The number of marine mammal species in the Baltic Sea is low. In total the checklist contains five species: three seals (Halichoerus grypus, Phoca vitulina vitulina and Pusa hispida), one dolphin (Phocoena phocoena) and the otter (Lutra lutra). The number of species found in each sub-basin and their distribution can be found in Figure 14 6.1 Expert team Chair: Olle Karlsson (Sweden) Johanna Arrendal (Sweden), Anders Galatius (Denmark), Tero Härkönen (Sweden), Ivar Jüssi (Estonia). Bothnian Bay The Quark Bothnian Sea Archipelago Sea Åland Sea Archipelago Sea Gulf of Finland Gulf of Riga Gulf of Gdansk Northern Baltic Proper Western Gotland Basin Eastern Gotland Basin Bornholm Basin Arkona Basin The Sound Bay of Mecklenburg Kiel Bay Little Belt Great Belt Kattegat 3 3 3 3 3 3 3 2 2 3 3 3 3 3 2 2 3 0 6.2 Taxonomy The taxonomy for marine mammal species follows the World Register of Marine Species (WoRMS www.marinespecies.org). 2 2 1 2 3 Number of species 2 3 2 6.3 Defining parameters 2 The distribution data are presented by sub-basin and the aim was to include species that occur regularly in these areas. Marine mammal species that occasionally enter the Baltic Sea are not included. 3 3 The intention has been to include all aquatic or semi-aquatic species that occur regularly in the Baltic Sea marine or coastal areas. 3 3 3 3 6.4 Distribution 2 3 3 The checklist includes presence/absence data for the Baltic Sea sub-basins. Marine mammals are highly mobile but their presence is limited to areas where a species is sighted on a regular basis. 2 3 2 3 3 2 3 3 Figure 14. Number of marine mammal species per Baltic Sea sub-basin. 21 22 6.5 Data sources 6.6 Checklist The data used to compile the marine mammal checklist come from national monitoring programmes and have been discussed within the HELCOM Seal Expert Group. Data were also collected in collaboration with experts from outside the Seal group. The checklist for Baltic Sea marine mammal species is presented in Chapter 7, Table 7.6. This gives the higher taxonomic group, the valid scientific name (with authors and year), synonyms/ variations or subspecies, taxon ID codes (Aphia-ID = WoRMS Code), vernacular name and distribution data by sub-basin. References for Chapter 1 to 6 Carl, H., J.G. Nielsen and P.R. Møller, 2004. En kommenteret og revideret oversigt over danske fi sk. Flora og Fauna 110(2): 29-39. Eschmeyer, W. N. and R. Fricke (eds.) 2011. Catalog of Fishes electronic version (5 January 2011). http:// research.calacademy.org/research/ichthyology/ catalog/fi shcatmain.asp Gessner, J. and J. Ritterhof (eds.), 2004. Species differentiation and population identification in the sturgeons Acipenser sturio L. and Acipenser oxyrhinchus. BfN-Skripten, 101. HELCOM, 2007. HELCOM Red list of threatened and declining species of lampreys and fish of the Baltic Sea. Baltic Sea Environmental Proceedings, No. 109, 40 pp. WCSP, 2011. World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. http://apps.kew.org/wcsp/ Retrieved 02 February 2011. Whitehead, P.J.P., M-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.), 1984-1986. Fishes of the North-eastern Atlantic and the Mediterranean. UNESCO. Zettler, M.L., 2011. Überarbeitung der BLMPMakro zoobenthos-Taxaliste für die Nordund Ostsee. Unpublished report in order of the Landesamt für Umwelt, Naturschutz und Geologie MecklenburgVorpommern: 19 pp+Datenanhang. Nielsen, R., A. Kristiansen and L. Mathiesen, 1995. Distributional index of the benthic macroalgae of the Baltic Sea area. Acta botanica Fennica vol. 155. Finnish Zoological and Botanical Publ. Board, Helsinki. 23 7. Checklist 7.1 Checklist for Baltic Sea macrophyte species HELCOM Checklist for Baltic Sea Macrophyte Species 1 Phaeophyta Acinetospora crinita Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q (Carmichael) Kornmann Acinetospora pusilla 1953 X 145398 10690 Ectocarpus pusillus Ectocarpus crinitus Acinetospora vidovichii Haplospora vidovichii Acinetospora pusilla var. crinita Ectocarpus vidovichii 2 Chlorophyta Acrochaete cladophorae 3 Chlorophyta Acrochaete flustrae X X X X X X X (Hornby) R.Nielsen, 1995 X X (Reinke) O’Kelly 2006 145994 Epicladia flustrae 377105 Endoderma flustrae Entocladia flustrae Entoderma flustrae 4 Chlorophyta Acrochaete heteroclada X X 5 Chlorophyta Acrochaete inflata X 6 Chlorophyta Acrochaete leptochaete X X 7 Chlorophyta Acrochaete operculata X X 8 Chlorophyta Acrochaete repens X X X X X X J.A.Correa & R.Nielsen 145996 (Ercegovic) Gallardo et al Linnaeus 145997 (Huber) R. Nielsen J.A.Correa & R.Nielsen X X X X X X X X X X Acrochaete viridis X X X X X X X X X X X X (Reinke) R. Nielsen, 1979 145998 145999 Pringsheim, 1863 X 9 Chlorophyta Phaeophila leptochaete 46001 Acrochaete parasitica Oltmanns 157126 Entocladia viridis 146002 Endoderma viride 10 Chlorophyta Acrochaete wittrockii X X X X X X X X X (Wille) R. Nielsen 1983 Phaeophila wittrockii 146003 X X Ectochaete wittrockii 11 Rhodophyta Acrochaetium attenuatum (Rosenvinge) G. Hamel 1927 X X Audouinella attenuata 371040 Chantransia attenuata Colaconema attenuatum X Rhodochorton attenuatum 12 Rhodophyta Acrochaetium balticum X X X X X X (Rosenvinge) Aleem & Schulz 1952 Chantransia baltica 146323 Chromastrum balticum Kylinia baltica Audouinella baltica 13 Rhodophyta Acrochaetium catenulatum X M.Howe, 1914 Acrochaetium densum 144334 Audouinella densa Chantransia catenulata Chromastrum densum Kylinia catenulata Rhodochorton catenulatum Rhodochorton densum 14 Rhodophyta 24 Acrochaetium cytophagum X X X (Rosenvinge) G. Hamel 1927 Audouinella cytophaga 144342 6597 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Chantransia cystophaga Chantransia cytophaga Chromastrum cystophagum Kylinia cytopaga 15 Rhodophyta Acrochaetium dumontiae X (Rosenvinge) G. Hamel 1927 X Audouinella dumontiae 144346 Chantransia dumontiae Chromastrum dumontiae Kylinia dumontiae 16 Rhodophyta Acrochaetium emergens X (Rosenvinge) Webervan Bosse 17 Rhodophyta Acrochaetium endozoicum X (Darbishire) Batters 144348 Audouinella endozoica 144350 11638 Rhodochorton endozoicum 18 Rhodophyta Acrochaetium gynandrum (Rosenvinge) G. Hamel 1927 X X X X X Audouinella gynandra 144353 Chantransia gynandra X Colaconema gynandrum X Kylinia gynandra Rhodochorton gynandrum 19 Rhodophyta Acrochaetium hallandicum X X X X X X X (Kylin) G.Hamel, 1927 144354 Audouinella polyblasta Audouinella hallandica Kylinia hallandica Chantransia hallandica Chantransia polyblasta X Chromastrum hallandicum X Chromastrum polyblastum Colaconema hallandicum (Kylin) AfonsoCarillo, Sanson, Sangil & Diaz-Villa 2007 Rhodochorton hallandicum Chantransia hallandica var. brevior Audouinella dufourii Kylinia polyblasta Audouinella sargassi Chantransia sargassi Kylinia sargassi Acrochaetium polyblastum Acrochaetium sargassi Acrochaetium dufourii 20 Rhodophyta 21 Rhodophyta Acrochaetium humile Acrochaetium immersum X X X X X X (Rosenvinge) Børgesen, 1915 Audouinella humilis 144356 Chromastrum humile (Rosenvinge) G. Hamel 1927 Audouinella immersa 144357 Chantransia immersa f. rhodomelae Kylinia immersa 22 Rhodophyta Acrochaetium kylini 23 Rhodophyta Acrochaetium leptonema X X X X G. Hamel 1927 X (Rosenvinge) Borgesen 1915 X X 373832 Audouinella leptonema 144362 11611 Chantransia leptonema 24 Rhodophyta Acrochaetium macula X X X (Rosenvinge) G. Hamel 1927 Audouinella macula 144365 25 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga X N O P Q Chantransia macula Chromastrum macula Colaconema maculum Kylinia macula Rhodochorton macula 25 Rhodophyta Acrochaetium microscopicum X X X (Nägeli ex Kützing) Nägeli 1858 X Acrochaetium compactum 144368 11616 Acrochaetium crassipes Acrochaetium hirsutum Acrochaetium trifilum Audouinella crassipes Audouinella microscopica Audouinella trifila Callithamnion microscopicum Chantransia crassipes Chantransia microscopica Chantransia trifila Chromastrum hirsutum Chromastrum microscopicum Kylinia crassipes Kylinia hirsuta Kylinia microscopica Rhodochorton hirsutum 26 Rhodophyta Acrochaetium minimum X F.S. Collins 1908 Audouinella minima 373853 Chantransia emergens X X X Colaconema emergens Audouinella emergens Colaconema minimum 27 Rhodophyta Acrochaetium moniliforme X X X X X X X (Rosenvinge) Borgesen 1915 Audouinella moniliformis 144372 Acrochaetium mahumetanum Chantransia moniliformis Chromastrum moniliforme X X Kylinia moniliformis Rhodochorton moniliforme 28 Rhodophyta (De Notaris ex Linnaeus Dufour) Bornet Acrochaetium nemalii Callithamnion nemalii 144374 Audouinella nemalii X X X X X Colaconema nemalii Chantransia nemalii Chantransia thureti var. amphicarpa 29 Rhodophyta Acrochaetium parvulum X X X X (Kylin) Hoyt 1920 Chantransia parvula 144377 Chantransia hallandica var. parvula Audouinella parvula X Kylinia parvula Chromastrum parvulum Rhodochorton parvulum 30 Rhodophyta Acrochaetium reductum X X X X (Rosenvinge) G. Hamel 1927 Acrochaetium kylinoides Audouinella reducta Chantransia reducta 26 144381 11642 Floraweb Great Belt + Little Belt X L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Chromastrum reductum Chromastrum kylinoides X Kylinia kylinoides X (Rosenvinge) G.Hamel, 1927 32 Rhodophyta Acrochaetium rosulatum X (Rosenvinge) Papenfuss 1945 33 Rhodophyta Acrochaetium savianum X 31 Rhodophyta Acrochaetium rhipidandrum X X X 144382 Kylinia rosulata 371038 Audouinella rosulata X (Meneghini) Nägeli 1862 X Acrochaetium intermedium 144386 11613 144387 11644 Acrochaetium thuretii Acrochaetium zosterae Audouinella dasyae Audouinella saviana Audouinella thuretii Acrochaetium bornetii Callithamnion savianum Chantransia dasyae Chantransia efflorescens var. thuretii Chantransia saviana Chantransia thuretii var. agama X X X Colaconema savianum Colaconema thuretii Rhodochorton thuretii 34 Rhodophyta Acrochaetium secundatum X X X X X X (Lyngbye) Nägeli in Nägeli & Cramer 1862 Ceramium secundatum Audouinella secundata X Kylinia secundata Callithamnion daviesii var. secundatum Callithamnion virgatulum X Chantransia secundata Chantransia virgatula f. secundata Chromastrum secundatum Colaconema secundatum X X Chantransia virgatula Chantransia virgatula subsp. secundata Callithamnion byssaceum Callithamnion secundatum Trentepohlia secundata Acrochaetium virgatulum f. secundatum Audouinella tenuissima Colaconema tenuissimum Rhodochorton tenuissimum 35 Rhodophyta Acrochaetium stilophorae X (Levring) Kylin 1944 Audouinella stilophorae 144390 Chantransia stilophorae Chromastrum stilophorae Kylinia stilophorae 36 Rhodophyta Acrochaetium virgatulum (Harvey) Batters, 1902 Audouinella rhipidandra Audouinella virgatula 144397 27 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Callithamnion luxurians Chromastrum rhipidandrum X Chromastrum virgatulum X Kylinia rhipidandra Kylinia virgatula Rhodochorton rhipidandrum Rhodochorton virgatulum 37 Chlorophyta Acrosiphonia arcta X X X X X X X X X X X X X X X X X X X X X (Dillwyn) Gain 1912 X Cladophora radians 144407 6725 Acrosiphonia centralis X Cladophora arcta Conferva arcta X X X Cladophora lanosa Conferva centralis X X X Spongomorpha centralis X Cladophora rhizophora 38 Chlorophyta Acrosiphonia sonderi (Kützing) Kornmann 1962 X Spongomorpha sonderi 144412 Cladophora sonderi 39 Phaeophyta Acrothrix gracilis X X Kylin 1907 Acrothrix norvegica 144908 Acrothrix novaeangliae 40 Chlorophyta X Aegagropila linnaei X X X X X X X X X X X X Kützing, 1843 Cladophora holsatica Cladophora aegagropila Cladophora profunda Conferva brownii Cladophora brownii Chantransia aegagrophila Aegagropila bulnheimii Cladophora bulnheimii Ceramium aegagropilum Chloronitum aegagropila Aegagropila brownii Cladophora aegagropila var. brownii Conferva aegagropila var. adnata Conferva coactilis Aegagropila sauteri Cladophora aegagropila var. sauteri Cladophora aegagropila var. linnaei Aegagropila froelichiana Aegagropila holsatica Cladophora aegagropila var. holsatica Conferva pusilla Aegagropila martensii Cladophora aegagropila var. martensii Aegagropila muscoides Cladophora aegagropila var. muscoides Cladophora aegagropila var. bulnheimii 28 Cladophora aegagropila var. daldinii 145032 11008 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Conferva sauteri f. suecica Aegagropila muscoides var. armeniaca Cladophora armeniaca Aegagropila armeniaca Aegagropila profunda Aegagropila canescens Cladophora profunda var. nordstedtiana Cladophora sauteri var. borgeana Aegagropila sauteri var. borgeana Aegagropila lagerheimii Aegagropila sauteri f. profunda Cladophora yuennanensis Oscillatoria aegagropila Cladophora sauteri Conferva aegagropila 41 Rhodophyta Aglaothamnion bipinnatum Feldmann-Mazoyer 1941 X X 42 Rhodophyta Aglaothamnion hookeri X X X X X X (P.Linnaeus Crouan & H.M. Crouan) Callithamnion bipinnatum 144489 (Dillwyn) Maggs & Hommersand 1993 Conferva hookeri 144496 12965 144499 12957 144501 12961 Aglaothamnion brodiei Aglaothamnion polyspermum Aglaothamnion polyspermum var. scopulorum Aglaothamnion scopulorum X Callithamnion brodiei Callithamnion grevillei X X Callithamnion hookeri Callithamnion hookeri f. areschoughi Callithamnion hookeri f. elongatum Callithamnion polyspermum Callithamnion pyramidatum Callithamnion roseum var. tenue Callithamnion scopulorum Callithamnion spinosum Ceramium scopulorum 43 Rhodophyta Aglaothamnion roseum X X X X X X X X X X X X X X X X X (Roth) Maggs & L’Hardy-Halos 1993 X Ceramium roseum Callithamnion roseum Conferva rosea 44 Rhodophyta Aglaothamnion tenuissimum X X X X X X X X X (Bonnemaison) Feldmann-Mazoyer 1941 X Aglaothamnion furcellariae Callithamnion byssoides X Callithamnion tenuissimum X X X X X X X X Ceramium tenuissimum X X X X X Aglaothamnion byssoides Callithamnion furcellariae 29 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Callithamnion arnottii Callithamnion arachnoideum Callithamnion hiemale 45 Rhodophyta Ahnfeltia plicata X X X X X X X X X X X X X X (Hudson) Fries 1836 Porphyrodiscus simulans 144422 12043 Fucus plicatus Gigartina plicata X X Gymnogongrus plicatus Sterrocolax decipiens Gymnogongrus comosus Sphaerococcus plicatus Ahnfeltia plicata f. tenuis Sphaerococcus plicatus var. tenuis Ahnfeltia plicata f. tenuior Gigartina plicata var. tenuior Sphaerococcus plicatus var. simplicior Fucus plicatus var. simplicior Fucus albus Ahnfeltia plicata f. pumila Gigartina plicata var. simplicior Gigartina confervoides var. plicata Sphaerococcus plicatus var. elongatus (Linnaeus) Greville, 1830 46 Phaeophyta Alaria esculenta Angiosper47 mophyta Alisma gramineum X Alisma plantagoaquatica X X X Angiosper49 mophyta Alisma wahlenbergii X X X 50 Rhodophyta Antithamnion cruciatum 48 Angiospermophyta X X X 145716 Lej. Linnaeus s. str. (E.Holmb.) Juz. (C. Agardh) Nägeli 1847 X 38896 Callithamnion cruciatum 144509 12885 Antithamnion cruciatum var. profundum Antithamnion cruciatum var. pumilum Antithamnion cruciatum var. tenerum Callithamnion pumilum Callithamnion imbricatum Callithamnion cruciatum var. pumilum Callithamnion cruciatum var. majus Callithamnion cruciatum f. radicans 51 Rhodophyta Antithamnion villosum (Kützing) Athanasiadis in Maggs & Homersand 1993 X Antithamnion cruciatum var. scandinavicum 144517 Callithamnion cruciatum var. villosum 52 Rhodophyta Antithamnionella floccosa 53 Chlorophyta Aphanochaete repens (O.F.Müller) Whittick, 1980 X X X X X A. Braun 1849 144520 Aphanochaete confervicola Herposteiron repens 30 Gonatoblaste rostrata 145920 6702 276 HELCOM Checklist for Baltic Sea Macrophyte Species 54 Rhodophyta Apoglossum ruscifolium Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q (Turner) J. Agardh 1898 Fucus ruscifolius 144737 13226 145306 11312 145541 11331 145311 11042 Floraweb Great Belt + Little Belt X L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Delesseria ruscifolia 55 Phaeophyta Arthrocladia villosa X (Hudson) Duby 1830 Conferva villosa Chordaria villosa Sporochnus villosus 56 Phaeophyta Ascophyllum nodosum X X X X (Linnaeus) Le Jolis 1863 Ascophyllum nodosum var. mackayi Ascophyllum nodosum f. scorpioides Ascophyllum laevigatum Ascophyllum mackayi Ascophyllum nodosum f. mackayi Fucus mackayi Fucus nodosus Ozothallia vulgaris Ascophyllum nodosum var. lusitanicum Ascophyllum nodosum var. minor Ascophyllum nodosum var. siliquatus X Ascophyllum nodosum var. scorpioides X Ascophyllum mackayi f. robertsonii Fucodium nodosum Halicoccus nodosus Ozothallia nodosa Ascophyllum nodosum f. denudatum Fucus nodosus var. denudatus Halicoccus nodosus var. furcatus Ozothallia nodosa f. furcata Fucus nodosus var. evesiculosus Fucodium nodosum var. scorpioides Chordaria scorpioides Halidrys siliquosa var. minor Fucus nodosus var. siliquatus Ascophyllum robertsonii Ascophyllum nodosum var. furcatum Fistularia nodosa Fistularia mackayi Ascophyllum mackayi var. robertsonii 57 Phaeophyta Asperococcus bullosus X J.V. Lamouroux 1813 Asperococcus turneri Asperococcus turneri var. profundus Encoelium bullosum Gastridium opuntium Ulva turneri 58 Phaeophyta Asperococcus ensiformis X (Delle Chiaje) M.J. Wynne 2003 Asperococcus compressus 376395 Haloglossum compressum Haloglossum griffithsianum 31 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga X X N O P Q Floraweb Great Belt + Little Belt X L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Laminaria ensiformis 59 Phaeophyta Asperococcus fistulosus X (Hudson) W.J. Hooker 1833 X X X X Asperococcus echinatus 145313 Chilionema reptans Phycocelis crouaniorum Ulva fistulosa Conferva echinata X Hecatonema reptans X Ectocarpus reptans Asperococcus rugosus Asperococcus echinatus f. villosa X Ectocarpus repens X Ascocyclus reptans Phycocelis reptans Hecatonema fucicola Scytosiphon fistulosus Chordaria filum var. fistulosa Scytosiphon filum var. fistulosus Asperococcus fistulosus f. villosus Encoelium echinatum Hecatonema kjellmani 60 Rhodophyta Atractophora hypnoides 61 Rhodophyta Bangiadulcis atropurpurea P.Linnaeus Crouan & H.M. Crouan, 1848 X (Roth) W.A. Nelson 2007 X X X X X X X X X X X X X X X 145767 Bangia atropurpurea 475213 Conferva atropurpurea 144423 11537 Bangia fuscopurpurea var. atropurpurea Bangia fuscopurpurea var. crispa Bangia fuscopurpurea var. lejolisii Bangia fuscopurpurea var. pumila Bangiella atropurpurea Oscillatoria atropurpurea 62 Rhodophyta Batrachospermum atrum 63 Rhodophyta Batrachospermum sp. 64 Chlorophyta Blastophysa rhizopus X X X X X (Hudsson) Harvey 1841 AB X X Reinke 1889 Blastophysa polymorpha (J. Agardh) P.J.Linnaeus Dangeard ex Bliding 1963 Enteromorpha micrococca 144478 6961 145949 6510 145950 6503 Blastophysa arrhisa 65 Chlorophyta Blidingia marginata X X X X Blidingia marginata var. longior Enteromorpha nana var. marginata Enteromorpha marginata var. longior X Enteromorpha complanata var. confervacea 66 Chlorophyta Blidingia minima X X X X X X X X X X X (Nägeli ex Kützing) Kylin 1947 Enteromorpha minima Blidingia minima var. capillaris Blidingia minima var. elongata Blidingia minima var. ramosa Enteromorpha micrococca var. tortuosa 32 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Enteromorpha nana var. minima Enteromorpha coarctata Enteromorpha compressa var. minima Enteromorpha nana Enteromorpha minima var. capillaris Enteromorpha minima f. elongata Enteromorpha minima var. elongata Ulva intestinalis var. nana Blidingia nana 67 Chlorophyta Bolbocoleon piliferum Angiosper68 mophyta Bolboschoenus maritimus X X X X X 69 Rhodophyta X X X X X Bonnemaisonia asparagoides X X X X X X X X X X X X X N. Pringsheim 1862 144865 (Linnaeus) Palla 416203 X (Woodward) C. Agardh 1822 X 6601 852 Schoenoplectus maritimus (L.) Lye 382430 Bonnemaisonia adriatica 144440 11781 144442 11779 Bonnemaisonia asparagoides var. teres Callithamnion serpens Fucus asparagoides Hymenoclonium serpens X 70 Rhodophyta Bonnemaisonia hamifera X X X X Hariot 1891 Trailliella intricata Asparagopsis hamifera 71 Phaeophyta Botrytella micromora X X X X X Bory de Saint-Vincent 1822 X X Sorocarpus micromorus 145484 Sorocarpus uvaeformis Botrytella uvaeformis Ectocarpus siliculosus var. uvaeformis 72 Phaeophyta (Reinke) Kornmann & Sahling 1988 Botrytella reinboldii Sorocarpus reinboldii 145485 Ectocarpus reinboldii X X Polytretus reinboldii Ectocarpus intricatus Ectocarpus iwadatensis 73 Rhodophyta Brongniartella byssoides X X X X X (Goodenough & WoodFucus byssoides ward) F. Schmitz 1893 X 144792 13609 144452 9314 144457 9315 Conferva byssoides X X Polysiphonia byssoides Ceramium byssoides Hutchinsia byssoides Lophothalia byssoides Polysiphonia bangi Polysiphonia lyngbyei Polysiphonia solierii 74 Chlorophyta Bryopsis hypnoides X X 75 Chlorophyta Bryopsis plumosa X X X X J.V. Lamouroux 1809 X X (Hudson) C. Agardh 1823 Bryopsis hypnoides var. occidentalis Bryopsis monoica X X X Ulva plumosa Enteromorpha plumosa Bryopsis plumosa var. nuda 76 Angiospermophyta 77 Rhodophyta Butomus umbellatus L. Callithamnion corymbosum X X X X X X X X X X X X 960 (J.E.Smith) Lyngbye, 1819 144526 33 HELCOM Checklist for Baltic Sea Macrophyte Species The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga O P Q (Withering) S.F. Gray 1821 X Callithamnion affine Floraweb Bay of Mecklenburg X N TSN (ITIS) or AlgaeBase (AB) Kiel Bay X L M Aphia ID (WoRMS) K Synonyms J Authors/year I Bothnian Bay H Bothnian Sea + The Quark G Archipelago Sea F Aland Sea E Gulf of Finland D Nothern Baltic Proper C Great Belt + Little Belt Callithamnion tetragonum B Kattegat 78 Rhodophyta Valid Taxon Name Higher taxonomic level No Distribution A 144529 Callithamnion brachiatum Callithamnion fruticulosum Callithamnion spiniferum Callithamnion tetragonum f. brachiatum Callithamnion tetragonum var. brachiatum Callithamnion tetragonum var. fruticulosum Ceramium tetragonum Conferva tetragona 79 Angiospermophyta Angiosper80 mophyta 81 Angiospermophyta 82 Rhodophyta Callitriche cophocarpa Callitriche hermaphroditica X X X X X X Sendtner 1001 X X X X X Linnaeus 995 X X Linnaeus 1004 X Callitriche palustris Callophyllis cristata X X X (C. Agardh) Kützing 1849 X Euthora cristata 145261 Euthora cristata f. angustata Fucus coccineus var. pusillus Fucus cristatus Fucus gigartinus Nereidea fruticulosa Sphaerococcus coccineus Sphaerococcus cristatus var. angustatus 83 Angiospermophyta 84 Chlorophyta X Caltha palustris Capsosiphon fulvescens X X X X X X X X X X X X X X X Linnaeus (C. Agardh) Setchell & N.Linnaeus Gardner 1920 1008 Capsosiphon aureolus 145935 6512 Enteromorpha aureola Ulva fulvescens Enteromorpha fulvescens Prasiola aureola Prasiola fulvescens Solenia fulvescens Ulva aureola 85 Rhodophyta Ceramium cimbricum X X X 86 Rhodophyta Ceramium diaphanum X X X X X X X X X X H.E. Petersen in Rosenvinge 1924 Ceramium fastigiramosum 144538 (Lightfoot) Roth 1806 Ceramium pygmaeum 144546 Ceramium tenuissimum var. tenellum Conferva diaphana Ceramium diaphanum var. tenuissimum Hormoceras nodosum Ceramium nodosum Gongroceras nodiferum Hormoceras gracillimum Gongroceras tenuissimum Boryna diaphana Ceramium diaphanum f. medium 34 Ceramium diaphanum f. modificatum 12979 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Ceramium diaphanum f. zostericolum Hormoceras diaphanum 87 Rhodophyta Ceramium echionotum X J. Agardh 1844 Ceramium echionotum var. corticatum 144547 13010 Acanthoceras transcurrens Ceramium echionotum var. transcurrens Chaetoceras echionotum 88 Rhodophyta Ceramium pallidum X 89 Rhodophyta Ceramium siliquosum X (Nägeli ex Kützing) Maggs & Hommersand, 1993 X X X X X (Kützing) Maggs & Hommersand 1993 X 144555 Ceramium radiculosum 144564 Ceramium elegans var. diaphanoideum Ceramium elegans f. longiarticulata Hormoceras siliquosum 90 Rhodophyta Ceramium tenuicorne X X X X X X X X X X X X X X X X X X X X X X X X X X (Kützing) Waern 1949 X Ceramium gracillimum 144569 Ceramium gobii Ceramium diaphanum f. strictoides Ceramium corticatulum Ceramium tenuissimum var. arachnoideum Gongroceras tenuicorne Ceramium strictum subsp. tenuicorne X Ceramium arachnoideum X Ceramium diaphanum var. arachnoideum Ceramium diaphanum f. corticatulum Ceramium diaphanum f. strictum Ceramium strictum f. corticatulo-strictum Ceramium diaphanum f. corticatulo-strictum Ceramium strictum f. strictoides Ceramium strictum f. stricto-tenuissimum Ceramium strictum f. verum Ceramium circinnatum f. inferne-corticatum Ceramium circinnatum f. spongiosum 91 Rhodophyta Ceramium virgatum X X X X X X X X X X X X X Roth 1797 Ceramium rubrum 178915 Ceramium pedicellatum X X X X X X X X X X X X X X X Ceramium nodulosum Conferva nodulosa Conferva rubra Ceramium rubrum var. pygmaeum Ceramium nobile Boryna nodulosa Ceramium lanciferum Ceramium flabelliferum Ceramium rubrum f. balticum Ceramium rubrum f. divaricatum 35 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Ceramium rubrum f. irregularis-subcorticatum Ceramium rubrum f. modificatum Ceramium rubrum f. subtypicum Ceramium rubrum var. proliferum Ceramium rubrum f. proliferum Ceramium rubrum var. pallens Ceramium villosum Ceramium repens 92 Rhodophyta 93 Angiospermophyta 94 Chlorophyta Ceratocolax hartzii X X Ceratophyllum demersum Chaetomorpha aerea X X X X X X X X X X X X X X X X X X X X X Rosenvinge 1898 145653 Linnaeus 416204 (Dillwyn) Kützing 1849 Conferva aerea 145020 1468 6750 Conferva princeps Chaetomorpha princeps Chaetomorpha paucitatis Chaetomorpha linum f. aerea Conferva variabilis Chaetomorpha variabilis 95 Chlorophyta Chaetomorpha ligustica X X (Kützing) Kützing, 1849 X 96 Chlorophyta Chaetomorpha linum X X X X X X X X X X X X X X X X X X X X X X 145026 Chaetomorpha bottnica Chaetomorpha mediterranea X (O.F. Müller) Kützing 1849 Chaetomorpha sutoria 145027 6751 145029 6757 Conferva linum X Chaetomorpha baltica X Chaetomorpha chlorotica Chaetomorpha surtoria Conferva linoides Lychaete linum Conferva chlorotica Chaetomorpha rigida 97 Chlorophyta Chaetomorpha melagonium X X X X X X X X X (F. Weber & D. Mohr) Kützing 1845 X Conferva melagonium Chaetomorpha melagonium f. rupinicola 98 Chlorophyta Chaetophora incrassata X X (Hudson) Hazen 1902 Chaetophora cornudanae Chaetophora endiviaefolia Ulva incrassata 99 Charophyta Chara aspera X X X X X X X X X X X X X X X X Willdenow 1809 Chara curta Chara aspera var. subinermis Chara globularis var. aspera X Chara delicatula Chara fallax Chara galioides Chara pulchella var. delicatula Chara pulchella var. aspera 36 Chara globularis f. curta 399466 HELCOM Checklist for Baltic Sea Macrophyte Species Great Belt + Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Nothern Baltic Proper L M X X X X X X X X X X X X N O P Q X X X X Floraweb K TSN (ITIS) or AlgaeBase (AB) J Aphia ID (WoRMS) I Synonyms H Authors/year G Bothnian Bay F Bothnian Sea + The Quark E Archipelago Sea D Aland Sea C Gulf of Finland B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Chara intertexta 100 Charophyta Chara baltica Bruzelius 1824 Chara hispida var. baltica 399467 Chara firma Chara nolteana Chara liljebladii Chara baltica var. liljebladii 101 Charophyta Chara braunii 102 Charophyta Chara canescens 103 Charophyta Chara connivens 104 Charophyta Chara globularis X X X X X X X X X X X C.C. Gmelin 1826 Chara coronata 495147 X X X X X X X X X Desvaux & Loiseleur in Loiseleur 1810 Chara pusilla 399468 X X X X X X X Salzmann ex A. Braun 1835 X X X X X X X Chara crinita X X X X X Thuiller 1799 394627 Chara fragilis 495148 Chara fragilis var. subverrucosa Chara leptosperma 105 Charophyta Chara hispida X X X 106 Charophyta Chara horrida X X X 107 Charophyta Chara polyacantha X X X X 108 Charophyta Chara tomentosa 109 Charophyta Chara virgata 110 Charophyta Chara vulgaris 111 Phaeophyta Chilionema ocellatum Linneaus 1753 X X X X X X X X X X X X X X X X X X X X X X 585400 Wahlstedt 1862 399470 A.Braun 1836 585401 X Linnaeus 1753 399472 X Kützing 1834 495196 Linnaeus 1753 Chara foetida 547443 (Kützing) Kornmann in Kuckuck 1953 Chilionema nathaliae 145337 10886 144898 5796 Phyllactidium ocellatum Myrionema ocellatum X Ascocyclus ocellatus Phycocelis ocellatus 112 Chlorophyta Chlorochytrium cohnii E.P. Wright Chlorochytrium immersum Mesophyllum reinhardtii X 113 Chlorophyta Chlorochytrium dermatocolax X 114 Rhodophyta Chondria dasyphylla X 115 Rhodophyta Chondrus crispus X X X X Chlorocystis cohnii X X X X X X Reinke 1889 144900 (Woodward) C. Agardh, 1817 X X X X X Stackhouse 1797 144799 Iridaea heterocarpa 145625 12092 Mazzaella heterocarpa Chondrus crispus var. virens Chondrus crispus var. aequalis Chondrus crispus var. filiformis Chondrus crispus var. patens Fucus crispus var. sarniensis Chondrus crispus var. lacerus Fucus crispus var. planus Fucus norvegicus Chondrus platynus Halymenia platynus Chondrus variolosus Iridophycus heterocarpum Chondrus norvegicus Chondrus crispus f. aequalis Fucus crispus f. aequalis Sphaerococcus crispus f. aequalis 37 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Chondrus crispus f. abbreviatus Chondrus crispus f. incurvatus Chondrus crispus var. incurvatus Chondrus crispus f. polychotomus Sphaerococcus crispus var. ciliatus Fucus crispus var. virens Polymorpha crispa Chondrus crispus var. sarniensis Fucus lacerus Chondrus crispus var. planus Gigartina heterocarpa Chondrus platysma Polymorpha norvegicus Chondrus crispus var. lonchophorus 116 Phaeophyta Chorda filum X X X X X X X X X X X X X X X X (Linnaeus) Stackhouse 1797 Chorda filum var. thrix 145722 11214 144910 10976 145103 12320 Chorda filum var. subtomentosa Fucus filum Fucus filiformis Chordaria filum Scytosiphon filum Chorda filum f. subtomentosa Chondrus filum 117 Phaeophyta Chordaria flagelliformis X X X X X X X X X (O.F. Müller) C. Agardh 1817 X Dichosporangium chordariae Fucus corneus Streblonema chordariae Fucus flagelliformis Chordaria flagelliformis var. firma Chordaria flagelliformis var. minor Conferva flagelliformis Fucus flagelliformis var. minor 118 Rhodophyta Choreonema thuretii (Bornet) F. Schmitz 1889 X Chaetolithon deformans Endosiphonia thuretii Melobesia deformans Melobesia thuretii 119 Rhodophyta Chroodactylon ornatum X X X X X X X X X X X X (C. Agardh) Basson 1979 Asterocytis ramosa 145685 Asterocytis ornata Hormospora ramosa Conferva ornata Goniotrichum caerulescens Chroodactylon ramosum Asterocytis smargadina Goniotrichum ramosum 120 Rhodophyta Chylocladia verticillata X X Chylocladia kaliformis (Lightfoot) Bliding 1928 var. patens Chylocladia pygmaea Chylocladia squarrosa 38 Fucus kaliformis Fucus verticillatus 145808 12736 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Gastridium kaliforme Gastroclonium kaliforme Gigartina pygmaea Lomentaria kaliformis Lomentaria patens Lomentaria pygmaea 121 Chlorophyta Cladophora albida X X X X X X X (Nees) Kützing 1843 Cladophora magdalenae 145033 6771 Conferva neesiorum Cladophora neesiorum Annulina albida Conferva albida Conferva falcata Cladophora blidingiana X X X X Cladophora hamosa Cladophora pumila Cladophora albida var. refracta Cladophora curvula Cladophora scitula Cladophora gracillima Cladophora neesiorum var. humilis Cladophora humilis Cladophora corymbifera Cladophora hamosa f. refracta Cladophora harveyi Conferva scitula Conferva hamosa Cladophoropsis pallida Cladophora tenuis Cladophora bertolonii var. hamosa Cladophora laetevirens var. adunca Cladophora chlorothrix Cladophora ramellosa Cladophora spinulosa Cladophora torulosa Conferva lepidula Cladophora lepidula Cladophora notarisii Conferva inops Cladophora bertolonii var. corymbifera Conferva curvula Cladophora curvula var. hystrix Cladophora curvula var. incurvua Cladophora flexicaulis Cladophora glaucescens var. alba Conferva curvula var. gracillima Cladophora gracillima var. conferta Cladophora refracta var. spinulifera Cladophora spinulifera Cladophora reticulata Cladophora subpectinata 39 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Conferva arborescens Cladophora acutangula Cladophora uncata Cladophora neapolitana Cladophora neapolitana f. elongata Cladophora refracta f. nana Cladophora tenuissima 122 Chlorophyta Cladophora dalmatica X X Kützing 1843 Cladophora lutescens Cladophora oblitterata Cladophora pusilla Conferva plumula Cladophora caespitosa Cladophora crassiusculis Cladophora sertularina Conferva kaneana Cladophora arachnoidea Cladophora zostericola Cladophora penicillata Conferva sertularina Cladophora conglobata Conferva conglobata Aegagropila conglobata Cladophora mutila Cladophora pistillata Conferva pistillata Cladophora plumula Cladophora glebifera Cladophora nitidissima var. penicillata Cladophora lubrica Cladophora penicillata var. lutescens Cladophora utriculosa f. lutescens Cladophora nebulosa Cladophora crystallina var. abbreviata Cladophora crystallina var. cartilaginea Cladophora crystallina var. radians Aegagropila subtilis Cladophora ceratina var. bahusiensis Cladophora nitida var. minor Cladophora pycnoderma Cladophora heteronema var. pycnoderma Cladophora rudolphiana f. densior Cladophora dalmatica var. incurva Cladophora rudolphiana var. tenuiclada Cladophora luteola Cladophora plumula var. glebifera 40 145042 6808 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga X X Cladophora fracta X X X X P Q X (O.F. Müller) Kützing 1843 Cladophora gracilis 145045 6774 X (O.F. Müller ex Vahl) Kützing 1843 Conferva patens 145046 6805 145048 6793 X X X X X X X X X X Synonyms X Floraweb Bay of Mecklenburg X O TSN (ITIS) or AlgaeBase (AB) Kiel Bay X N Aphia ID (WoRMS) Great Belt + Little Belt Cladophora flexuosa L M Authors/year K Bothnian Bay J Bothnian Sea + The Quark I Archipelago Sea H Aland Sea G Gulf of Finland F Nothern Baltic Proper E Arkona Basin D The Sound 124 Chlorophyta C Kattegat 123 Chlorophyta B Valid Taxon Name Higher taxonomic level No Distribution A Conferva fracta Cladophora fracta var. flexuosa Conferva flavescens Rothella fracta Conferva fracta var. prolifera Conferva patens var. prolifera Cladophora fracta var. prolifera Conferva funiformis Conferva crispata var. longissima Cladophora funiformis Conferva fracta var. patens Cladophora patens Cladophora fracta var. patens Conferva sericea var. elongata Conferva crispata var. subterrestris Cladophora fracta var. terrestris Aegagropila agardhii Cladophora vitrea Cladophora crispata var. vitrea Conferva crispata var. vitrea Cladophora fracta var. horrida Cladophora fracta f. horrida Cladophora fracta var. subsimplex Cladophora rigidula Conferva rigidula Conferva sudetica Cladophora fracta var. sudetica Cladophora sudetica Cladophora viadrina Conferva viadrina Cladophora fracta var. viadrina Cladophora crispata var. thermalis Cladophora canalicularis var. squarrulosa Cladophora fracta f. submarina 125 Chlorophyta Cladophora glomerata X X X X X X X X X X X X X X X X X (Linnaeus) Kützing 1843 Cladophora crispata Conferva elongata Cladophora elongata Conferva rigida Conferva glomerata Cladophora canicularis Cladophora comosa Polysperma glomerata Chantransia glomerata 41 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Annulina glomerata Conferva cristata Conferva longissima Conferva glomerata var. longissima Conferva vaginata Chantransia vaginata Chantransia flavicans Conferva glomerata var. ochrochloa Conferva glomerata var. macrogonya Cladophora macrogonya Conferva macrogonya Conferva glomerata var. detersa Conferva glomerata var. firmior Conferva glomerata var. simplicior Conferva strepens Cladophora strepens Cladophora fracta var. strepens Conferva erecta Conferva erecta var. subsimplex Conferva erecta var. tenerrima Conferva comosa Cladophora flavescens var. clavigera Cladophora flavida var. clavigera Cladophora curvata Cladophora intricata Cladophora glomerata var. intricata Cladophora fasciculata Cladophora flavida Conferva flavida Cladophora fluitans Cladophora declinata var. fluitans Cladophora crystallina var. flaccida Cladophora declinata Cladophora fasciculata f. declinata Cladophora glomerata var. cartilaginea Cladophora glomerata var. mucosa Cladophora glomerata var. simplicior Cladophora glomerata var. tenuior Cladophora insignis var. fluviatilis Cladophora glomerata var. rivularis Conferva heuflerii Cladophora brachystelecha Cladophora glomerata var. arbuscula 42 Cladophora declinata var. pumila Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Cladophora olympica Cladophora cristata f. maura Cladophora tildeniae 126 Chlorophyta Cladophora hutchinsiae X 127 Chlorophyta Cladophora laetevirens X (Dillwyn) Kützing, 1845 X X (Dillwyn) Kützing 1843 145049 Cladophora patula 145051 Cladophora falcata Conferva laetevirens Cladophora meneghiniana Cladophora repens f. meneghiniana Cladophora utriculosa var. laetevirens Cladophora mexicana Cladophora catenatoides Siphonocladus rhodensis Cladophora heteronema Conferva heteronema Cladophora incurva Cladophora crystallina var. patentissima Cladophora fuscescens Cladophora laxa Cladophora utriculosa var. laxa Cladophora leptocladia Aegagropila meneghiniana Conferva rudolphiana var. meneghiniana Cladophora saccata Cladophora trichocoma Conferva trichocoma Cladophora lehmanniana var. effusa Cladophora lutescens var. longiarticulata Cladophora penicillata f. longiarticulata Cladophora hamifera Cladophora lateralis Cladophora moniliformis Cladophora bertolonii var. elongata Cladophora purpurascens Cladophora campyloclada Cladophora affinis Cladophoropsis rhodensis 128 Chlorophyta Cladophora lehmanniana (Lindenberg) Kützing 1843 X X Cladophora longiarticulata 145052 Cladophora utriculosa Cladophora ramulosa Cladophora macallana Conferva fruticulosa Conferva utriculosa Conferva lehmanniana Cladophora utriculosa f. lehmanniana 43 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Conferva prolifera var. tenuior Cladophora utriculosa var. ramulosa Conferva crouani Cladophora fruticulosa Conferva macallana Cladophora lehmanniana var. cristata Cladophora utriculosa var. longiarticulata Cladophora obtusata Cladophora macallana f. harveyana Cladophora macallana f. kuetzingiana Cladophora punica 129 Chlorophyta Cladophora pachyderma X (Kjellman) Brand 1909 X X Rhizoclonium pachydermum 371104 6820 145061 6821 145064 6777 145065 6768 Cladophora basiramosa Cladophora glomerata var. petraea Cladophora petraea 130 Chlorophyta Cladophora pygmaea X X X 131 Chlorophyta Cladophora rupestris X X X X X X X X X X X X Reinke 1888 X X X X X X X X X (Linnaeus) Kützing 1843 Cladophora bertolonii Cladophora ramosissima Conferva rupestris Cladophora rupestris var. nuda Conferva ramosissima Cladophora ramossisima Conferva nuda Cladophora nuda Cladophora rupestris var. mediterranea Cladophora rupestris f. mediterranea Cladophora lyngbyana Ceramium rupestre Annulina rupestris Chloronitum rupestre Conferva glauca Conferva rupestris var. glauca Cladophora rupestris f. nuda Cladophora opposita Conferva lyngbyana Cladophora rupestris var. baltica Cladophora sertularina var. adriatica Cladophora rupestris f. flaccida Cladophora rupestris f. rigida Aegagropila biformis Cladophora rupestris f. submarina Cladophora rupestris f. contracta 132 Chlorophyta Cladophora sericea X X X X X X X X X (Hudson) Kützing 1843 Cladophora glaucescens Cladophora nitida 44 Cladophora ovoidea Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Cladophora rudolphiana Conferva sericea X X Cladophora hirta Cladophora mediterranea Cladophora balliana Conferva rudolphiana Cladophora thoreana Cladophora rudolphiana f. subpatula Cladophora viridula Cladophora rudolphiana f. eramosa Cladophora plumosa Ceramium sericeum Chloronitum sericeum Conferva rupestris var. flexuosa Rothella flexuosa Conferva sericea var. marina Aegagropila rudolphiana Conferva glaucescens Cladophora froelichiana Conferva froelichii Conferva nitida Cladophora nitidissima Conferva hirta Cladophora subulifera var. divaricata Conferva veneta Cladophora lagunarum Cladophora divaricata var. hamulifera Cladophora longicoma Cladophora pectinicornis Conferva pectinicornis Cladophora utriculosa f. pectinicornis Conferva sandrii Cladophora sericea var. flaccida Cladophora sirocladia Cladophora sirocladia var. gracilis Cladophora patens var. prolifera Cladophora hirta var. borealis Cladophora rudolphiana f. elongata Cladophora gracilis var. harveyana Cladophora crystalina var. patula Cladophora penicillata var. elongata Cladophora rhadina 133 Chlorophyta Cladophora vadorum 134 Chlorophyta Cladophora vagabunda (Areschoug) Kützing, 1849 X X (Linnaeus) Hoek 1963 Cladophora expansa 145069 6839 145070 6837 Cladophora fascicularis Cladophora mauritiana 45 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Cladophora pulverulenta Cladophora uncinella Cladophora inserta Conferva vagabunda Conferva fascicularis Cladophora utriculosa var. aegaea Cladophora brachyclona Cladophora tenerrima Cladophora pinniger X Cladophora ceratina Cladophora daveyana Cladophora divergens Conferva lutescens Cladophora inserta f. ungulata Cladophora mauritiana var. ungulata Conferva expansa Cladophora heteropsis Cladophora monumentalis Cladophora expansa var. glomerata Ceramium vagabundum Conferva densa Conferva heterochloa Cladophora heterochloa Conferva glomerata var. rigida Conferva pulverulenta Conferva bruzelii Conferva ceratina Cladophora flaccida Aegagropila flaccida Cladophora flavida var. virescens Conferva implicata Cladophora implicata Conferva incrustata Cladophora flavovirens Cladophora utriculosa var. cartilaginea Cladophora sulphurea Cladophora rupestris f. gracilior Cladophora adriatica Cladophora fuscescens var. decipiens Cladophora lagunarum var. prolifera Cladophora penicillata var. gracilis Cladophora subnuda Cladophora heteronema f. sanvicensis Cladophora glomerata var. pusilla Cladophora elegans f. major Cladophora inserta f. typica 46 135 Phaeophyta Cladosiphon contortus X X (Thuret) Kylin 1940 Castagnea contorta 144911 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga X X X X X X O P Q (J. Agardh) Kylin 1940 Cladosiphon occidentalis Floraweb Kiel Bay X N TSN (ITIS) or AlgaeBase (AB) Great Belt + Little Belt Cladosiphon zosterae L M Aphia ID (WoRMS) K Synonyms J Authors/year I Bothnian Bay H Bothnian Sea + The Quark G Archipelago Sea F Aland Sea E Gulf of Finland D Nothern Baltic Proper C Kattegat 136 Phaeophyta B Valid Taxon Name Higher taxonomic level No Distribution A 144916 Myriocladia zosterae Eudesme zosterae 137 Phaeophyta Cladostephus spongiosus X (Hudson) C. Agardh 1817 X Conferva spongiosa 145888 11128 Cladostephus densus Ceramium spongiosum Cladostephus spongiosum f. laxus Cladostephus laxus Cladostephus spongiosum var. laxum Fucus bryum Cladostephus hirsutus Cladostephus laxum Cladostephus spongiosum f. laxum 138 Chlorophyta Coccomyxa parasitica X 139 Rhodophyta Coccotylus truncatus X 585403 X X X X X X X X X X X X X X X X X X X X X (Pallas) M.J. Wynne & J.N. Heine 1992 Phyllophora interrupta 145654 Phyllophora truncata Coccotylus brodiaei (D. Turner) Kützing Coccotylus truncatus f. brodiei Phyllophora truncata f. brodiaei Fucus truncatus Fucus brodiei X Phyllophora brodiei Sphaerococcus interruptus X X Actinococcus roseus Chaetophora subcutanea Actinococcus subcutaneus Phyllophora brodiei var. angustissima Chondrus truncatus Phyllophora brodiei f. interrupta Coccotylus brodiei Chondrus brodiei Sphaerococcus brodiei Phyllophora brodiei var. baltica X Phyllophora brodiei f. baltica Phyllophora brodiei f. concatenata Sphaerococcus brodiei var. concatenatus Phyllophora brodiei var. concatenata Sphaerococcus membranifolius var. concatenatus Phyllophora brodiei f. elongata Phyllophora brodiei var. elongata Phyllophora brodiaei f. filiformis Phyllophora brodiaei f. ligulata Sphaerococcus brodiaei var. ligulatus 47 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Phyllophora brodiaei subsp. interrupta Phyllophora brodiaei f. stellata Phyllophora parvula Agarum brodiaei X 140 Chlorophyta 141 Rhodophyta Codium fragile Colaconema daviesii X X X X X X X X Phyllophora brodiaei X (Suringar) Hariot 1889 Acanthocodium fragile 145086 X (Dillwyn) Stegenga 1985 Acrochaetium alcyonidii 164103 X X 6897 Acrochaetium daviesii Conferva daviesii Audouinella daviesii Rhodochorton daviesii Chantransia daviesii Acrochaetium alcyonidii var. cylindricum Callithamnion pubes Callithamnion lanuginosum Rhodochorton hyalosiphoniae Acrochaetium hyalosiphoniae Audouinella hyalosiphoniae Conferva lanuginosa Callithamnion daviesii Trentepohlia daviesii Callithamnion radicans Chantransia radicans Acrochaetium radicans 142 Rhodophyta Colaconema membranaceum X X X (Magnus) Woelkerling 1973 X Audouinella membranacea 373849 Callithamnion membranaceum Rhodochorton membranaceum X 143 Rhodophyta Colaconema nemalionis X X 144 Rhodophyta Colaconema pectinatum X X 145 Rhodophyta Colaconema strictum X X X X X X X (De Notaris) H. Stegenga, 1985 Acrochaetium nemalionis (Kylin) J.T. Harper & G.W. Saunders, 2002 Audouinella pectinata (Rosenvinge) R. Nielsen, 1994 376072 373841 Acrochaetium strictum (Rosenvinge) G. Hamel 1927 Audouinella stricta Chantransia stricta 146 Phaeophyta Colpomenia peregrina 147 Phaeophyta Compsonema saxicola 148 Rhodophyta Compsothamnion gracillimum 149 Rhodophyta Compsothamnion thuyoides X X Sauvageau, 1927 X (Kuckuck) Kornmann in Kuckuck 1953 Myrionema saxicola 371109 X De Toni 1903 Compsothamnion thuyoides var. gracillimum 144572 13071 X (J.E. Smith) Nägeli 1862 Callithamnion gracillimum 144573 13072 145108 12328 X X 145856 Callithamnion thuyoides Ceramium thuyoides Conferva thuyoides 150 Rhodophyta Corallina officinalis X X X Linnaeus 1758 Corallina officinalis var. flabellifera Corallina officinalis var. compacta Corallina officinalis f. compacta 48 Corallina compacta Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Corallina officinalis f. profunda Corallina officinalis f. vulgaris Corallina calvadosii Corallina officinalis f. nana Corallina officinalis var. nana Corallina nana 151 Angiospermophyta X Crassula aquatica X X X (Linnaeus) Schönland Tillaea aquatica (Lyngbye) Fries 1835 Cruoria adhaerens 152 Rhodophyta Cruoria pellita X X 153 Rhodophyta Cruoriopsis danica X X Rosenvinge, 1918 154 Phaeophyta Cutleria multifida X X (J.E. Smith) Greville 1830 1691 145612 11872 145230 Aglaozonia parvula 145297 11140 145615 12183 145507 11369 Cutleria multifida var. angustifrons Ulva multifida Zonaria parvula Aglaozonia reptans Dictyota penicillata Zonaria multifida Padina parvula Zonaria reptans Padinella parvula Dictyota laciniata Dictyota multifida 155 Rhodophyta Cystoclonium purpureum X X X X X X X (Hudson) Batters 1902 Fucus scorpioides Fucus purpureus Fucus purpurascens Cystoclonium purpurascens X Fucus elongatus Cystoclonium purpureum f. cirrhosum Choreocolax cystoclonii Gigartina purpurascens Sphaerococcus purpurascens Sphaerococcus purpurascens var. scorpioides Fucus corallinus Gigartina purpurascens var. cirrosa Cystoclonium purpureum var. cirrhosum Gracilaria purpurascens Capillaria purpurascens 156 Phaeophyta Cystoseira baccata (S.G. Gmelin) P.C. Silva 1952 X Cystoseira fibrosa Fucus baccatus Fucus fibrosus Phyllacantha fibrosa 157 Chlorophyta Dangemannia microcystris 158 Rhodophyta Dasya baillouviana X (P.J.Linnaeus Danegeard) T. Friedl & C.J. O’Kelly Planophila microcystis (P.J.L. Dangeard) Kornmann & Sahling 1983 495323 Ulvella microcystis X X X X X (S.G. Gmelin) Montagne 1841 Dasya pedicellata 144714 13415 Sphaerococcus pedicellatus Rhodonema elegans Dasya elegans Eupogodon mazei Fucus baillouviana 49 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Dasya elegans var. ramosissima 159 Phaeophyta Delamarea attenuata X (Kjellman) Rosenvinge 1893 X Scytosiphon attenuatus 145317 11093 144744 13242 144462 6888 145307 11315 145310 11323 Delamarea paradoxa Physematoplea attenuata 160 Rhodophyta Delesseria sanguinea X X X X X X X X (Hudson) J.V. Lamouroux 1813 X Fucus sanguineus Hydrolapathum sanguineum Sphaerococcus sanguineus Wormskioldia sanguinea Delesseria sanguinea f. filiformis Delesseria sanguinea var. lanceolata 161 Chlorophyta Derbesia marina X X (Lyngbye) Kjellman 1883 X Halicystis ovalis Vaucheria marina Gastridium ovale Valonia ovalis 162 Phaeophyta Desmarestia aculeata X X X X X X (Linnaeus) J.V. Lamouroux 1813 X Fucus aculeatus Sporochnus aculeatus Desmia aculeata Sporochnus aculeatus var. complanatus Desmarestia aculeata var. plumosa Sporochnus aculeatus var. plumosus Ectocarpus densus Fucus virgatus Fucus aculeatus var. muscoides Sphaerococcus aculeatus 163 Phaeophyta Desmarestia viridis X X X X X X X X (O.F. Müller) J.V. Lamouroux 1813 X Fucus viridis Desmarestia pacifica Desmarestia filamentosa Sporochnus viridis Dichloria viridis Chordaria viridis Gigartina viridis Iridea fluitans 164 Phaeophyta Dictyosiphon chordaria X X X X X X X X X X X X X X X X Areschoug 1847 Dictyosiphon mesogloia Gobia baltica Coilonema chordarium Scytosiphon chordarius Dictyosiphon chordarius var. bahusiensis Coilonema chordarium f. bahusiense Dictyosiphon chordarius f. balticus Cladosiphon balticus Dictyosiphon balticus Dictyosiphon chordarius f. simpliciusculus Dictyosiphon chordarius var. simpliciusculus 50 Coilonema chordarium f. simpliciusculum 145319 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Dictyosiphon finmarkicus Coilonema mesogloia 165 Phaeophyta Dictyosiphon foeniculaceus X X X X X X X X X X X X X X X X X (Hudson) Greville 1830 Dictyosiphon hippuroides 145322 11085 Dictyosiphon hispidus Dictyosiphon corymbosus Dictyosiphon foeniculaceus f. flaccidus Dictyosiphon foeniculaceus subsp. hispidus Dictyosiphon hippuroides var. fragilis Conferva foeniculacea Scytosiphon tomentosus Halymenia foeniculacea Ilea foeniculacea Scytosiphon foeniculaceus Scytosiphon hippuroides Dictyosiphon foeniculaceus f. hippuroides Sphaerococcus hippuroides Chordaria flagelliformis var. hippuroides Gigartina plicata var. hippuroides Sphaerococcus plicatus var. hippuroides Dictyosiphon foeniculaceus subsp. flaccidus Dictyosiphon foeniculaceus var. flaccidus Dictyosiphon corymbosus f. abbreviatus Scytosiphon foeniculaceus var. intricatus Chordaria flagelliformis var. intricata Scytosiphon ramellosus Scytosiphon foeniculaceus var. membranaceus Dictyosiphon foeniculaceus var. hispidus 166 Phaeophyta Dictyota dichotoma X 167 Rhodophyta Dilsea carnosa X (Hudson) J.V. Lamouroux, 1809 X X Dictyota latifolia (Schmidel) Kuntze 1898 Dilsea edulis 145367 145222 12237 Fucus carnosus Fucus edulis Halymenia edulis Iridea edulis Sarcophylis edulis Schizymenia edulis Ulva edulis 168 Bryophyta Drepanocladus aduncus 169 Rhodophyta Dudresnaya verticillata X X Warnstorf, 1903 (Withering) Le Jolis 1863 X 16171 Dudresnaya coccinea 145226 12261 Ulva verticillata Ulva coccinea Borrichius gelatinosus 170 Rhodophyta Dumontia contorta X X X X X X X X (S.G. Gmelin) Ruprecht 1850 Dumontia incrassata Dumontia filiformis 145228 51 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Ulva filiformis Fucus contortus Dumontia incrassata var. crispata Conferva filiformis Gastridium filiforme Halymenia filiformis Dumontia filiformis f. crispata Halymenia purpurascens var. crispata Gastridium filiforme var. intestiniformis Gastridium filiforme var. incrassatum Ulva compressa var. purpurea Gastridium filiforme var. flavum Gastridium filiforme var. rugosum Gastridium filiforme var. spongiforme Ulva spongiformis 171 Phaeophyta 172 Phaeophyta Ectocarpus fasciculatus Ectocarpus siliculosus X X X X X X X X X X X X X X X X Harvey, 1841 X X X X X X X X X (Dillwyn) Lyngbye 1819 145404 Ectocarpus confervoides Ectocarpus penicillatus Ectocarpus hiemalis Ectocarpus siliculosus var. arctus Ectocarpus siliculosus var. hiemalis Ectocarpus siliculosus var. confervoides Conferva siliculosa Ectocarpus siliculosus var. penicillatus Ectocarpus confervoides f. arctus Ectocarpus confervoides var. hiemalis Ectocarpus confervoides f. siliculosus Ceramium siliculosum Ectocarpus siliculosus var. atrovirens Ceramium siliculosum var. atrovirens Ectocarpus siliculosus var. caespitosus Ectocarpus siliculosus var. ferrugineus Ceramium confervoides var. ferrugineum Ceramium siliculosum var. ferrugineum Ectocarpus siliculosus var. nebulosus Ceramium siliculosum var. nebulosum Ectocarpus siliculosus f. nebulosa Ectocarpus confervoides f. penicillatus Ectocarpus siliculosus f. fluviatilis 52 Ectocarpus confervoides f. spalatinus 145410 10703 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Ectocarpus hiemalis f. spalatinus Ceramium densum Ectocarpus hansteeni Ectocarpus confervoides var. brumalis Ectocarpus confervoides f. irregularis Ectocarpus confervoides var. arctus Ectocarpus dasycarpus 173 Phaeophyta Elachista fucicola X X X X X X X X X X X X X X X (Velley) Areschoug 1842 X Elachista lubrica 144937 10938 Elachista grevillei Conferva fucicola Myriactula lubrica Conferva fucorum Elachista fucicola f. grevillei Elachista fucicola f. lubrica Elachista globosa Conferva flaccida Elachista fucicola var. lubrica 174 Phaeophyta Elachista stellaris X X X J.E. Areschoug 1842 Symphoricoccus stellaris 144943 Areschougia stellaris Phycophila stellaris Symphoricoccus radians X Elachista fracta Angiosper175 mophyta X Elatine hydropiper X X X X Linnaeus Angiospermophyta Angiosper177 mophyta Angiosper178 mophyta X Elatine triandra X Eleocharis acicularis X 179 Angiospermophyta Eleocharis parvula X 180 Angiospermophyta Eleocharis uniglumis X X X 182 Angiospermophyta X Elodea canadensis X X X X Schkuhr 2078 X (Linnaeus) Roem. & Schult. 2079 2091 2095 X X X X X X X X X X X (Roem. & Schult.) Link ex Bluff, Nees & Schauer X X X X X X (Link) Schult. X Angiosper181 mophyta X X (Linnaeus) Roem. & Schult. X Eleocharis palustris X X X X X X X X X X Elodea nuttallii 183 Chlorophyta Enteromorpha jugoslavica 184 Chlorophyta Epicladia cyclostoma 185 Chlorophyta Epicladia flustrae X X 186 Chlorophyta Epicladia heterotricha X X 187 Chlorophyta Epicladia perforans X X X X 2094 Eleocharis uniglumis var. fennica Michx. 2098 (Planch.) H. St. John 2099 Bliding X X X X X X X X X X X 2077 Elatine orthosperma Düben X 176 Elatine hydropiper subsp. orthosperma (Düben) F. Herm. X (Aaern) R. Nielsen 1995 X Reinke, 1889 (Yarish) R. Nielsen 145964 Entocladia cyclostoma 146004 146005 Pseudulvella heterotricha 6607 146007 Ulvella heterotricha X X X X X (Huber) R. Nielsen 1980 Entocladia perforans X 188 Chlorophyta Epicladia phillipsii X X 146008 Endoderma perforans X X X (Batters) R. Nielsen Epicladia flustrae var. phillipsii 146009 Endoderma flustrae var. phillipsii 189 Chlorophyta Epicladia testarum 190 Pteridophyta Equisetum fluviatile X X X (Kylin) R. Nielsen 1980 X X X Linnaeus Entocladia testarum 146011 17150 53 HELCOM Checklist for Baltic Sea Macrophyte Species The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga X X X 192 Rhodophyta Erythrodermis traillii X X 193 Rhodophyta Erythrotrichia carnea X X O P Q Rosenvinge 1909 (Holmes ex Batters) Guiry & Garbary 1990 145487 Phyllophora traillii 11495 145655 Erythrodermis allenii X X (Dillwyn) J. Agardh 1883 X Erythrotrichia pulvinata 145490 11502 Erythrotrichia biseriata X Erythrotrichia ceramicola X Conferva ceramicola Erythrotrichia filibasalis Conferva carnea Erythrocladia carnea Ceramium ceramicola Ceramicola rubra Erythrotrichia australis Bangia pulchella Bangia ciliaris subsp. pulchella 194 Rhodophyta 195 Rhodophyta Erythrotrichia investiens Erythrotrichia reflexa X (Zanardini) Bornet, 1892 X (P.Linnaeus Crouan & H.M. Crouan) Thuret ex De Toni 1897 X 145491 Porphyrostromium reflexa 145494 Bangia reflexa Porphyra reflexa Diademus reflexa 196 Phaeophyta Eudesme virescens X X X X X X X X X X X X X X X (Carmichael ex Berkeley) J. Agardh 1880 X Castagnea zosterae 144918 10981 Castagnea virescens Mesogloia virescens Aegira virescens Castagnea virescens f. vernales Castagnea virescens f. aestivales-autumnales Rivularia zosterae Aegira zosterae Linckia zosterae Mesogloia zosterae Helminthocladia virescens 197 Chlorophyta Eugomontia sacculata 198 Rhodophyta Euthora cristata 199 Phaeophyta Feldmannia irregularis X X X X X X X X X X Kornmann 1960 145922 (C. Agardh) J. Agardh, 1847 373772 12664 145415 10796 (Kützing) G. Hamel 1939 Ectocarpus arabicus Ectocarpus conifer Ectocarpus coniger var. arabicus Ectocarpus guadelupensis Ectocarpus irregularis Ectocarpus izuensis Ectocarpus lebelii var. agigensis Ectocarpus mucronatus Ectocarpus nanus Giffordia conifera Giffordia irregularis Hincksia conifera Hincksia irregularis 200 Phaeophyta 54 Feldmannia kjellmanii X Kylin, 1947 145416 Floraweb Bay of Mecklenburg X N TSN (ITIS) or AlgaeBase (AB) Kiel Bay X L M Aphia ID (WoRMS) K Synonyms J Authors/year I Bothnian Bay H Bothnian Sea + The Quark G Archipelago Sea F Aland Sea E Gulf of Finland D Nothern Baltic Proper C Great Belt + Little Belt Erythrocladia irregularis B Kattegat 191 Rhodophyta Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species 201 Bryophyta Fissidens fontanus 201 Bryophyta Fontinalis antipyretica 203 Bryophyta Fontinalis dalecarlica 204 Bryophyta Fontinalis hypnoides 205 Phaeophyta Fucus evanescens Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q X X X X X X X X X X Octodiceras fontanum (B. Pyl.) Lindb. X X X Hedw. X X Bruch & W. P. Schimper in B. S. G., 1846 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A 16929 292677 16418 16421 X 16430 C. Agardh 1820 Fucus distichus subsp. evanescens 145545 11346 Fucus distichus subsp. edentatus Fucus inflatus var. evanescens Fucus edentatus Fucus vesiculosus var. inflatus Fucus inflatus var. finmarkicus Fucus inflatus var. edentatus Fucus inflatus f. edentatus Fucus evanescens f. contractrus Fucus edentatus f. contractus Fucus evanescens f. norvegicus Fucus inflatus f. densus Fucus inflatus f. dilutus Fucus inflatus f. humilis Fucus inflatus f. latifrons Fucus inflatus f. nordlandicus Fucus inflatus f. pygmaeus Fucus inflatus f. reductus Fucus inflatus f. nanus Fucus inflatus f. gracilis Fucus evanescens f. arcticus Fucus bursigerus Fucus evanescens f. bersigerus Fucus evanescens f. cornutus Fucus evanescens f. dendroides Fucus evanescens f. macrocephalus Fucus evanescens f. magnificus Fucus evanescens f. nanus Fucus evanescens f. pergrandis Fucus evanescens f. rudis Fucus inflatus f. expositus Fucus inflatus f. membranaceus Fucus inflatus f. murmanicus Fucus evanescens f. bursigerus Fucus edentatus f. angustior Virsodes evanescens 55 HELCOM Checklist for Baltic Sea Macrophyte Species 207 Phaeophyta Kattegat Great Belt + Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Fucus radicans L. Fucus serratus X X X X X X X X L M X X N O P Q Bergström & Linnaeus Kautsky, 2005 X X Linnaeus 1753 235808 Fucus serratus var. angustifrons 145546 11342 145547 11340 145548 11335 Fucus serratus var. latifolius Fucus serratus var. integer Fucus serratus var. lacinatus Fucus serratus f. abbreviatus Fucus serratus f. angustus Fucus serratus f. arcticus Fucus serratus var. arcticus Fucus serratus f. elongatus Fucus serratus f. grandifrons Fucus serratus f. laciniatus Fucus serratus var. integerrimus Virsodes serratum 208 Phaeophyta Fucus spiralis X X X X X Linnaeus 1753 Fucus spiralis f. limitaneus Fucus spiralis var. limitaneus Fucus spiralis f. nanus Fucus areschougii Fucus sherardi f. spiralis Fucus areschougii f. nanus Fucus spiralis f. borealis Fucus areschougii var. borealis Fucus spiralis f. arenicola Fucus spiralis var. nanus Fucus spiralis var. platycarpus f. limitanea Fucus areschougi Fucus areschougi f. nanus Fucus areschougi var. borealis 209 Phaeophyta Fucus vesiculosus X X X X X X X X X X X X X X X X X Linnaeus 1753 Fucus ceranoides Fucus vesiculosus var. aestuarii Fucus vesiculosus var. angustifolius Fucus inflatus Fucus vesiculosus var. divaricatus Fucus vesiculosus var. balticus Fucus vesiculosus var. laterifructus Fucus vesiculosus var. sphaerocarpus Fucus divaricatus X Fucus balticus Fucus excisus Fucus vesiculosus var. spiralis 56 Fucus vesiculosus f. acutus Floraweb K TSN (ITIS) or AlgaeBase (AB) J Aphia ID (WoRMS) I Synonyms H Authors/year G Bothnian Bay F Bothnian Sea + The Quark E Archipelago Sea D Aland Sea C Gulf of Finland B Nothern Baltic Proper 206 Phaeophyta Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Fucus vesiculosus var. alternans X X Fucus vesiculosus f. balticus Fucus axillaris f. balticus Fucus vesiculosus f. angustifolius Fucus vesiculosus f. filiformis Fucus vesiculosus var. filiformis Fucus vesiculosus f. nanus Fucus vesiculosus var. nanus Fucus vesiculosus f. plicatus Fucus vesiculosus f. subecostatus Fucus vesiculosus var. subecostatus Fucus vesiculosus var. chondriformis Fucus vesiculosus f. racemosus Fucus vesiculosus f. tenuis Fucus vesiculosus var. rotundatus Fucus vesiculosus f. crispus Fucus vesiculosus f. flabellatus Fucus vesiculosus f. robustus Fucus vesiculosus f. subglobosus Fucus vesiculosus f. terminalis Fucus vesiculosus f. turgidus Fucus vesiculosus f. vadorum Fucus vesiculosus f. lanceolatus Fucus axillaris var. subecostatus Fucus vesiculosus subsp. pseudoceranoides Fucus vesiculosus f. pseudoceranoides Fucus vesiculosus var. ceratiformis Fucus vesiculosus var. rigidus Fucus vesiculosus f. angustifrons Fucus vesiculosus f. fluviatilis Fucus vesiculosus f. sphaerocarpus Fucus vesiculosus f. abbreviatus Fucus vesiculosus f. latus Fucus vesiculosus f. subfusiformis Fucus vesiculosus f. elongatus Fucus vesiculosus var. grandifrons 57 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Halidrys vesiculosus Fucus vesiculosus f. limicola Virsodes vesiculosum Fucus vesiculosus var. angustifrons 210 Rhodophyta Furcellaria lumbricalis X X X X X X X X X X X X X X X X X (Hudson) J.V. Lamouroux 1813 Furcellaria fastigiata 145620 Fucus fastigiatus Fucus lumbricalis Fucus lumbricalis var. fastigiatus Polyides rotundus f. fastigiatus Furcellaria lumbricalis var. fastigiata X Furcellaria fastigiata f. aegagropila X Furcellaria fastigiata var. minor Furcellaria fastigiata f. minor Polyides lumbricalis var. fastigiatus Sphaerococcus fastigiatus Fastigiaria furcellata Fastigaria furcellata 211 Chlorophyta Gayralia oxysperma X X X X X X X X X X (Kützing) K.Linnaeus Vinogradova ex Scagel et aLinnaeus 1989 X Monostroma oxyspermum 214368 Monostroma latissimum X Ulvaria oxysperma Ulva oxycocca Ulva oxysperma Monostroma oxycoccum Monostroma crepidinum Monostroma tubiforme Monostroma orbiculatum Monostroma crepidinium Monostroma oxyspermum f. orbiculatum Ulva oxysperma f. wittrockii X Ulvaria oxysperma f. wittrockii 212 Phaeophyta Giraudia sphacelarioides 213 Rhodophyta Gloiosiphonia capillaris X X X Derbes & Solier in Castagne 1851 X (Hudson) Carmichael in W.J. Hooker 1833 X Fucus capillaris 145324 11038 145232 12276 Gloiosiphonia californica Nemastoma californicum Calosiphonia californica Gigartina lubrica Nemalion japonicum Dudresnaya lubrica 214 Angiospermophyta 215 Chlorophyta X Glyceria maxima Gomontia polyrhiza X X X X X X X (Hartm.) Holmb. X X X (Lagerheim) Bornet & Flahault 1888 40846 Codiolum polyrhizum Gomontia manxiana 58 144903 6028 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga X X O P Q (Stackhouse) M. Steentoft LinnaeusM. Irvine & W.F. Farnham 1995 Gracilaria verrucosa 145700 705537 Floraweb Bay of Mecklenburg X N TSN (ITIS) or AlgaeBase (AB) Kiel Bay X L M Aphia ID (WoRMS) K Synonyms J Authors/year I Bothnian Bay H Bothnian Sea + The Quark G Archipelago Sea F Aland Sea E Gulf of Finland D Nothern Baltic Proper C Great Belt + Little Belt Gracilaria gracilis B Kattegat 216 Rhodophyta Valid Taxon Name Higher taxonomic level No Distribution A Gracilaria confervoides Fucus confervoides Fucus gracilis Fucus verrucosus Fucus confervoides var. gracilis Gracilaria confervoides var. procerrima Ceramium confervoides Fucus gulaman Gracilaria confervoides f. tenuissima Gracilaria confervoides f. gracilis Sphaerococcus capillaris Fucus procerrimus Gracilaria confervoides var. gracilis 217 Rhodophyta Gracilaria vermiculophylla X X X (Ohmi) Papenfuss Gracilaria asiatica 236157 Gracilariopsis vermiculophylla 218 Rhodophyta Grania efflorescens X X X X X X X X X X X X (J. Agardh) Kylin, 1944 Audouinella efflorescens 495087 Callithamnion efflorescens X X X Chantransia efflorescens X Rhodochorton efflorescens Rhodochorton chantransioides Chantransia efflorescens f. tenuis Acrochaetium efflorescens 219 Rhodophyta Griffithsia corallinoides (Linnaeus) Trevisan, 1845 X Callithamnion corallinoides 144582 Conferva corallinoides Heterosphondylium corallinum 220 Rhodophyta Griffithsia devoniensis X Harvey, 1846 144583 221 Rhodophyta Gymnogongrus sp. X C.F.P. Martius, 1833 144168 222 Rhodophyta Haemescharia hennedyi X X X X X X (Harvey) K.Linnaeus Vinogradova & T. Yacovleva 1989 Chaetophora pellita 145627 Actinococcus hennedyi Petrocelis ruprechtii Petrocelis hennedyi 223 Rhodophyta Halarachnion ligulatum X (Woodward) Kützing 1843 X Cruoria rosea 145621 12177 145540 11386 Ulva ligulata Contarinia rosea Halymenia ligulata Cruoria stilla Halymenia ligulata var. latifolia Dictyota ligulata 224 Phaeophyta Halidrys siliquosa X X X X X (Linnaeus) Lyngbye 1819 Fucus siliquosus Halidrys siliquosa var. siliculosus Fucus siliculosus 59 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Halidrys siliquosa var. evesiculosa Halidrys siliquosa var. denudata Cystoseira siliquosa 225 Phaeophyta Halonema subsimplex X 226 Phaeophyta Halorhiza vaga X X X X X 227 Phaeophyta Halosiphon tomentosus X X X X X X X X X X X X Jaasund 144920 Kützing 145004 (Lyngbye) Jaasund 1957 Chorda tomentosa 145723 Halosiphon altae Chorda tomentosa f. subfulva Chorda filum var. tomentosa Scytosiphon filum var. tomentosus Chorda abbreviata Chorda filum f. abbreviata Chorda tomentosa var. subfulva 228 Phaeophyta Halothrix lumbricalis X X X X X X (Kützing) Reinke 1888 Ectocarpus lumbricalis 144944 10947 145918 11134 145610 12690 Elachista lumbricalis 229 Phaeophyta Haplospora globosa X X X X X X X X X Kjellman 1872 Scaphospora arctica Scaphospora speciosa Capsicarpella speciosa 230 Rhodophyta Harveyella mirabilis X X X X X X X (Reinsch) F. Schmitz & Reinke in Reinke 1889 Choreocolax odonthaliae Choreocolax mirabilis Choreocolax albus 231 Phaeophyta Hecatonema terminale X X X (Kützing) Kylin 1937 Hecatonema maculans 145341 Phycocelis maculans X Ectocarpus terminalis Ascocyclus major Myrionema majus 232 Rhodophyta Helminthora divaricata (C. Agardh) J. Agardh 1852 X Mesogloia divaricata 145753 11690 145422 10811 Helminthora stackhousei X Chantransia polyidis Acrochaetium polyidis Colaconema polyidis Nemalion ramosissimum Mesogloia hornemanni Dudresnaya divaricata Fucus stackhousei 233 Phaeophyta Herponema desmarestiae X (H. Gran) Cardinal 1964 Ectocarpus desmarestiae Feldmannia desmarestiae 234 Rhodophyta Heterosiphonia japonica 235 Rhodophyta Heterosiphonia plumosa X X X X 232226 (J. Ellis) Batters 1902 Callithamnion coccineum Conferva coccinea Conferva plumosa Dasya coccinea Dasya coccinea f. tenuis Dasya coccinea var. tenuis Heterosiphonia coccinea 60 Heterosiphonia plumosa var. patens 144732 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Heterosiphonia plumosa var. tenuior Hutchinsia coccinea 236 Rhodophyta Hildenbrandia crouanii 237 Rhodophyta Hildenbrandia rivularis X X X X X J.Agardh X X X (Liebmann) J. Agardh 1851 145710 Cruoria rivularis 146400 Erythroclathrus rivularis 238 Rhodophyta Hildenbrandia rubra X X X X X X X X X X X X X X X X X X (Sommerfelt) Meneghini 1841 X Hildenbrandia prototypus 145712 Hildenbrandia rosea Verrucaria rubra Hildenbrandia sanguinea Hildenbrandia nardii 239 Phaeophyta Himanthalia elongata (Linnaeus) S.F. Gray 1821 X Himanthalia lorea 145551 11361 Fucus loreus Fucus pruniformis Fucus tomentosus Spongia dichotoma Funicularius tuberculatus 240 Phaeophyta Hincksia granulosa (J.E. Smith) P.C. Silva in P.C. Silva Menez & R.Linnaeus Moe 1987 X Giffordia granulosa 145433 Giffordia oviger Hincksia recurvata Conferva granulosa Giffordia recurvata Ectocarpus recurvatus Ectocarpus granulosus Ectocarpus oviger 241 Phaeophyta Hincksia hincksiae (Harvey) P.C. Silva in P.C. Silva Menez & R.Linnaeus Moe 1987 X Giffordia hincksiae 145435 Ectocarpus hincksiae Ectocarpus hincksiae var. irregularis Hincksia ramulosa 242 Phaeophyta Hincksia ovata X X (Kjellman) P.C. Silva in P.C. Silva Menez & R.Linnaeus Moe 1987 X Giffordia ovata 145438 Giffordia intermedia Hincksia intermedia Ectocarpus ovatus Ectocarpus ovatus var. intermedius Ectocarpus ovatus var. arachnoideus X Ectocarpus ovatus var. elongatus Ectocarpus ovatus var. holmi Ectocarpus holmi Ectocarpus ovatus var. tenuis Giffordia ovata var. arachnoidea 243 Phaeophyta Hincksia sandriana X (Zanardini) P.C. Silva in P.C. Silva Menez & R.Linnaeus Moe 1987 X X Giffordia sandriana 145440 Ectocarpus sandrianus Giffordia elegans Ectocarpus elegans Angiosper244 mophyta Hippuris tetraphylla X X X X X Reference, Autor 61 HELCOM Checklist for Baltic Sea Macrophyte Species Hydrocharis morsusranae L. 247 Rhodophyta Hydrolithon farinosum Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga X N O P Q X X X X X 2966 X 3005 (J.V. Lamouroux) D. Penrose & Y.M. Chamberlain 1993 X Floraweb Great Belt + Little Belt Hippuris vulgaris L. Angiosper246 mophyta L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Nothern Baltic Proper D Kattegat Valid Taxon Name C Aland Sea Angiospermophyta B Gulf of Finland 245 Higher taxonomic level No Distribution A X Fosliella farinosa 145118 Melobesia farinosa Melobesia granulata 248 Angiospermophyta Isoëtes echinospora X 249 Angiospermophyta Isoëtes lacustris L. X X Durieu X 250 Phaeophyta Isthmoplea sphaerophora X X ?? Isoëtes setacea X 3110 (Carmichael) Kjellman 1879 X Isoëtes lacustris subsp. echinospora (Durieu) Moore & More Ectocarpus sphaerophorus 145351 11021 145724 11228 Capsicarpella sphaerospora 251 Phaeophyta Laminaria digitata X X X X X X (Hudson) J.V. Lamouroux 1813 Fucus digitatus Laminaria intermedia Laminaria stenophylla Laminaria digitata f. stenophylla Laminaria digitata var. ensifolia Laminaria ensifolia Laminaria digitata var. valida X X Laminaria flexicaulis Laminaria digitata f. cucullata Laminaria flexicaulis var. cucullata Laminaria cucullata Laminaria intermedia f. cucullata Laminaria digitata f. cuneata Laminaria digitata f. debilipes Laminaria digitata var. debilipes Laminaria digitata var. integrifolia Laminaria digitata f. latifolia Laminaria latifolia Laminaria digitata var. latifolia Laminaria digitata f. longipes Laminaria intermedia f. longipes Laminaria cucullata f. longipes Laminaria digitata f. ovata Laminaria flexicaulis f. ovata Laminaria cucullata f. ovata Laminaria intermedia f. ovata Laminaria digitata var. intermedia Laminaria digitata var. stenophylla Fucus bifurcatus 62 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Laminaria flexicaulis f. valida Laminaria digitata f. valida Laminaria apoda Laminaria cucullata f. apoda Laminaria digitata f. grandifolia Laminaria digitata f. latilaciniata Laminaria flexicaulis f. latilaciniata Laminaria digitata f. ensifolia Laminaria flexicaulis f. ensifolia Laminaria conica Laminaria digitata f. complanata Laminaria brongardiana var. bifurcata Saccharina digitata Laminaria flexilis 252 Phaeophyta Laminaria hyperborea X X (Gunnerus) Foslie 1884 Fucus hyperboreus 145725 11230 Laminaria cloustonii Hafgyria cloustonii Laminaria hyperborea f. compressa Hafgyria cloustoni Laminaria cloustoni 253 Phaeophyta (Rosenvinge) Burkhardt & Peters Laminariocolax aecidioides X X Streblonema aecidioides 162814 Gononema aecidioides Entonema aecidioides Myrionema aecidioides Phycocelis aecidioides Ectocarpus aecidioides 254 Phaeophyta Laminariocolax tomentosoides 255 Charophyta Lamprothamnium papulosum X X X X X (Farlow) Kylin 1947 Ectocarpus tomentosoides 145446 10817 X (Wallroth) J. Groves 1916 Chara papulosa 179053 9502 X X X Chara hansenii Lamprothamnus hansenii Lamprothamnium hansenii Lamprothamnion alopecuroides X 256 Phaeophyta Leathesia marina X X X X X X X X X X X X X (Lyngbye) Decaisne 1842 X Leathesia difformis 494940 Nostoc marinum Corynephora marina Chaetophora marina Leathesia tuberiformis Nostoc mesentericum Corynephora baltica Tremella difformis Clavatella difformis Leathesia difformis var. tingitana Angiospermophyta Lemna gibba X Angiosper258 mophyta Lemna minor X Angiosper259 mophyta Lemna trisulca 257 X X X X X X Linnaeus 3336 X X X X X X Linnaeus 3337 X X X X X X Linnaeus 3339 63 HELCOM Checklist for Baltic Sea Macrophyte Species 260 Bryophyta Leptodictyum riparium 261 Phaeophyta Leptonematella fasciculata Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q X X X X X X X X X X X X X X Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A 547884 (Reinke) P.C. Silva 1959 Leptonema fasciculatum 144945 Leptonema fasciculatum var. majus X Leptonema fasciculatum var. flagellare X Leptonema fasciculatum var. uncinatum Elachista fasciculata Leptonema neopolitanum Leptonema fasciculatum var. subcylindricum 262 Rhodophyta Leptophytum laeve X X (Foslie) Adey 1966 Lithophyllum laeve 145135 Lithophyllum lenormandii f. laeve Lithothamnion laeve Lithothamnion stroemfeltii 263 Angiospermophyta 264 Rhodophyta X Limosella aquatica Lithophyllum crouaniorum X X X X X X X Linnaeus Foslie, 1899 3414 Lithophyllum crouanii 371033 Lithophyllum orbiculatum 265 Rhodophyta Lithophyllum pustulatum X X X (J.V. Lamouroux) Foslie, 1904 Dermatolithon pustulatum 238908 12373 145216 183139 Fosliella ascripticia Litholepis caspica 263 Titanoderma pustulatum X X (J.V. Lamouroux) Nägeli in Nägeli & C.E.Cramer 1858 Titanoderma pustulatum (J.V. Lamouroux) Nägeli in Nägeli & C.E.Cramer 1858 Tenarea ascripticia Melobesia pustulata Melobesia caspica Lithophyllum hapalidioides Titanoderma verrucatum Dermatolithon hapalidiodes Titanoderma hapalidioides Titanoderma macrocarpum Titanoderma litorale Dermatolithon macrocarpum Titanoderma ascripticia Tenarea pustulata Lithophyllum adplicitum Dermatolithon adplicitum Titanoderma pustulatum var. macrocarpum Epilithon pustulatum Melobesia verrucata Lithophyllum hapalidioides f. confinis Lithophyllum pustulatum f. intermedium Lithophyllum macrocarpum f. intermedium Dermatolithon pustulatum f. ascripticium 64 Melobesia macrocarpa HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Dermatolithon pustulatum var. macrocarpum Lithophyllum macrocarpum Lithophyllum pustulatum f. macrocarpum Melobesia simulans Melobesia hapalidioides Tenarea hapalidioides Lithothamnion adplicitum Dermatolithon pustulatum f. faroense Lithophyllum macrocarpum f. faroense Dermatolithon caspica Tenarea caspica Titanoderma caspicum Dermatolithon macrocarpum f. faeroensis Lithophyllum macrocarpum f. faeroensis Dermatolithon macrocarpum f. intermedium Titanoderma pustulatum var. canellatum Melobesia pustulata var. canellata Lithophyllum pustulatum f. ascripticium Lithophyllum pustulatum var. australe Lithophyllum pustulatum f. similis Dermatolithon pustulatum f. similis Melobesia pustulata var. cancellata 266 Rhodophyta Lithothamnion glaciale X X X X Kjellman 1883 Lithothamnion battersii 145170 Lithothamnion colliculosum f. densum Lithothamnion flabellatum f. granii Lithothamnion glaciale f. grani Lithothamnion granii Lithothamnion roseum 267 Rhodophyta Lithothamnion sonderi X X 268 Phaeophyta Litosiphon laminariae X X X X X X X X X X X X Hauck 1883 Lithothamnion sonderi f. sublaevigatum 145178 (Lyngbye) Harvey 1849 Litosiphon pusillus 145327 11048 Entonema oligosporum X X X X X X X X Streblonema oligosporum Streblonema volubile Streblonema thureti Bangia laminariae Asperococcus laminariae Punctaria laminariae Pogotrichum hibernicum Litosiphon hibernicus Asperococcus pusillus Dictyosiphon pusillus Punctaria pusilla Encoelium pusillum 65 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Scytosiphon pusillus Clathrodiscus oligosporus Streblonema danicum Pilocladus danicus 269 Rhodophyta 270 Rhodophyta Lomentaria articulata Lomentaria clavellosa (Hudson) Lyngbye, 1819 X X X X (Turner) Gaillon 1828 145821 Lomentaria clavellosa var. sedifolia 145825 12732 145830 12731 Fucus clavellosus Chylocladia clavellosa Chondria clavellosa Gastridium clavellosum Gastridium purpurascens Chondria clavellosa var. lyngbyei Chylocladia clavellosa var. sedifolia Fucus clavellosus var. sedifolius Lomentaria sedifolia Chrysymenia clavellosa Chondrothamnion clavellosum Gastrophycus clavellosus 271 Rhodophyta Lomentaria orcadensis (Harvey) F.S.Collins ex W.R. Taylor 1937 X Chrysymenia orcadensis Chrysymenia rosea var. orcadensis Chylocladia rosea Lomentaria rosea Chrysymenia rosea Lomentaria rosea var. orcadensis 272 Rhodophyta Mastocarpus stellatus X X X X X (Stackhouse) Guiry in Guiry J.A.West D.-H. Kim & Masuda 1984 Petrocelis cruenta Gigartina stellata Chondrus crispus var. stellatus Fucus coronopifolius Gigartina cornopifolia Fucus mamillosus Fucus stellatus Gigartina mamillosa Gigartina stellata f. acuta Gigartina stellata f. prolifera Gigartina stellata f. incurvata Sphaerococcus crispus var. stellatus Phyllophora mamillosa Rhodymenia mamillosa Sphaerococcus mamillosus Mastocarpus mamillosus Fucus mamillosus var. acutus Chondrus mammillosus Fucus mamillosus var. incurvus 66 Fucus mamillosus var. prolifer 145650 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Fucus echinatus Fucus crispus var. stellatus Gigartina stellata var. acuta Gigartina stellata var. incurvata Gigartina stellata var. prolifera 273 Rhodophyta Meiodiscus spetsbergensis X X X (Kjellman) Saunders & McLachlan 1991 X Audouinella spetsbergensis 145773 Rhodochorton mesocarpum var. penicilliforme Rhodochorton penicilliforme X Rhodochorton spetsbergense Thamnidium mesocarpum f. penicilliforme Thamnidium penicilliforme Thamnidium spetsbergense 274 Rhodophyta Melobesia membranacea X X X X (Esper) J.V. Lamouroux 1812 X Epilithon membranaceum 145182 12405 144758 13271 Corallina membranacea Lithothamnion membranaceum Hapalidium roseolum Melobesia corticiformis Hapalidium coccineum Melobesia rosea Hapalidium hildebrandtioides Lithothamnion corticiforme Melobesia hildebrantioides Epilithon corticiforme 275 Rhodophyta Membranoptera alata X X X X X X (Hudson) Stackhouse 1809 X X Fucus alatus Delesseria alata Sphaerococcus alatus 276 Phaeophyta Mesogloia lanosa X 277 Phaeophyta Mesogloia vermiculata X P.Linnaeus Crouan & H.M. Crouan X X X (J.E. Smith) S.F. Gray 1821 X X 144922 Helminthocladia vermicularis 144924 10985 Mesogloia vermicularis Rivularia vermiculata 278 Phaeophyta Microcoryne ocellata X X 279 Phaeophyta Microspongium globosum X X X X X X X X X Strömfelt 1888 Leathesia kuetzingii 144956 10966 Reinke 1888 Myrionema globosum 144973 10915 X Ascocyclus globosus Myrionema polycladum Hecatonema globosum Phycocelis globosus Hecatonema globosum var. nana Myrionema subglobosum Myrionema alariae Phycocelis alariae Ectocarpus pulvinatus 280 Phaeophyta Microspongium tenuissimum X X 281 Phaeophyta Mikrosyphar polysiphoniae X X X (Hauck) A.F. Peters 2003 X X X X X X Kuckuck 1897 Streblonema tenuissimum 376213 145447 10819 67 HELCOM Checklist for Baltic Sea Macrophyte Species Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga 283 Phaeophyta X 284 Chlorophyta Monostroma balticum 285 Chlorophyta Monostroma grevillei X X X X X Q X X X X X P X X X X X X X X X X X Kuckuck 1897 145448 Kuckuck 145450 145938 X X X X (Areschoug) Wittrock X X X X (Thuret) Wittrock 1866 Ulvopsis grevillei Floraweb Arkona Basin X O TSN (ITIS) or AlgaeBase (AB) The Sound X N Aphia ID (WoRMS) Bay of Mecklenburg X Mikrosyphar zosterae Valid Taxon Name Mikrosyphar porphyrae No 282 Phaeophyta L M Synonyms K Authors/year J Bothnian Bay I Bothnian Sea + The Quark H Archipelago Sea G Aland Sea F Gulf of Finland E Nothern Baltic Proper D Kiel Bay C Great Belt + Little Belt B Kattegat Higher taxonomic level Distribution A 10820 145940 6492 144959 10969 Enteromorpha grevillei Ulva grevillei 286 Phaeophyta Myriactula chordae (Areschoug) Levring 1937 X Elachista chordae Elachista stellaris f. chordae Gonodia chordae 287 Phaeophyta Myriactula fucorum X 288 Phaeophyta Myriactula haydenii X X (Rosenvinge) Kylin 1947 Gonodia pulvinata f. fucorum 144962 (Gatty) Levring 1973 Elachista haydenii 144964 Elachista moniliformis Gonodia moniliformis Myriactis haydenii Myriactis moniliformis 289 Phaeophyta Myriactula rivulariae X 290 Phaeophyta Myriocladia lovenii X 291 Phaeophyta Myrionema balticum X X X (Suhr) Feldmann, 1937 X J. Agardh, 1841 X X X X X X (Reinke) Foslie 1894 X 144967 144925 Myrionema attenuatum 144976 10926 156254 10925 Ascocyclus balticus Myrionema attenuatum var. trichophora 292 Phaeophyta Myrionema magnusii 293 Phaeophyta Myrionema seriatum 294 Phaeophyta Myrionema strangulans X X X X X X X X X X X (Sauvageau) Loiseaux 1967 X Ascocyclus magnusii (Reinke) Kylin X X X Greville 1827 144984 Myrionema punctiforme 144985 10924 Myrionema maculiforme Myrionema leclancherii Myrionema vulgare Myrionema strangulans var. punctiforme Myrionema intermedium Myrionema vulgare var. maculaeformis Linckia punctiforme Phaeosphaerium punctiforme 295 Angiospermophyta Myriophyllum alterniflorum 296 Angiospermophyta Myriophyllum sibiricum X X X X X X X X X X X X DC. 3809 Myriophyllum exalbescens Fern. Myriophyllum exalbescens var. magdalenense (Fern.) A. Löve Myriophyllum magdalenense Fern. Myriophyllum spicatum var. capillaceum Lange Myriophyllum spicatum var. exalbescens (Fern.) Jepson Myriophyllum spicatum ssp. exalbescens (Fern.) Hultén Myriophyllum spicatum ssp. squamosum Laestad. ex Hartman Myriophyllum spicatum var. squamosum (Laestad. ex Hartman) Hartman 68 503906 HELCOM Checklist for Baltic Sea Macrophyte Species X X X X X X Linnaeus X X Linnaeus X X X X X X X X X Harvey in W.J.Hooker 1834 X X 416205 Floraweb X TSN (ITIS) or AlgaeBase (AB) Nothern Baltic Proper X Q Aphia ID (WoRMS) Gulf of Riga X P Synonyms Gulf of Gdańsk X O Authors/year Eastern Gotland Basin X X N Bothnian Bay Western Gotland Basin X X L M Bothnian Sea + The Quark K Archipelago Sea J Aland Sea I Gulf of Finland H Bornholm Basin Myriotrichia clavaeformis G Arkona Basin 299 Phaeophyta F The Sound Myriophyllum verticillatum E Bay of Mecklenburg Angiosper298 mophyta D Kiel Bay Myriophyllum spicatum L. C Great Belt + Little Belt Angiospermophyta 297 B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A 3811 3812 Streblonema sphaericum 145331 Ectocarpus sphaericus Myriotrichia filiformis Myriotrichia harveyana Myriotrichia clavaeformis var. subcylindrica Myriotrichia clavaeformis var. minima Myriotrichia clavaeformis f. filiformis Myrionema irregulare 300 Angiospermophyta X Najas marina X X X X X X X X X X X X X X X Linnaeus Nemalion helminthoides X X X X X 3819 Najas marina subsp. intermedia (Wolfgang ex Gorski) Casper Najas marina subsp. tenuissima (A.Braun ex Magnus) K. Richt X 301 Rhodophyta 416207 X (Velley) Batters Nemalion multifidum 145765 Nemalion lubricum Fucus elminthoides Rivularia multifida Chordaria multifida Helminthora multifida Mesogloia multifida Chaetophora rubra Ulva rubra Mesogloia rubra Rivularia rubra 302 Rhodophyta Neosiphonia elongella X (Harvey) M.S. Kim & I.K. Lee, 1999 Polysiphonia elongella Harvey, 1833 375453 X (Bailey) Kim, Choi, Guiry & Saunders, 2001 Polysiphonia harveyi 233888 Aglaophyllum punctatum 144770 303 Rhodophyta Neosiphonia harveyi X 304 Charophyta Nitella confervacea 305 Charophyta Nitella flexilis 306 Charophyta Nitella gracilis (Sm.) X C.Agardh 1824 307 Charophyta Nitella hyalina X (DC. in Lam. & DC) C. Agardh 1824 308 Charophyta Nitella mucronata X X (A. Braun) Miquel 1840 309 Charophyta Nitella opaca X X 310 Charophyta Nitella syncarpa X X 311 Charophyta Nitella wahlbergiana 312 Charophyta Nitellopsis obtusa X 313 Rhodophyta Nitophyllum punctatum X (Breb.9) A. Braun ex Leonh. 1863 X X X X X X X X X (Linnaeus) C. Agardh 1824 (C. Agardh ex Bruzelius) C. Agardh 1824 (Thuillier) Kützing X X X Wallmann 1853 (Desvaux) J. Groves 1919 X (Stackhouse) Greville, 1830 13278 Delesseria ocellata Delesseria punctata Fucus ocellatus Fucus punctatus Nitophyllum ocellatum Ulva punctata Wormskioldia punctata 314 Angiospermophyta Nuphar lutea X X X X X X (Linnaeus) Sibth. & Sm. 3857 69 HELCOM Checklist for Baltic Sea Macrophyte Species 315 Angiospermophyta Nymphaea candida 317 Chlorophyta Ochlochaete hystrix Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga O P Q X Nymphaea alba Angiosper316 mophyta N X X X X X X X X X X X X X Linnaeus 3859 C. Presl 3860 Thwaites ex Harvey 1849 Chaetobolus gibbus 146012 6610 144839 13585 Ochlochaete lentiformis Ochlochaete ferox 318 Rhodophyta Odonthalia dentata X X X X (Linnaeus) Lyngbye 1819 X Fucus dentatus Atomaria dentata Fucus pinnatifidus Rhodomela dentata Sphaerococcus dentatus 319 Rhodophyta (Hudson) Stackhouse, 1809 Osmundea pinnatifida Chondria pinnatifida 144847 Gelidium pinnatifidum X Laurencia pinnatifida 320 Rhodophyta Osmundea truncata X X 321 Chlorophyta Ostreobium quekettii X X 322 Rhodophyta Palmaria palmata X X X X X X X (Kützing) K.W. Nam & Maggs in K.W. Nam Maggs & Garbary 1994 Lithoderma lignicola Bornet & Flahault 1889 Ostreobium reineckei 145095 5809 (Linnaeus) Kuntze 1891 Rhodymenia palmata 145771 12842 Palmaria expansa Palmaria lanceolata Rhodymenia palmata var. simplex Rhodymenia palmata var. marginifera Fucus palmatus Fucus caprinus Fucus rubens Rhodymenia palmata var. sobolifera Halymenia palmata var. marginifera Rhodymenia palmata var. sarniensis Halymenia palmata Sphaerococcus palmatus Ulva palmata Halymenia palmata var. concatenata Rhodymenia palmata f. marginifera Fucus bullatus Rhodymenia palmata f. prolifera Fucus delicatulus Ulva delicatula Fucus foliaceus Fucus ovinus Fucus rubescens Ulva caprina Halymenia palmata var. laciniata Fucus palmatus var. laciniatus Rhodymenia palmata f. angustifolia Rhodymenia palmata f. sobolifera Fucus soboliferus Halymenia sobolifera 70 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Ulva sobolifera 156279 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Ulva palmata var. laciniata Ulva palmata var. marginifera Rhodymenia palmata f. flabellata Rhodymenia palmata var. latifolia Rhodymenia palmata var. murmanica Rhodymenia palmata f. quercifolia Halymenia palmata var. simplex Ulva palmata var. simplex Ceramium palmatum Fucus dulcis Delesseria palmata Fucus sarniensis Rhodymenia sobolifera Sphaerococcus soboliferus Delesseria sobolifera Halymenia palmata var. sarniensis Sphaerococcus sarneisnsis Rhodymenia palmata var. latifolia f. quercifolia Sphaerococcus palmatus var. prolifer Fucus palmatus var. marginifer 323 Chlorophyta 324 Phaeophyta Percursaria percursa Petalonia fascia X X X X X X X X X X X X X X (C. Agardh) Rosenvinge 1893 (O.F. Müller) Kuntze 1898 X Ralfsia californica 145979 6556 145863 11432 Fucus fascia X Phyllitis fascia Ilea fascia Phyllitis fascia var. caespitosa Phyllitis fascia var. tenuissima Laminaria fascia Phyllitis fascia var. curvata Phyllitis fascia var. latior Phyllitis debilis Phycolapathum cuneatum Phyllitis caespitosa Scytosiphon fascia Phyllitis fascia var. debilis Ulva fascia Ilea fascia f. debilis Ilea fascia f. caespitosa Punctaria caespitosa Ilea caespitosa Laminaria caespitosa Ulva fascia var. tenuior Saccharina caespitosa Saccharina fascia 325 Phaeophyta Petalonia zosterifolia X X X X X (Reinke) Kuntze 1898 Phyllitis zosterifolia Ilea zosterifolia 145865 71 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Petalonia fascia var. zosterifolia 326 Phaeophyta Petroderma maculiforme X X 327 Rhodophyta Peyssonnelia dubyi P.L. X X X X X X X X X (Wollny) Kuckuck 1897 Lithoderma maculiforme 145478 10848 145278 12207 145778 6612 Lithoderma lignicola Crouan & H.M. Crouan 1844 X Peyssonnelia codana Cruoriella dubyi Cruoriella codana Cruoriella armorica var. de-zwaanii 328 Chlorophyta Phaeophila dendroides X X X X (P.Linnaeus Crouan & H.M. Crouan) Batters 1902 X Phaeophila floridearum Phaeophila divaricata Ochlochaete dendroides Ochlochaete phaeophila X 329 Chlorophyta Phaeophila engleri Phaeophila endophytum X (M. Möbius) R. Nielsen 1972 X Bolbocoleon endophytum 145779 Ectochaete endophytum 330 Phaeophyta Phaeostroma pustulosum X X X X X Kuckuck in Reinbold 1893 X Streblonema aequale 145455 Phaeostroma prostratum Entonema aequale Phaeostroma aequale Phaeocladia prostrata 331 Angiospermophyta 332 Phaeophyta X Phragmites australis X X X X X X X X X X X X X (Cav.) Trin. ex Steud. Strömfelt 1888 Phycocelis foecunda 416209 Hecatonema foecundum 4229 162944 Myrionema foecundum X X Chilionema foecundum Ascocyclus sphaerophorus Ascocyclus foecundus Ascocyclus distromaticus Ascocyclus saccharinae Chilionema boergesenii 333 Rhodophyta Phycodrys rubens X X X X X X X X (Linnaeus) Batters 1902 Phycodrys sinuosa Phyllophora epiphylla Fucus cartilagineus Fucus epiphyllus Phycodrys rubens f. lingulatus Phycodrys rubens f. quercifolius Phycodrys rubens var. lingulata Fucus sinuosus X X Delesseria sinuosa Delesseria sinuosa var. lingulata Phycodrys sinuosus f. lingulatus Fucus sinuosus var. quercifolius Delesseria sinuosa var. quercifolia Delesseria sinuosa f. quercifolius Phycodrys sinuosa f. quercifolius 72 144773 13292 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Sphaerococcus sinuosus Delesseria sinuosa f. angusta Delesseria sinuosa f. sublinearis Fucus roseus Phycodrys rubens f. aegagropila Agarum rubens Fucus crenatus Phycodrys crenata Phycodrys catenata 334 Rhodophyta Phyllophora crispa X X X X (Hudson) P.S. Dixon 1964 X Phyllophora rubens 145660 12055 145664 12051 145199 12532 Phyllophora nervosa Fucus crispus Fucus nervosus Colacolepis incrustans Phyllophora rubens f. nervosa Phyllophora rubens f. bangi Fucus bangi Chondrus bangi Phyllophora bangi Sphaerococcus bangi Rhizophyllis bangi Rhodymenia bangi Phyllophora epiphylla f. bangi Chondrus bangi var. tenuior Delesseria nervosa 335 Rhodophyta Phyllophora pseudoceranoides X X X X X X X X X X X X X (S.G. Gmelin) Newroth & A.R.A. Taylor 1971 Phyllophora membranifolia Fucus membranifolius Fucus fimbriatus Phyllophora membranifolia f. angustissima Sphaerococcus membranifolius Sphaerococcus membranifolius var. angustissimus Sphaerococcus brodiaei var. angustissimus Phyllophora membranifolia var. angustissima Phyllophora membranifolia f. fibrillosa Sphaerococcus membranifolius var. fibrillosus Phyllophora membranifolia var. fibrillosa Sphaerococcus membranifolius var. pinnatus Chondrus membranifolius Fucus pseudoceranoides 336 Rhodophyta Phymatolithon calcareum X (Pallas) Adey & D.Linnaeus McKibbin 1970 Millepora calcarea Apora polymorpha Lithophyllum calcareum Lithothamnion calcareum 73 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Lithothamnion polymorphum X Melobesia calcarea Melobesia compressa Millepora polymorpha Paraspora calcarea Spongites calcarea 337 Rhodophyta Phymatolithon laevigatum X X X (Foslie) Foslie 1898 Lithothamnion laevigatum 145200 Lithothamnion emboloides 338 Rhodophyta Phymatolithon lenormandii X X X X (J.E. Areschoug) W.H. Adey 1966 X Lithothamnion squamulosum 145202 12530 Lithothamnion lenormandii Melobesia lenormandii Lithothamnion lenormandii f. sublaevis Lithothamnion lenormandii f. squamulosum X Lithophyllum lenormandii X Squamolithon lenormandii Lithothamnion annulatum 339 Rhodophyta Phymatolithon purpureum X X X (P.Linnaeus Crouan & H.M. Crouan) Woelkerling & LinnaeusM. Irvine 1986 X Phymatolithon polymorphum 145203 Lithothamnion purpureum Lithothamnion polymorphum f. intermedium Lithothamnion polymorphum f. papillatum Phymatolithon polymorphum f. sublaeve Lithothamnion polymorphum f. sublaeve Phymatolithon polymorphum f. tuberculatum Lithothamnion polymorphum f. tuberculatum Phymatolithon polymorphum f. validum Lithothamnion polymorphum f. validum Eleutherospora polymorpha 340 Rhodophyta Phymatolithon tenue X X X 341 Phaeophyta Pilinia rimosa X X X (Rosenvinge) Linnaeus Düwel & S. Wegenerg, 1996 X X X X X X Kützing 1843 146389 Waerniella lucifuga 145457 6716 145233 183111 162716 6455 Leptonema lucifugum Waerniella lucifuga var. australis 342 Rhodophyta Plagiospora gracilis 343 Chlorophyta Planctonema lauterbornii 344 Phaeophyta Pleurocladia lacustris X X X X Kuckuck 1897 X Cruoriopsis gracilis Schmidle, 1903 X X X X X A. Braun 1855 Kolderupia maritima 145458 Chaetophora maritima Chaetophora pellucida Pilinia maritima Ectocarpus maritimus 345 Rhodophyta 74 Plocamium cartilagineum X (Linnaeus) P.S. Dixon 1967 Plocamium coccineum Plocamium vulgare 145782 11968 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Gelidium cartilagineum Fucus coccineus Fucus plocamium Plocamium pusillum Plocamium angustum var. pusillum Delesseria coccinea Plocamium coccineum f. binderianum Delesseria plocamium Plocamium lyngbyanum Plocamium binderianum Plocamium coccineum var. subtile 346 Rhodophyta Plumaria plumosa X X X X X (Hudson) Kuntze 1891 Plumaria elegans 144603 Fucus plumosus Ptilota plumosa var. tenuissima Ptilota elegans Ptilota sericea Ceramium plumosum Plumaria plumosa var. tenuissima 347 Rhodophyta Pneophyllum caulerpae X 348 Rhodophyta Pneophyllum confervicola X (Foslie) P.Linnaeus Jones & Woelkerling, 1984 X X (Kützing) Y.M. Chamberlain 1983 X 146390 Hapalidium confervicola 213921 Melobesia minutula f. lacunosa Pneophyllum confervicola f. minutulum 349 Rhodophyta Pneophyllum fragile X X X X Kützing 1843 Fosliella lejolisii 145206 183156 Heteroderma lejolisii X Pneophyllum lejolisii X Melobesia lejolisii Pneophyllum microsporum Dermatolithon lejolisii Melobesia microspora 350 Rhodophyta Pneophyllum limitatum X (Foslie) Y.M. Chamberlain 1983 X Fosliella limitata 145207 Heteroderma limitata Melobesia lejolisii f. limitata Melobesia limitata 351 Rhodophyta Pneophyllum subplanum 352 Phaeophyta Pogotrichum filiforme (Rosenvinge) Y.M. Chamberlain ex G.R. South & Tittley 1986 X X Reinke 1892 Melobesia subplana 145210 Litosiphon filiformis 238952 Pogotrichum filiforme f. gracilis Litosiphon filiformis var. gracilis Fosliea filiformis Pogotrichum filiforme var. penicilliforme 353 Angiospermophyta 354 Rhodophyta Polygonum foliosum Polyides rotundus X X X X X X X X X X X X Lindb. X (Hudson) Greville 1830 Polyides lumbricalis 145668 12696 Fucus rotundus Fucus radiatus Bifurcaria rotunda Polyides caprinus Fucus furcellatus 75 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Chordaria rotunda Furcellaria rotunda 355 Rhodophyta Polysiphonia brodiei X X 356 Rhodophyta Polysiphonia elongata X X X X X X (Dillwyn) Sprengel 1827 X X X X X (Hudson) Sprengel 1827 162854 Fucus muscoides Polysiphonia ruchingeri Polysiphonia denudata f. fragilis Polysiphonia schuebeleri Polysiphonia elongata var. rosea Boryna elongata Hutchinsia elongata Rhodomela elongata Polysiphonia elongata f. gelatinosa Polysiphonia elongata f. lyngbyei Hutchinsia lyngbyei Polysiphonia microdendron Polysiphonia elongata f. microdendron Polysiphonia elongata var. microdendron Polysiphonia elongata f. nana Polysiphonia elongata f. glomerata Polysiphonia elongata f. schuebeleri Ceramium brachygonium Ceramium elongatum var. denudatum Hutchinsia elongata var. denudata Ceramium elongatum var. proliferum Hutchinsia elongata var. prolifera Hutchinsia strictoides Polysiphonia stenocarpa Polysiphonia chalarophloea Polysiphonia clavigera Polysiphonia strictoides Polysiphonia delphina Polysiphonia arborescens Polysiphonia robusta Polysiphonia trichodes Polysiphonia macroclonia Polysiphonia rosea Polysiphonia commutata Polysiphonia haematites Polysiphonia laxa Hutchinsia ruchingeri Polysiphonia elongata var. sanguinolenta Polysiphonia elongata var. arborescens 76 Polysiphonia elongata var. haematites 144628 13465 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Polysiphonia elongata var. robusta Polysiphonia elongata var. ruchingeri Polysiphonia elongata var. stenocarpa Polysiphonia leptoclonia Polysiphonia elongata var. denudata Polysiphonia elongata f. denudata 357 Rhodophyta Polysiphonia fibrillosa X X X X X X X X X X X X X X X X (Dillwyn) Sprengel 1827 Polysiphonia spinulosa 144634 13466 Polysiphonia richardsonii Conferva fibrillosa Polysiphonia carmichaeliana Polysiphonia griffithsiana Polysiphonia grevillei Polysiphonia violacea var. fibrillosa Hutchinsia fibrillosa Polysiphonia violacea f. fibrillosa Hutchinsia divaricata Polysiphonia divaricata Polysiphonia expansa Polysiphonia elongata f. expansa Hutchinsia expansa Hutchinsia tenuis Hutchinsia aculeata Polysiphonia aculeata Polysiphonia violacea f. aculeata Hutchinsia implicata Polysiphonia violacea f. bulbosa Polysiphonia violacea var. bulbosa Polysiphonia bulbosa Polysiphonia violacea var. subbrodiei Polysiphonia violacea f. subbrodiei Polysiphonia violacea f. tenuis Ceramium violaceum var. tenue Polysiphonia violacea var. tenuissima Polysiphonia violacea f. subbrodiaei Polysiphonia violacea var. subbrodiaei 358 Rhodophyta Polysiphonia fucoides X X X X X X X X X X X X X X X X X X X X X X X X X (Hudson) Greville 1824 Polysiphonia nigrescens 144639 Polysiphonia violacea Hutchinsia nigrescens Ceramium violaceum Conferva fucoides Conferva nigrescens Polysiphonia nigrescens f. senticosa Polysiphonia nigrescens f. protensa 77 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Polysiphonia atropurpurea Polysiphonia nigrescens f. fucoides Ceramium violaceum var. nigrescens Hutchinsia violacea var. nigrescens Polysiphonia nigrescens var. flaccida Polysiphonia nigrescens f. flaccida Hutchinsia nigrescens var. pectinata Polysiphonia nigrescens f. pectinata Polysiphonia senticosa Hutchinsia violacea Conferva atrorubens 359 Rhodophyta Polysiphonia nigra X X X X (Hudson) Batters 1902 Polysiphonia atrorubescens 144651 13487 Conferva nigra Conferva badia Conferva atrorubescens Polysiphonia badia Hutchinsia badia Hutchinsia atrorubescens 360 Rhodophyta Polysiphonia stricta X X X X X X X X X X (Dillwyn) Greville 1824 Polysiphonia urceolata 144672 Conferva stricta Conferva urceolata Polysiphonia pulvinata Polysiphonia spiralis Polysiphonia urceolata f. comosa Polysiphonia urceolata f. formosa Hutchinsia stricta Hutchinsia urceolata Polysiphonia formosa Polysiphonia urceolata f. pulvinata Hutchinsia roseola Polysiphonia roseola Hutchinsia abyssina Hutchinsia comosa Polysiphonia patens 361 Rhodophyta Porphyra amplissima X 362 Rhodophyta Porphyra leucosticta X (Kjellman) Setchell & Hus, 1900 X X X X Thuret in Le Jolis 1863 144425 Porphyra elongata 144430 Porphyra laciniata var. elongata Porphyra vermicellifera Phyllona atropurpurea Phyllona coriacea Phyllona vermicellifera 363 Rhodophyta Porphyra linearis X X X Greville 1830 Porphyra laciniata f. linearis Porphyra umbilicalis f. linearis Porphyra hiemalis Ulva purpurea var. elongata Porphyra umbilicalis var. linearis Phyllona linearis 78 144431 11546 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Wildemania laciniata var. linearis Wildemania linearis 364 Rhodophyta Porphyra miniata (C. Agardh) C. Agardh 1824 X Diploderma miniatum 144432 11542 144434 11575 144437 11543 Phyllona abyssicola Phyllona miniata Porphyra abyssicola Porphyra miniata var. abyssicola Ulva miniata Ulva purpurea var. miniata Wildemania miniata 365 Rhodophyta Porphyra purpurea X X X (Roth) C. Agardh 1824 Porphyra purpureoviolacea Ulva purpurea Porphyra amethystea Porphyra vulgaris Ulva purpureo-violacea Ulva umbilicalis var. purpurea Phyllona purpurea 366 Rhodophyta Porphyra umbilicalis X X (Linnaeus) Kützing 1843 X Porphyra insolita Ulva umbilicalis Wildemania laciniata Porphyra umbilicalis var. vulgaris Wildemania laciniata var. umbilicalis Porphyra umbilicalis f. epiphytica 367 Rhodophyta Porphyridium aerugineum 3 368 Rhodophyta Porphyridium purpureum X X Geitler, 192 (Bory de Saint-Vincent) K. Drew & Ross 1965 X 145787 Olivia cruenta 145788 11459 145498 11520 Phytoconis purpurea Porphyridium cruentum Porphyridium marinum Sarcoderma sanguineum 369 Rhodophyta Porphyropsis coccinea X X X (J. Agardh ex Areschoug) Rosenvinge 1909 X Porphyra coccinea Porphyra miniata var. pusilla 370 Phaeophyta Porterinema fluviatile X X X X X (A. Porter) Waern 1952 Streblonema fluviatile 146282 Porterinema marina 371 Angiospermophyta Potamogeton berchtoldii 372 Angiospermophyta Potamogeton compressus Angiosper373 mophyta Potamogeton crispus X X X X X X X X X X X X X X X Fieber X Linnaeus Potamogeton pusillus 4481 4461 Linnaeus 4462 Potamogeton crispus x perfoliatus 374 Angiospermophyta Angiosper375 mophyta Potamogeton filiformis X X X X X X X Potamogeton friesii X X X X X X X X Pers. Rupr. 4463 Potamogeton acutifolius 4464 Potamogeton rutilus 376 Angiospermophyta Potamogeton gramineus Angiosper377 mophyta Potamogeton lucens Angiosper378 mophyta Potamogeton natans X X X X X X X X X X X Linnaeus 4465 Linnaeus 4466 Linnaeus 4467 79 HELCOM Checklist for Baltic Sea Macrophyte Species Potamogeton obtusifolius 380 Angiospermophyta Potamogeton pectinatus agg. 381 Angiospermophyta Potamogeton pectinatus Angiosper382 mophyta Potamogeton perfoliatus Angiosper383 mophyta Potamogeton praelongus Angiospermophyta Potamogeton pusillus 384 385 Chlorophyta 386 Chlorophyta Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q X X X X X X X X X X X X X X X Potamogeton natans x perfoliatus Mert. & W. D. J. Koch 4471 Potamogeton vaginatus Turcz. p. p. X X X X X X X X X X Linnaeus sensu s. str. 416211 4474 X X X X X X X X X X X Linnaeus 416212 4477 X X X X X Wulfen 4479 X X X X X Linnaeus 4482 X (Carmichael ex Greville) Kützing, 1845 X X Prasiola crispa 4472 X X Prasiola calophylla X (Lightfoot) Kützing 1843 X 145797 Prasiola crispa subsp. terrestris 145798 Ulva crispa Ulva terrestris 387 Chlorophyta Prasiola furfuracea 388 Chlorophyta Prasiola stipitata 389 Chlorophyta Pringsheimiella scutata X X (Mertens ex Hornemann) Kützing 1843 X X Suhr ex Jessen 1848 Ulva furfuracea 145799 Prasiola leprosa X X X X X X X X X X X X X X X X X X X X X X (Reinke) Marchewianka 1925 X Pringsheimia scutata 145800 6398 144876 6615 144986 10933 Pringsheimia udotea Pringsheimiella udotea 390 Phaeophyta Protectocarpus speciosus X X X (Borgesen) Kornmann in Kuckuck 1955 X Myrionema speciosum Hecatonema speciosum Hecatonema diffusum Ectocarpus speciosus Hecatonema faeroense 391 Chlorophyta Protomonostroma undulatum X 392 Chlorophyta Pseudendoclonium dynamenae X 393 Chlorophyta Pseudendoclonium fucicola X (Wittrock) K.Linnaeus Vinogradova 1969 X R. Nielsen X (Rosenvinge) R. Nielsen 1980 X X X X X Monostroma undulatum 145946 156367 Ulvella fucicola 156368 Pseudopringsheimia fucicola Ulvella fucicola var. globosa 394 Chlorophyta 395 Phaeophyta Pseudendoclonium submarinum Pseudolithoderma extensum X X X X X X X X X X X X X X X X X X X X X X X X Wille 1901 X (P.Linnaeus Crouan & H.M. Crouan) S. Lund 1959 X X 144879 Lithoderma extensum 144990 10881 Lithoderma fatiscens Ralfsia extensa Pseudolithoderma fatiscens 396 Phaeophyta Pseudolithoderma rosenvingei 397 Phaeophyta Pseudolithoderma subextensum 398 Rhodophyta Pterosiphonia parasitica X X X X X X X X X X X X X X X X X (Waern) S. Lund 1959 Lithoderma rosenvingei 371082 (Waern) S. Lund 1959 Lithoderma subextensum 144993 (Hudson) Falkenberg 1901 Conferva parasitica 144851 Hutchinsia moestingi Hutchinsia parasitica Polysiphonia moestingi Polysiphonia parasitica 399 Rhodophyta Pterothamnion plumula X X X X X (J. Ellis) Nägeli in Nägeli et C. E. Cramer 1855 Antithamnion plumula Platythamnion plumula Ceramium plumula 80 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Archipelago Sea G Aland Sea F Gulf of Finland E Nothern Baltic Proper D Bothnian Bay Angiospermophyta C Bothnian Sea + The Quark 379 B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Callithamnion plumula 144683 13528 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Antithamnion plumula var. demersum 400 Rhodophyta Ptilota gunneri X P.C. Silva Maggs & LinnaeusM. Irvine 1993 X Fucus cartilagineus var. vindicatus 144686 Fucus plumosus var. tenerior Fucus ptilotus X Ptilota plumosa Sphaerococcus plumosus 401 Phaeophyta Punctaria plantaginea X X X X (Roth) Greville 1830 Ulva plantaginea 145347 11054 Phycolapathum plantagineum Laminaria plantaginea Zonaria plantaginea Homeostroma plantagineum Asperococcus plantagineus Punctaria rubescens Ulva rubescens 402 Phaeophyta Punctaria tenuissima X X X X X X X X X (C. Agardh) Greville 1830 X Desmotrichum undulatum 145348 Desmotrichum balticum X X Streblonema effusum Punctaria undulata Punctaria baltica X Entonema effusum Zonaria tenuissima Diplostromium tenuissimum Desmotrichum scopulorum Desmotrichum balticum f. paradoxum Desmotrichum scopulorum f. fennicum Diplostromium balticum Desmotrichum repens Ulva plantaginifolia Entonema effusm 403 Phaeophyta Pylaiella littoralis X X X X X X X X X X X X X X X X X (Linnaeus) Kjellman Conferva littoralis 157188 10777 Pylaiella littoralis f. rupincola Pylaiella littoralis var. brachiata Pylaiella littoralis var. firma Pylaiella littoralis var. longifructus Pylaiella littoralis var. opposita Pylaiella littoralis var. ramellosa Ceramium littorale X X X Ectocarpus littoralis Ceramium compactum Conferva compacta Ectocarpus compactus Conferva ferruginea Ectocarpus ferrugineus Ectocarpus firmus f. vernalis Pylaiella littoralis var. divaricata 81 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Ectocarpus littoralis subsp. divaricatus Ectocarpus littoralis var. divaricatus Ectocarpus siliculosus var. firmus Ectocarpus littoralis var. firmus Ectocarpus littoralis subsp. firmus Ectocarpus firmus Ectocarpus littoralis subsp. oppositus Ectocarpus littoralis var. oppositus Ectocarpus firmus var. rupincola X X Pylaiella rupincola Pylaiella kylini Ceramium ferrugineum Ceramium tomentosum var. ferrugineum Ceramium brachiatum Ectocarpus littoralis var. brachiatus Ectocarpus brachiatus Ectocarpus littoralis var. brachycarpus Ectocarpus littoralis var. compactus Ceramium ferrugineum var. compactum Ectocarpus ferrugineus var. compactus Ectocarpus compactus var. densissimus Ectocarpus siliculosus var. protensus Ectocarpus littoralis var. protensus Ectocarpus littoralis f. pumilus Ectocarpus subverticillatus Ectocarpus littoralis var. ruber Ectocarpus littoralis subsp. [divaricatus] f. ramellosus Pylaiella littoralis f. aegagropila Pylaiella littoralis f. praetorta Pylaiella littoralis f. subsalsa Pylaiella littoralis f. olivacea Pylaiella littoralis f. parvula Pylaiella littoralis f. crassiuscula Pylaiella littoralis f. elongata Pylaiella littoralis f. nebulosa Ectocarpus littoralis subsp. [firmus] f. lividus Ectocarpus littoralis subsp. [firmus] f. subglomeratus 82 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Ectocarpus littoralis subsp. [oppositus] f. rectangulans Ectocarpus littoralis subsp. [firmus] f. pachycarpus Ectocarpus littoralis subsp. [oppositus] f. subverticillatus Lyngbya littoralis X 404 Phaeophyta X 405 Phaeophyta 406 Phaeophyta Pilayella litoralis Kuckuck, 1894 Ralfsia bornetii X X X Ralfsia lucida Ralfsia verrucosa X X X X X S. Lund 1967 X (Areschoug) Areschoug in Fries 1845 X X 144994 Stragularia clavata X X Ralfsia borneti X X X 144998 Cruoria verrucosa 145001 10862 Ralfsia verrucosa var. lignicola Ralfsia verrucosa var. cochlearum 407 Angiospermophyta Angiosper408 mophyta X Ranunculus circinatus X Angiospermophyta Ranunculus reptans 410 Angiospermophyta Ranunculus trichophyllus X X X Ranunculus peltatus 409 X X X X X X X X X X X X X X X X X Sibth. X X X X X X 4719 Schrank s. Linnaeus 12030 Ranunculus peltatus subsp. baudotii (Godr.) C. D. K. Cook Linnaeus 4728 Chaix s.Linnaeus Batrachium trichophyllum (Chaix) Bosch 1850 Ranunculus trychophyllus agg. 411 Angiospermophyta Ranunculus trichophyllus subsp. eradicatus X 412 Chlorophyta Rhizoclonium riparium X X X X X X X X X X X X X X X X X X X X X (Laest.) C. D. K. Cook Ranunculus confervoides (Fr.) Fr. 23523 Ranunculus eradicatus (Roth) Harvey 1849 Conferva riparia 145075 6855 145076 6857 Lola implexa X X X X X X X X X X X X Rhizoclonium implexum X Rhizoclonium kerneri Rhizoclonium kochianum Rhizoclonium kochianum var. kerneri Rhizoclonium panniosum Rhizoclonium salinum Tiresias riparia 413 Chlorophyta Rhizoclonium tortuosum (Dillwyn) Kützing 1845 X X X X Rhizoclonium lubricum Chaetomorpha capillaris Conferva capillaris Lola capillaris X X Chaetomorpha tortuosa Conferva arenosa Conferva arenicola Conferva perreptans Conferva ulothrix Rhizoclonium arenosum Rhizoclonium casparyi Rhizoclonium kerneri f. endozoica 83 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Rhizoclonium kochianum var. arenicola Spongopsis mediterranea Rhizoclonium riparium var. kochianum Rhizoclonium riparium var. casparyi Conferva tortuosa Conferva ligustica Rhizoclonium capillare Rhizoclonium juergensii Rhizoclonium lacustre Rhizoclonium affine Rhizoclonium biforme Rhizoclonium interruptum Lola tortuosa Rhizoclonium arenosum (Carmichael) Kützing, 1849 414 Rhodophyta Rhodochorton purpureum X X X X X X X X X X X X X X X X X X (Lightfoot) Rosenvinge 1900 Rhodochorton tenue 144404 11654 144854 13580 Rhodochorton rothii Byssus purpurea Audouinella purpurea Audouinella islandica Conferva purpurea Trentepohlia purpurea Callithamnion purpureum Byssus rubra Conferva violacea Conferva rothi Callithamnion rothi Ceramium rothi Trentepohlia rothi Thamnidium rothi Rhodochorton purpureum f. rothi Thamnidium intermedium Rhodochorton intermedium Rhodochorton purpureum f. intermedium Rhodochorton parasiticum Rhodochorton islandicum Rhodochorton bisporiferum Thamnidium rothii 415 Rhodophyta Rhodomela confervoides X X X X X X X X X X X X X X X (Hudson) P.C. Silva 1952 Rhodomela subfusca Fucus subfuscus Rhodomela subfusca f. gracilior Rhodomela subfusca var. firmior Fucus variabilis Sphaerococcus confervoides Gigartina subfusca Sphaerococcus subfuscus 84 Rhodomela subfusca f. abyssicola Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Rhodomela confervoides f. abyssicola Rhodomela subfusca f. extrataeniensis Rhodomela confervoides f. gracilis Lophura gracilis Rhodomela subfusca f. gracilis Rhodomela subfusca f. intrataeniensis Rhodomela subfusca f. tenuior Sphaerococcus subfuscus var. tenuior Gigartina subfusca var. tenuior Rhodomela confervoides f. tenuior Rhodomela subfusca var. tenuior Gigartina subfusca var. flaccida Rhodomela subfusca var. flaccida Rhodomela subfusca var. penicillata Rhodomela subfusca f. virgata X Rhodomela virgata Rhodomela confervoides f. virgata Gigartina subfusca var. racemosa 416 Rhodophyta Rhodophyllis divaricata (Stackhouse) Papenfuss 1950 X Bifida divaricata 145617 11978 145774 12224 Fucus bifidus Rhodophyllis appendiculata Rhodophyllis bifida Rhodymenia bifida 417 Rhodophyta Rhodophysema elegans X X X (P.Linnaeus Crouan & H.M. Crouan ex J. Agardh) P.S. Dixon 1964 X Rhodophysema minus Rhododermis elegans Rhododermis elegans f. polystromatica Rhododermis polystromatica Rhodophysema elegans var. polystromatica Peyssonnelia rupestris Rhododermis parasitica 418 Rhodophyta Rhodophysema georgei X X X X Batters 1900 Rhododermis georgei 371031 Rhododermis vanheurckii 419 Bryophyta Rhynchostegium riparioides . X 420 Chlorophyta Rosenvingiella constricta X 421 Chlorophyta Rosenvingiella polyrhiza X X X X X X X X X X (Hedw.) Card (Setchell & N.Linnaeus Gardner) P.C. Silva 1957 Gayella constricta 145801 6406 (Rosenvinge) P.C. Silva 1957 Gayella polyrhiza 145802 6404 Prasiola polyrhiza 422 Chlorophyta Rosenvingiella radicans Angiosper423 mophyta Ruppia cirrhosa X X X X X X X X X X X X X X X X (Petagna) Grande 416218 5112 85 HELCOM Checklist for Baltic Sea Macrophyte Species 425 Chlorophyta Ruthnielsenia tenuis Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Nothern Baltic Proper X X X X X X X X X X X X O P Q X X X X X Linnaeus X (Kylin) C.J. O’Kelly B. Wynsor & W.K. Bellows 2004 X (Linnaeus) C.E. Lane C. Mayes Druehl & G.W. Saunders X 426 Phaeophyta Saccharina latissima X X X X X X X X 234031 Phaeophila tenuis Entocladia tenuis X X X Ulva fasciata Laminaria saccharina Ulva lactuca var. latissima Laminaria saccharina f. linearis Ulva latissima Laminaria faeroensis Laminaria cuneifolia Laminaria phyllopus Laminaria saccharina f. membranacea Fucus saccharinus Laminaria phyllitis Laminaria saccharina var. caperata Laminaria saccharina var. latissima Laminaria saccharina var. linearis Laminaria caperata Laminaria saccharina var. bullata Laminaria saccharina f. bullata Laminaria saccharina var. membranacea Laminaria saccharina f. sublaevis Laminaria saccharina var. sublaevis Laminaria hieroglyphica Ulva maxima Laminaria maxima Laminaria caperata var. lanceolata Laminaria caperata var. obovata Laminaria caperata var. oblonga Laminaria caperata var. eliptica Laminaria faeroensis f. sacchariniformis Laminaria saccharina var. oblonga Laminaria saccharina var. grandis Ulva longissima Laminaria saccharina f. longissima Laminaria saccharina f. latissima Laminaria saccharina f. borealis Fucus phyllitis Laminaria saccharina f. prima Fucus saccharinus var. angusto-bullatus 86 376497 Fucus saccharinus var. latissimus 234483 39063 Floraweb The Sound X N TSN (ITIS) or AlgaeBase (AB) Bay of Mecklenburg X X L M Aphia ID (WoRMS) K Synonyms J Authors/year I Bothnian Bay H Bothnian Sea + The Quark G Archipelago Sea F Aland Sea E Gulf of Finland D Kiel Bay Valid Taxon Name Ruppia maritima C Great Belt + Little Belt Angiospermophyta B Kattegat 424 Higher taxonomic level No Distribution A 5113 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Laminaria longicruris var. faeroensis Laminaria saccharina f. oblonga Laminaria saccharina f. latifolia Laminaria saccharina var. phyllitis Laminaria membranacea Laminaria stackhousei Ceramium phyllitis Ulva phyllitis Palmaria phyllitis Saccharina phyllitis Laminaria saccharina f. caperata Saccharina plana Phycoseris latissima Saccharina bullata Fucus saccharinus var. bullatus Laminaria groenlandica Laminaria saccharina f. phyllitis 427 Angiospermophyta X Sagittaria sagittifolia X X X X Linnaeus X X 428 Rhodophyta Sahlingia subintegra X X X X X 5135 Sagittaria sagittifolia x natans Sagittaria natans Pallas (Rosenvinge) Kornmann Erythrocladia subin1989 tegra 145502 Erythropeltis subintegra Erythrocladia gibber Erythrotrichopeltis subintegra 429 Phaeophyta 430 Rhodophyta Sargassum muticum Scagelia pylaisaei X X X X X (Yendo) Fensholt 1955 Sargassum kjellmanianum f. muticum 145559 11390 (Montagne) M.J.Wynne, 1985 Antithamnion corallina 144691 13200 Antithamnion pylaisaei Callithamnion corallina Callithamnion pylaisaei Callithamnion subnudum Pterothamnion pylaisaei Pterothamnion subnudum X X Scagelia corallina Scagelia pylaisei Scagelia subnuda Wrangelia pylaisaei 431 Rhodophyta Scagelothamnion pusillum X X X X X X (Ruprecht) Athanasiadis 1996 Scagelia pusilla 144693 Callithamnion pusillum Antithamnion boreale var. droebakense X X X X Antithamnion boreale Antithamnion plumula var. boreale Callithamnion lapponicum Antithamnion pusillum X Antithamnion boreale f. balticum Antithamnion corallinum 87 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Antithamnion boreale f. lapponicum Antithamnion boreale f. corallinum 432 Rhodophyta Schmitzia hiscockiana X Maggs & Guiry, 1985 433 Rhodophyta Schmitzia neapolitana X (Berthold) Lagerheim ex P.C. Silva 1959 145603 Bertholdia neapolitana 145604 Calosiphonia neapolitana 434 Angiospermophyta Schoenoplectus lacustris Angiosper435 mophyta Schoenoplectus tabernaemontani 436 Rhodophyta Scinaia furcellata X X X X X X X X X X X X X X X X (Linnaeus) Palla X (C. C. GmeLinnaeus) Palla (Turner) J. Agardh 1851 5359 5360 Scinaia forcellata 145743 11730 145869 11435 144972 10914 144697 13122 Scinaia trigona Ulva furcellata Scinaia pseudocrispa Dumontia interrupta Ginnania furcellata Fucus pseudocrispus Fucus trigonus Halymenia furcellata Scinaia forcellata subsp. scandinavica Scinaia pseudocrispa subsp. scandinavica 437 Phaeophyta Scytosiphon lomentaria X X X X X X X X X X X X X (Lyngbye) Link 1833 Chorda lomentaria Chordaria attenuata X Scytosiphon pygmaeus Ulva simplicissima X X Scytosiphon simplicissimus X Scytosiphon lomentaria var. zostericola Scytosiphon lomentaria f. fistulosus Fucus lomentarius Scytosiphon filum var. lomentarius X X X X Microspongium gelatinosum Reinke 1888 X Scytosiphon lomentaria f. castagneus Asperococcus castagneus Chorda autumnalis Chorda lomentaria var. autumnalis Chorda lomentaria f. autumnalis Chlorosiphon shuttleworthianus 438 Rhodophyta Seirospora interrupta X X (J.E. Smith) F. Schmitz 1893 Callithamnion byssoides f. seirosporifera Callithamnion hormocarpum Callithamnion interruptum Callithamnion seirosperma Callithamnion seirospermum Callithamnion versicolor var. seirospermum Conferva interrupta Seirospora griffithsiana 88 Seirospora hormocarpa HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q X X X X X X 439 Phaeophyta 440 Angiospermophyta Sorapion kjellmanii X Seirospora seirosperma X X Sparganium emersum Angiosper441 mophyta Sparganium erectum Angiosper442 mophyta Sparganium gramineum X Sparganium natans X 443 Angiospermophyta 444 Phaeophyta Spermatochnus paradoxus X X Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A X X X X X (Wille) Rosenvinge 1898 X Rehmann X Linnaeus s. Linnaeus Lithoderma kjellmanii 5715 5716 X Georgi Sparganium gramineum Wallr. X Linnaeus Sparganium minimum Wallr. (Roth) Kützing 1843 Conferva paradoxa X 145479 24126 145008 11011 144702 13124 Chordaria rhizodes var. paradoxa Chordaria paradoxa Scytosiphon paradoxus Sporochnus rhizodes var. paradoxus Stilophora paradoxa Stilophora lyngbyei 445 Rhodophyta Spermothamnion repens X X X X X (Dillwyn) Rosenvinge 1924 X Spermothamnion repens f. turneri Spermothamnion turneri Ceramium turneri Conferva turneri Callithamnion turneri Callithamnion roseolum Spermothamnion turneri var. roseolum Spermothamnion turneri var. repens X Spermothamnion roseolum X Spermothamnion turneri f. repens Callithamnion repens var. tenellum Conferva tenella Ceramium repens var. tenellum Ceramium roseolum Spermothamnion repens f. roseolum Spermothamnion turneri f. roseolum Spermothamnion repens var. turneri X 446 Phaeophyta Sphacelaria arctica X X X X X X X X X X X X X X X X X Harvey 1858 Sphacelaria racemosa var. arctica 145889 Sphacelaria racemosa f. arctica Sphacelaria racemosa f. notata Sphacelaria clevei Sphacelaria notata Sphacelaria intermedia Sphacelaria cirrosa [cirrhosa] f. corticataradicans Sphacelaria cirrosa [cirrhosa] var. notata 447 Phaeophyta Sphacelaria caespitula X X X X X X Lyngbye 1819 Sphaceloderma helgolandicum 145891 11113 Sphacelaria helgolandica 448 Phaeophyta Sphacelaria cirrosa X X X 449 Phaeophyta Sphacelaria nana X X X X X X X X X X X X X (Roth) C. Agardh, 1824 X X Nägeli ex Kützing 1855 145892 Sphacelaria britannica 145895 89 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Sphacelaria saxatilis Sphacelaria furcigera var. saxatilis 450 Phaeophyta Sphacelaria plumigera X X X X X X X X X X X X X Holmes ex Hauck 1884 Sphacelaria plumigera var. patentissima 145896 Sphacelaria racemosa f. pinnata 451 Phaeophyta Sphacelaria plumosa X X X X X X X Lyngbye 1819 Chaetopteris plumosa 145897 11106 Cladostephus plumosus Ceramium pennatum Sphacelaria plumosa var. divaricata Sphacelaria heteronema 452 Phaeophyta Sphacelaria plumula X 453 Phaeophyta Sphacelaria radicans X Zanardini 1865 X X X X X X X X X X X X (Dillwyn) C. Agardh 1824 X 145898 Conferva radicans 145900 11111 Sphacelaria olivacea Sphacelaria olivacea var. radicans Conferva olivacea Sphacelaria radicans f. aegagropila Sphacelaria cirrosa [cirrhosa] var. simplex 454 Phaeophyta Sphacelaria reticulata X X 455 Phaeophyta Sphacelaria rigidula X X X X X X X Lyngbye in Hornemann 1818 Sphacelaria cirrosa Kützing 1843 Sphacelaria furcigera 145901 Disphacella reticulata 145902 11116 Sphacelaria caespitosa Sphacelaria expansa Sphacelaria iridaeophytica Sphacelaria iwagaskensis Sphacelaria linearis Sphacelaria variabilis Sphacelaria olivacea var. solitaria Sphacelaria apicalis 456 Phaeophyta Sphacelaria solitaria X Kylin 1947 Sphacelaria divaricata f. japonica 145903 Sphacelaria shiiyaensis Sphacelaria viridis 457 Phaeophyta Sphacelaria tribuloides X 458 Phaeophyta Sphaerotrichia divaricata X Meneghini 1840 X X X X (C. Agardh) Kylin 1940 Sphacelaria rigida 145904 11114 Chordaria divaricata 144931 10991 Sphaerotrichia japonica Chordaria firma Castagnea divaricata Nemacystus divaricatus 459 Angiospermophyta X Spirodela polyrhiza 460 Charophyta Spirogyra sp. 461 Chlorophyta Spongomorpha aeruginosa X X X X X X (Linnaeus) Schleid. X X X X X 5748 X X X X X (Linnaeus) Hoek 1963 Spongomorpha congregata Conferva congregata Spongomorpha uncialis Cladophora pallida Cladophora uncialis Conferva lanosa X Spongomorpha lanosa Spongomorpha lanosa var. uncialis 90 Cladophora lanosa var. uncialis 144413 6735 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Spongomorpha pallida Acrosiphonia pallida Conferva aeruginosa Cladophora bombycina Conferva uncialis Acrosiphonia lanosa Acrosiphonia bombycina 462 Phaeophyta Spongonema tomentosum X X X X X X X X X (Hudson) Kützing 1849 Herponema luteolum 145459 10782 11417 Conferva tomentosa Ectocarpus luteolus Ectocarpus minimus Ceramium tomentosum Chordaria tomentosa X X Ectocarpus tomentosus var. clavatus X Streblonema luteolum Streblonema minimum 463 Phaeophyta 464 Phaeophyta Sporochnus pedunculatus Stictyosiphon soriferus X (Hudson) C. Agardh 1820 Fucus pedunculatus 145915 X (Reinke) Rosenvinge in Rosenvinge & Lund 1935 Kjellmania arasakii 145354 X X X X X X X Kjellmania sorifera Kjellmania striarioides 465 Phaeophyta Stictyosiphon tortilis X X X X X X X X X X X X X X X (Ruprecht) Reinke 1889 Scytosiphon tortilis 145355 11023 Phloeospora tortilis Dictyosiphon tortilis Phloeospora pumila 466 Chlorophyta Stigeoclonium protensum 467 Chlorophyta Stigeoclonium tenue X X X X X (Dillwyn) Kützing 1845 Conferva protensum (C. Agardh) Kützing 1843 Draparnaldia tenuis 422903 Myxonema tenue 468 Phaeophyta Stilophora nodulosa X X X X (C. Agardh) P.C. Silva in Silva Basson & Moe 1996 X Stilophora tuberculosa 146283 Ceramium tuberculosum Chaetophora nodulosa Chordaria nodulosa Castagnea tuberculosa Chordaria tuberculosa Stilophora tuberculosa f. corniculata Stilophora tuberculosa f. gracilior 469 Phaeophyta Stilophora tenella X X X X X X (Esper) P.C. Silva in P.C.Silva Basson & R.LinnaeusMoe 1996 X X X X X Fucus tenellus 145009 Stilophora rhizodes Fucus rhizodes Ceramium rhizodes Chordaria rhizodes Sporochnus rhizodes Fucus rhizodes var. tenuior Chordaria rhizodes var. simplex Conferva gracilis Dictyota papillosa Zonaria papillosa Dictyota rhizoides Spermatochnus papillosus 470 Phaeophyta Stragularia clavata X X X X X X (Harvey) G. Hamel 1931 Ralfsia clavata 145002 91 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Ralfsia disciformis Ralfsia tenuis Myrionema clavata Myrionema henschei Stragularia adhaerens 471 Phaeophyta Streblonema fasciculatum X X 472 Phaeophyta Streblonema infestans X X 473 Phaeophyta Striaria attenuata X X X Thuret, 1863 X X X X 145463 (H. Gran) Batters 1902 Endodictyon infestans 145464 (C. Agardh) Greville Striaria attenuata f. ramosissima 145356 11028 Striaria attenuata f. crinita Striaria attenuata f. fragilis Striaria fragilis Striaria attenuata var. crinita Carmichaelia attenuata Striaria attenuata f. tenuissima Enteromorpha attenuata Dictyota lineolata Zonaria lineolata 474 Chlorophyta Stromatella monostromatica X X X X 475 Rhodophyta Stylonema alsidii X X X X X X X (P.J.Linnaeus Dangeard) Kornmann & Sahling Ulvella monostromatica 1985 144881 (Zanardini) K.M. Drew 1956 145688 Goniotrichum alsidii Goniotrichum elegans Stylonema alsidii var. strictum Bangia alsidii Bangia elegans Goniotrichum dichotomum Stylonema elegans Porphyra elegans Hormospora elegans Callonema elegans 476 Phaeophyta Stylonema cornucervi 477 Phaeophyta Stypocaulon scoparium X Reinsch, 1875 X (Linnaeus) Kützing 1843 X X X X X X X 145689 Halopteris scoparia Stypocaulon spinulosum Stypocaulon scoparium var. scoparioides Sphacelaria scoparioides Conferva scoparia Sphacelaria scoparia Sphacelaria scoparia f. aestivalis Sphacelaria scoparia var. aestivalis Sphacelaria scoparia f. hiemalis Sphacelaria scoparia var. hiemalis Stypocaulon scoparium f. spinulosum Halopteris scoparia f. spinulosa X Sphacelaria spinulosa Halopteris spinulosa 92 Stypocaulon scoparium f. petentissimum 145907 183010 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Halopteris spinulosa var. petentissima 478 Angiospermophyta X Subularia aquatica 479 Phaeophyta Symphyocarpus strangulans X X 480 Chlorophyta Syncoryne reinkei X X 481 Chlorophyta Tellamia contorta X X X X Linnaeus 5812 Rosenvinge 1893 X X 145870 R. Nielsen & P.M. Pedersen 1977 X X Batters 1895 10870 144883 Entocladia intricata 144884 6718 Tellamia intricata 482 Phaeophyta Tilopteris mertensii X X (Turner) Kützing 1849 Conferva mertensi 145919 Ectocarpus mertensi 483 Rhodophyta Titanoderma corallinae (P.Linnaeus Crouan & H.M. Crouan) Woelkerling Y.M. Chamberlain & P.C. Silva 1985 X X X Dermatolithon corallinae 146392 Lithophyllum corallinae Melobesia corallinae Dermatolithon pustulatum var. corallinae Lithophyllum pustulatum var. corallinae Lithophyllum macrocarpum f. corallinae 584 Charophyta 485 Rhodophyta Tolypella nidifica X X X X X X X X X X X X X X X X X Tsengia bairdii (O.F. Müller) Leonhardi 1857 Conferva nidifica 416187 (Farlow) K.C. Fan & Y.P. Fan 1962 Nemastoma bairdii 145649 X 486 Angiospermophyta Platoma bairdii X Typha angustifolia Angiosper487 mophyta Typha latifolia 488 Chlorophyta Ulothrix flacca X X X X X X X X X X X X X X X X X X X X X Linnaeus 6126 Linnaeus 6127 (Dillwyn) Thuret in Le Jolis 1863 X Ulothrix pseudoflacca 145925 6418 145927 6419 Ulothrix consociata Lyngbya flacca Ulothrix islandica Conferva flacca Ulothrix scutata Ulothrix consociata var. islandica Lyngbya carmichaelii Hormotrichum fasciculare 489 Chlorophyta X Ulothrix implexa X X X X (Kützing) Kützing 1849 Ulothrix acrorhiza Hormiscia implexa Hormidium implexum 490 Chlorophyta Ulothrix speciosa X X X X X (Carmichael) Kützing 1849 X Urospora speciosa 145930 Lyngbya speciosa Conferva speciosa Hormotrichum speciosum 491 Chlorophyta Ulothrix subflaccida 492 Chlorophyta Ulothrix tenerrima X X X X X X X X X X X X X X Wille 1901 (Kützing) Kützing 1843 Conferva tenerrima 145931 6424 145932 6430 145934 6431 Hormiscia subtilis var. variabilis MIcrospora tenerrima X Ulotrix subtilis Ulothrix subtilis var. tenerrima Ulothrix variabilis 493 Chlorophyta Ulothrix zonata X X X X X X X X X (Weber & Mohr) Kützing 1843 Conferva zonata Hormiscia zonata Ingenhouzella zonata Lyngbya zonata 93 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga X X X X X X X X X N O P Q X X X Oscillatoria torta 494 Chlorophyta Ulva clathrata X (Roth) C. Agardh 1811 Enteromorpha clathrata 156078 Enteromorpha crinita X X Enteromorpha ramulosa X Conferva crinita Enteromorpha muscoides Enteromorpha welwitschii Enteromorpha ramulosa var. tenerrima Ulva ramulosa Enteromorpha ramulosa var. robusta Enteromorpha clathrata var. crinita Conferva clathrata Enteromorpha gelatinosa Enteromorpha ramulosa var. spinosa Enteromorpha clathrata var. linkiana Enteromorpha clathrata var. uncinata Enteromorpha clathrata var. prostrata Enteromorpha linkiana Enteromorpha paradoxa var. tenuissima Enteromorpha clathrata var. gracilis Enteromorpha spinescens Ulva muscoides Enteromorpha complanata var. crinita Enteromorpha prolifera var. crinita Ulva clathrata f. prostrata Enteronia clathrata Ulva clathrata f. gracilis Ulva linkiana Zignoa ramulosa Enteromorpha clathrata f. gracilis Enteromorpha clathrata f. linkiana Enteromorpha clathrata var. mucosa Enteromorpha clathrata var. ramulosa 495 Chlorophyta Ulva compressa X X X X X X X X X X X X X X Linnaeus 1753 Enteromorpha compressa Enteromorpha compressa f. complanata Enteromorpha complanata Enteromorpha compressa var. complanata Enteromorpha chlorotica Enteromorpha intestinalis subsp. compressa Conferva compressa Enteromorpha vulgaris var. compressa 94 Enteronia compressa 234462 6522 Floraweb Great Belt + Little Belt X L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A Fistularia compressa Fistularia intestinalis var. compressa Hydrosolen compressus Ilea compressa Scytosiphon compressus Solenia compressa Tubularia compressa Ulva enteromorpha var. compressa Enteromorpha intestinalis var. compressa 496 Chlorophyta Ulva curvata X X X (Kützing) De Toni 1889 Phycoseris curvata 145981 6578 Ulva kuckuckiana 497 Chlorophyta Ulva flexuosa X X X X X X X X X X X X X X X X Wulfen 1803 X X X X Enteromorpha lingulata 234468 Enteromorpha flexuosa Enteromorpha tubulosa Conferva flexuosa Enteromorpha intestinalis var. tubulosa Enteromorpha prolifera var. tubulosa Enteromorpha intestinalis f. tubulosa Enteromorpha tubulosa var. ramosa Enteromorpha intermedia Enteromorpha intestinalis var. capillaris X X Enteromorpha pilifera Enteromorpha prolifera f. capillaris Enteromorpha flexuosa subsp. pilifera 498 Chlorophyta Ulva flexuosa paradoxa X (C. Agardh) M.J. Wynne, 2005 X X 499 Chlorophyta Ulva intestinalis X X X X 382510 Enteromorpha erecta X X Enteromorpha flexuosa ssp. paradoxa X X Ulva paradoxa X X X X X X X X X X X X Linnaeus 1753 Enteromorpha intestinalis 234471 6536 6562 Enteromorpha intestinalis f. maxima Enteromorpha compressa var. intestinalis Conferva intestinalis Enteromorpha vulgaris var. lacustris Enteronia simplex Fistularia intestinalis Hydrosolen intestinalis Ilea intestinalis Solenia intestinalis Tetraspora intestinalis Ulva bulbosa var. intestinalis Ulva enteromorpha var. intestinalis Enteromorpha intestinalis var. maxima Scytosiphon intestinalis var. nematodes Scytosiphon intestinalis Enteromropha intestinalis 500 Chlorophyta Ulva lactuca X X X X X X 501 Chlorophyta Ulva linza X X X X X X X X X X Linnaeus 1753 Ulva lactucaefolia 145984 Linnaeus 1753 Enteromorpha linza 234474 95 HELCOM Checklist for Baltic Sea Macrophyte Species Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga N O P Q Ulva bertolonii Enteromorpha linza f. lanceolata Enteromorpha linza var. angusta Enteromorpha bulbosa var. japonica Ulva linza var. lanceolata Ulva linza var. angusta Ulva lanceolata Enteromorpha bertolonii var. lanceolata Ulva crispata Phycoseris crispata Enteromorpha bertolonii Enteronia linza X Phycoseris linza Ulva procera (K. Ahlner) Hayden Blomster Maggs P.C. Silva M.J. Stanhope & J.R. Waaland X X X X X X X X X X X X X X X X 234461 Enteromorpha ahlneriana X Enteromorpha procera Enteromorpha procera var. minuta Solenia linza Ulva intybacea Scytosiphon intestinalis var. plynthodes 502 Chlorophyta Ulva prolifera X X X X X X X X X X X X X X X O.F. Müller in Oeder 1778 Enteromorpha prolifera 234476 Enteromorpha salina Enteromorpha salina var. polyclados Enteromorpha compressa var. trichodes Enteromorpha polyclados Enteromorpha compressa var. prolifera 503 Chlorophyta Ulva simplex (K.Linnaeus Vinogradova) Hayden Blomster Maggs P.C. Silva M.J. Stanhope & J.R. Waaland 2003 X Enteromorpha simplex 234480 Enteromorpha prolifera f. simplex 504 Chlorophyta Ulva torta X X X X X X X (Mertens) Trevisan 1841 Enteromorpha torta 234481 Conferva torta Bangia torta Prasiola crispa f. torta Schizogonium tortum 505 Chlorophyta Ulvaria splendens X X X X X (Ruprecht) Vinogradova, 1979 Ulvaria fusca Ruprecht 1850 494992 Ulva fusca Monostroma splendens Monostroma fuscum Monostroma fuscum var. splendens 506 Chlorophyta Ulvella lens X X X X P.Linnaeus Crouan & H.M. Crouan 1859 Ulvella applanata 144886 Pseudulvella applanata 96 507 Chlorophyta Ulvella setchellii X 508 Chlorophyta Uronema curvatum X P.J.Linnaeus Dangeard, 1931 X K.H.O. Printz 144888 6630 Floraweb Great Belt + Little Belt L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A HELCOM Checklist for Baltic Sea Macrophyte Species 509 Chlorophyta Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga 510 Chlorophyta Urospora neglecta X X 511 Chlorophyta Urospora penicilliformis X X X X N O P Q X (Harvey) Holmes & Batters 1891 X (Kornmann) Lokhorst & Trask 1981 Hormiscia neglecta 144419 (Roth) Areschoug 1866 Urospora mirabilis 144420 6741 144421 6739 X X X X X X X X X X X X X Floraweb Great Belt + Little Belt Urospora bangioides L M TSN (ITIS) or AlgaeBase (AB) K Aphia ID (WoRMS) J Synonyms I Authors/year H Bothnian Bay G Bothnian Sea + The Quark F Archipelago Sea E Aland Sea D Gulf of Finland C Nothern Baltic Proper B Kattegat Valid Taxon Name Higher taxonomic level No Distribution A 162545 Conferva peniciliformis Hormiscia penicilliformis Codiolum penicilliforme Conferva youngana Urospora isogona Conferva isogona 512 Chlorophyta Urospora wormskioldii X X X (Mertens ex Hornemann) Rosenvinge 1893 X Conferva wormskioldii Codiolum nordenskjoldianum Urospora vancouveriana Urospora collabens Conferva collabens Codiolum cylindricum Urospora wormskioldii f. vancouveriana 513 Angiospermophyta Vaucheria sp. 515 Xanthophyta Vaucheria arcassonensis 516 Xanthophyta X Utricularia vulgaris 514 Xanthophyta Vaucheria compacta X X X X X X X Linnaeus X P.J.LinnaeusDangeard, 1939 X (F.S. Collins) F.S. Collins ex W.R. Taylor in Taylor 1937 X X X X 6157 146017 Vaucheria piloboloides var. compacta 146019 2089 146020 2090 Vaucheria sphaerospora var. dioica 517 Xanthophyta Vaucheria coronata X X X 518 Xanthophyta Vaucheria dichotoma X X X X X X X X X X Nordstedt 1879 X X X X X (Linnaeus) Martius 1817 Conferva dichotoma 146021 Vaucheria pyrifera Vaucheria starmachii 519 Xanthophyta Vaucheria erythrospora X X X X T.A. Christensen 1956 520 Xanthophyta Vaucheria intermedia X X X X X X 521 Xanthophyta Vaucheria litorea X X X X X X X X X X X X P.Linnaeus Crouan & H.M. Crouan 1867 522 Xanthophyta Vaucheria medusa X X 523 Xanthophyta Vaucheria sescuplicaria X X 524 Xanthophyta Vaucheria subsimplex X X X X 525 Xanthophyta Vaucheria synandra X X 526 Xanthophyta Vaucheria velutina X X 527 Rhodophyta Vertebrata lanosa X X X X X Vaucheria hamata f. salina 146022 Nordstedt 1879 146023 Hofman & Agardh ex C. Agardh 1823 146024 X T.A. Christensen 1952 146025 X T.A.Christensen, 1952 X X X 2091 146029 Vaucheria sphaerospora Woronin 1869 X 2096 146030 146031 C. Agardh 1824 Vaucheria thuretii 146032 (Linnaeus) T.A. Christensen, 1967 Polysiphonia lanosa (Linnaeus) Tandy 1931 475211 Ceramium fastigiatum Polysiphonia fastigiata X Vertebrata lanosa Fucus lanosus Vertebrata fastigiata Hutchinsia fastigiata Conferva omissa Angiosper528 mophyta Zannichellia palustris X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X (Linnaeus) 416222 6448 Zannichellia palustris subsp. major (Hartm.) Ooststr. & Reichg. Zannichellia palustris subsp. palustris 6449 97 98 531 Charophyta 530 529 Angiospermophyta Angiospermophyta Zygnema sp. Zostera noltii Zostera marina No Higher taxonomic level Valid Taxon Name G X L M X Aland Sea N X Archipelago Sea O X Bothnian Sea + The Quark P X Bothnian Bay Q X X Linnaeus 1753 Hornemann Authors/year Zannichellia palustris subsp. pedicellata (Wahlenb. & Rosén) Arcang. Zostera marina subsp. angustifolia Synonyms 145795 39074 145796 Aphia ID (WoRMS) TSN (ITIS) or AlgaeBase (AB) 6450 6453 6454 Floraweb Distribution X Gulf of Finland X X Nothern Baltic Proper HELCOM Checklist for Baltic Sea Macrophyte Species F Gulf of Riga K E Gulf of Gdańsk J D I C H B Eastern Gotland Basin X A Western Gotland Basin X X Bornholm Basin X X Arkona Basin X The Sound X Bay of Mecklenburg X X X Kiel Bay X X Great Belt + Little Belt X X X X X X X Kattegat 7.2 Checklist for Baltic Sea benthic invertebrate species Abietinaria abietina 1 Hydrozoa Leptothecata Sertulariidae 2 Insecta Diptera Ablabesmyia longistyla Ablabesmyia Chironomidae monilis Ablabesmyia Chironomidae phatta Abludomelita Melitidae obtusata 3 Insecta Diptera 4 Insecta Diptera Chironomidae (Linnaeus, 1758) 117870 - (Linnaeus, 1758) - 117524 - 128107 (Eggert, 1863) - (Montagu, 1813) 102788 206459 Amphipoda 6 Bivalvia Euheterodonta incertae sedis Semelidae Abra alba (Wood W., 1802) 141433 81306 7 Bivalvia Euheterodonta incertae sedis Semelidae Abra nitida (O.F. Müller, 1776) 141435 81314 8 Bivalvia Euheterodonta incertae sedis Semelidae 141436 81305 Eunicida Abyssoninoe Lumbrineridae hibernica 146469 - 10 Polychaeta Eunicida Abyssoninoe Lumbrineridae scopa 130223 - 11 Bivalvia Euheterodonta incertae sedis Cardiidae Acanthocardia echinata (Linnaeus, 1758) 138992 80927 12 Gastropoda Nudibranchia Onchidorididae Acanthodoris pilosa (Abildgaard in Müller, 1789) 140627 78359 13 Hydrozoa Anthoathecata Acaulidae Acaulis primarius Stimpson, 1854 117260 49468 14 Insecta Lepidoptera Pyralidae Acentria ephemerella 15 Malacostraca Amphipoda Lysianassidae s.l. Acidostoma nodiferum 16 Malacostraca Amphipoda Lysianassidae s.l. Acidostoma obesum 17 Insecta Coleoptera Dytiscidae Acilius canaliculatus (Nicolai, 1822) - Aclis minor (Brown, 1827) 138681 - Aclis walleri (Jeffreys, 1867) 138686 72401 Acricotopus lucens Acroloxus lacustris (Zetterstedt, 1850) (Linnaeus, 1758) (Linnaeus, 1758) 181590 - 138691 76051 (Linnaeus, 1758) 100803 52596 (Alder & 140629 Hancock, 1854) 78373 (Krøyer, 1843) 9 Polychaeta 18 Gastropoda 19 Gastropoda [unassigned] Aclididae Caenogastropoda [unassigned] Aclididae Caenogastropoda 20 Insecta Diptera Chironomidae 21 Gastropoda Basommatophora Acroloxidae 22 Gastropoda Cephalaspidea Acteonidae Acteon tornatilis (Denis & Schiffermüller, 1775) (Stephensen, 1923) (Bate & Westwood, 1861) - - - 24 Gastropoda Nudibranchia Onchidorididae Adalaria proxima 25 Malacostraca Amphipoda Caprellidae Aeginina longicornis 101820 95432 26 Gastropoda Nudibranchia Aeolidiidae Aeolidia papillosa (Linnaeus, 1761) 138709 78728 27 Gastropoda Nudibranchia Aeolidiidae Aeolidiella glauca Naidomorpha Aeolosomatidae Aeolosoma hemprichi Aequipecten opercularis (Alder & 138711 205339 Hancock, 1845) Ehrenberg, - 68427 1828 (Linnaeus, 140687 79716 1758) (Linneaus, 1758) (Linnaeus, - 185981 1758) 29 Bivalvia Ostreoida Pectinidae 30 Insecta Odonata Aeshnidae Aeshna grandis 31 Insecta Odonata Aeshnidae Aeshna juncea 32 Insecta Odonata Aeshnidae Aeshna mixta Latreille, 1805 - 593386 33 Insecta Odonata - Aeshnidae Aeshna serrata Hagen, 1856 34 Gymnolaemata Cheilostomatida Aeteidae Aetea anguina (Linnaeus 1758) 111062 155803 35 Gymnolaemata Cheilostomatida Aeteidae Aetea sica 36 Gymnolaemata Cheilostomatida Aeteidae Aetea truncata 37 Insecta Dytiscidae Agabus bipustulatus (Couch,1844) 111066 155805 (Landsborough, 111067 155804 1852) (Linnaeus, 1767) (Gyllenhal, 1808) (Langerhans, 130343 1880) 38 Insecta Coleoptera Dytiscidae Agabus sturmii 39 Polychaeta Phyllodocida Nephtyidae Aglaophamus agilis Synonymised taxa First record (neobiota) Others ZipcodeZoo Fauna Europaea Freshwater (F) F Scrobicularia alba Wood, 1802; Syndosmya alba (W. Wood, 1802) Abra nitida (O.F. Müller, 1789); Syndosmya nitida (O.F. Müller, 1789) Abyssinoe scopa aequilobata (Winsnes, 1881); Acanthocardia echinatum Linnaeus, 1758; Acanthocardia mucronata (Poli, 1791); Cardium echinatum Linnaeus, 1758 Doris pilosa Müller, 1789 50774 367293 Acaulis primaris Stimpson, 1853 freshwater species; Syn: F Acentropus niveus Olivier, 1791 Acidostoma neglectum (Bate & Westwood, 1861); 4767 119189 - F Chironomus lucens Zetterstedt, 1850 Patella lacustris Linnaeus, F 1758 - 128464 Actiniidae Coleoptera 284984 102497 202951 Actiniaria 28 Aphanoneura F 102496 202950 23 Anthozoa Actinia equina 284974 F - 439955 5 Malacostraca Abra prismatica Sertularia abietina Linnaeus, 1758; Sertularia abietinula Dalyell, 1847 49946 Fittkau, 1962 (Montagu, 1808) (Mc Intosh, 1903) (Fauchald, 1974) sensu Miura 1980 Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species F Actinia mesembryanthemum Ellis & Solander, 1786 Doris proxima Alder & Hanckock, 1854 Aeolis papillosa Linnaeus, 1761 F 1614 214304 F Aeschna juncea (Linnaeus, 1758) Aeschna mixta Latreille, F 1805 Aeshna osiliensis F Mierzejewski, 1913 F 31758 214309 4701 119351 F Agabus solieri Aubé, 1837 4717 119327 F Aglaophamus rubella (Michaelsen, 1897) 99 40 Polychaeta Phyllodocida Nephtyidae 41 Insecta Trichoptera Hydroptilidae 42 Insecta Trichoptera Hydroptilidae (Rainer, 1990) F Curtis, 1835 - 115885 F (Fabricius, 1793) - 605916 F Trichoptera Phryganeidae Trichoptera Phryganeidae 48 Malacostraca Tanaidacea Paratanaoidea Akanthophoreus (Kroyer, 1842) incertae sedis gracilis 49 Gastropoda Aplysiomorpha Akeridae Akera bullata 50 Clitellata Haplotaxida Tubificidae Aktedrilus monoKnöllner, 1935 spermathecus 51 Clitellata Rhynchobdellida Glossiphoniidae Glossiphoniidae Glossiphoniidae Alboglossiphonia heteroclita Alboglossiphonia hyalina Alboglossiphonia striata Alcyonidium albidum 138734 78019 137507 - (Linnaeus, 1761) - 69389 (O.F. Müller, 1774) - - 443569 196032 F (Apáthy, 1888) - - 705822 - F Müller O.F., 1776 Alder, 1857 (Hudson, 1778) 56 Gymnolaemata Ctenostomatida Alcyonidiidae (Linnaeus, 1761) 111600 155487 57 Gymnolaemata Ctenostomatida Alcyonidiidae 58 Gymnolaemata Ctenostomatida Alcyonidiidae 59 Gymnolaemata Ctenostomatida Alcyonidiidae Alcyonidium gelatinosum Alcyonidium hirsutum Alcyonidium mamillatum Alcyonidium parasiticum 111597 201334 Fleming, 1828 111601 155495 Alder, 1857 111602 155477 Alcyonidium gelatinosum var. lacourti d’Hondt, 1983; Alcyonidium proliferans Lacourt, 1949; Alcyonidium topsenti Roehrich, 1910; Fucus gelatinosus Hudson, 1762; Ulva diaphana Hudson, 1778 Alcyonidium reticulum Ryland & Porter, 2000; (Fleming, 1828) 111604 155483 60 Gymnolaemata Ctenostomatida Alcyonidiidae Alcyonidium polyoum 61 Anthozoa Alcyonacea Alcyoniidae (Linnaeus, 1758) 125333 52021 62 Anthozoa Alcyonacea Alcyoniidae Alcyonium digitatum Alcyonium glomeratum (Hassal, 1843) 132159 52022 63 Gastropoda Sacoglossa Stiligeridae Alderia modesta (Lovén, 1844) 141555 78104 64 Gymnolaemata Cheilostomatida Calloporidae Alderina imbellis Hincks, 1860 65 Polychaeta Phyllodocida Nereididae Alitta succinea (Frey & 234850 Leuckart, 1847) - 66 Polychaeta Phyllodocida Nereididae Alitta virens (M. Sars, 1835) - Rissoidae Synonymised taxa 111594 155493 Alcyonidium diaphanum Littorinimorpha Phryganea obsoleta Hagen, 1864 Leptognathia gracilis (Kröyer, 1842); Leptognathia hanseni Vanhoffen, 1907; Leptognathia sarsi Hansen, 1909 Acera bullata O.F. Müller, 1776 Actedrilus monospermathecus Knöllner, 1935; Phallodrilus monospermathecus (Knöllner, 1935) Glossiphonia heteroclita F (Linnaeus, 1761) - Alcyonidiidae 69 Gastropoda F 136340 55 Gymnolaemata Ctenostomatida Ampharetidae Alkmaria romijni Freshwater (F) - 605911 46 Insecta Rissoidae First record (neobiota) (Hagen, 1864) 47 Insecta Terebellida Others F Phryganeidae Littorinimorpha ZipcodeZoo F - 608699 Trichoptera 68 Gastropoda Fauna Europaea - 115638 McLachlan, 1876 45 Insecta 67 Polychaeta Bio. Sys. Datab.World Diptera (Curtis, 1834) Hydroptilidae Alcyonidiidae Bio Lib - 606358 Phryganeidae Rhynchobdellida TSN (ITIS) (Eaton, 1873) Trichoptera Rhynchobdellida Nephtys pulchra Rainer, 1990 Agraylea fraterna Banks, F 1907 - - 115636 Trichoptera 53 Clitellata 547398 Curtis, 1834 43 Insecta 52 Clitellata AphiaID (WoRMS) Author /Year Valid Taxon Name Aglaophamus pulcher Agraylea multipunctata Agraylea pallicornis Agraylea sexmaculata Agrypnetes crassicornis Agrypnia obsoleta Agrypnia pagetana Agrypnia varia 44 Insecta 54 Gymnolaemata Ctenostomatida 100 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species (Hassall, 1841) 153717 155476 Horst, 1919 Alvania subsoluta (Aradas, 1847) (Aradas & Alvania testae Maggiore, 1844) Alcyonidium gelatinosum (Linnaeus, 1761) partim; Alcyonidium mytili Dalyell, 1848 partim; Alcyonidium hirsutum (Fleming, 1828) partim Alderia amphibia Allmann, 1845; Stiliger modestus Loven, 1844 111184 155964 234851 129769 204597 Neanthes succinea (Frey & Leuckart, 1847); Nereis (Neanthes) succinea Frey & Leuckart, 1847; Nereis reibischi Heinen, 1911 Neanthes virens (M. Sars, 1835); Nereis (Neanthes) virens Sars, 1835; Nereis southerni Abdel-Moez & Humphries, 1955; Nereis grandis Stimpson, 1865; Nereis yankiana Quatrefages, 1865 Alcmaria romijni Horst, 1919 141247 205016 141251 - Alvania abyssicola (Forbes, 1850); 70 Polychaeta Terebellida Terebellidae 71 Gastropoda Hypsogastropoda Naticidae 72 Malacostraca Amphipoda 73 Malacostraca Amphipoda Amphipoda Amphipoda 76 Malacostraca Amphipoda 77 Malacostraca Amphipoda 78 Polychaeta Terebellida 79 Polychaeta Terebellida Ampharetidae 80 Polychaeta Terebellida 81 Polychaeta Terebellida 83 Gymnolaemata Cheilostomatida Haplotaxida 101891 93343 (Costa, 1853) 101896 202641 Ampelisca assimilis; Liljeborg, 1852 101908 93322 Ampelisca latipes Stephensen, 1925 (Boeck, 1861) 101928 93341 93342 67735 Ampharete baltica Eliason, 1955 129776 67743 Ampharetidae Ampharete falcata Eliason, 1955 129777 204585 Ampharetidae Ampharete finmarchica (M. Sars, 1864) 129778 67741 (Hincks, 1877) 111186 - (Busk, 1854) 111187 155933 Amphiblestrum auritum Amphiblestrum Calloporidae flemingii Amphichaeta Naididae leydigi Amphichaeta Naididae sannio Amphicteis Ampharetidae gunneri Calloporidae Tauber, 1879 F 137477 68983 F (M. Sars, 1835) 129784 67747 Terebellida Terebellida Ampharetidae Amphicteis midas (Gosse, 1855) 88 Polychaeta Terebellida Pectinariidae Amphipoda 93 Malacostraca Amphipoda (O.F. Müller, 1776) 152448 67695 Esper, 1794 150225 - (Montagu, 1818) 168344 Chalinula ovulum Schmidt, 1870; Corybas lobatus (Montagu, 1818); Esperiopsis lobata (Montagu, 1818); Mycale lobata (Montagu, 1818); Mycale ovulum (Schmidt, 1870); Spongia lobata Montagu, 1818 - (Ljungman, 1865) 125057 206826 Sars, 1892 101960 202751 94 Malacostraca Amphipoda 95 Ophiuroidea Ophiurida 96 Polychaeta Terebellida 97 Polychaeta Terebellida 98 Ophiuroidea Ophiurida 99 Ophiuroidea Ophiurida Amphiuridae Amphiura filiformis (O.F. Müller, 1776) 100 Malacostraca Amphipoda Ampithoidae Ampithoe rubricata 101 Insecta Trichoptera Limnephilidae Anabolia laevis (Montagu, 1808) (Zetterstedt, 1840) Anapagurus chiroacanthus Anapagurus laevis Liljeborg, 1856 107215 97857 Bell, 1845 107218 97858 Ancula gibbosa (Risso, 1818) 140029 78407 Amphichaeta leydigi Tauber, 1879 partim Crossostoma midas Gosse, 1855 Pectinaria auricoma (O.F. Müller, 1776) 129785 204587 Amphilepis norvegica Amphilochoides Amphilochidae boecki Amphilochoides Amphilochidae serratipes Amphilochus Amphilochidae manudens Amphipholis Amphiuridae squamata Amphitrite Terebellidae cirrata Amphitrite Terebellidae johnstoni Amphiuridae Amphiura chiajei Amphilochoides odontonyx (Sars, 1892) (Norman, 1869) 101963 202754 (Bate, 1862) (Delle Chiaje, 1828) (O. F. Müller, 1771 in 1776) Malmgren, 1865 Forbes, 1843 101967 93389 125064 157676 131474 67901 155107 67904 125073 157727 Asterias filiformis O.F. Müller, 1776; Amphiodia ascia Mortensen, 1936; Amphithoe rubricata (Montagu, 1808) 125080 157728 102002 - 93410 - 563018 102 Malacostraca Decapoda Paguridae 103 Malacostraca Decapoda Paguridae 104 Gastropoda Nudibranchia Goniodorididae 105 Gastropoda Basommatophora Planorbidae Ancylus fluviatilis O.F. Müller, 1774 - 76581 Basommatophora Planorbidae Anisus leucostoma (Millet, 1813) - - 106 Gastropoda Ampharete lindstroemi Malmgren, 1867 sensu Hessle, 1917; Amphicteis finmarchica Sars, 1865 Callopora aurita (Hincks, 1877) Membranipora flemingii Busk, 1854 68980 87 Polychaeta Amphilectus lobatus Ampharete grubei Malmgren, 1865 partim Ampharete grubei baltica Eliason, 1955; Ampharete grubei Malmgren, 1865 partim - 86 Polychaeta Amphictene auricoma Amphilectus fucorum Amauropsis islandicus (Gmelin, 1791); Natica heliocoides Johnston, 1835 Ampelisca laevigata (Costa, 1853) Kallstenius, 1892 Haplotaxida 92 Malacostraca Synonymised taxa (Costa, 1853) 129775 Amphilepididae Freshwater (F) 72881 (Grube, 1860) Ophiurida First record (neobiota) 140521 101930 202717 91 Ophiuroidea Others (Gmelin, 1791) 101933 Esperiopsidae ZipcodeZoo Amauropsis islandica (Bate, 1856) 90 Demospongiae Poecilosclerida Fauna Europaea 68025 Liljeborg, 1855 Esperiopsidae Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) 131471 85 Clitellata 89 Demospongiae Poecilosclerida AphiaID (WoRMS) Author /Year (Sars, 1863) Ampelisca brevicornis Ampelisca Ampeliscidae diadema Ampelisca Ampeliscidae macrocephala Ampelisca Ampeliscidae spinipes Ampelisca Ampeliscidae tenuicornis Ampeliscidae Ampelisca typica Ampharete Ampharetidae acutifrons 75 Malacostraca 84 Clitellata Amaeana trilobata Ampeliscidae 74 Malacostraca 82 Gymnolaemata Cheilostomatida Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 171890 F Ancula cristata (Alder, 1841) F 2583 270481 F Anisus septemgyratus (Rossmässler, 1835) partim 101 107 Gastropoda Basommatophora Planorbidae 270482 - - 2585 270486 - - 2586 270487 129789 67778 - - 234103 - 134723 83646 140676 - Anisus vorticulus (Troschel, 1834) 112 Bivalvia Unionoida 113 Pycnogonida Pantopoda Anobothrus Ampharetidae gracilis (Malmgren, 1866) (Linnaeus, 1758) (Linnaeus, Unionidae Anodonta cygnea 1758) Anoplodactylus Phoxichilidiidae Kroyer, 1844 petiolatus (Linnaeus, Patellidae Ansates pellucida 1758) Unionidae Anodonta anatina 115 Scaphopoda Dentaliida Dentaliidae Antalis dentalis (Linnaeus, 1758) 196375 116 Crinoidea Comatulida Antedonidae Antedon petasus (Düben & Koren, 1846) 124210 158589 117 Polychaeta Spionida Spionidae Aonides oxycephala (Sars, 1862) 131106 66967 118 Polychaeta Spionida Spionidae Aonides paucibranchiata Southern, 1914 131107 66969 119 Malacostraca Amphipoda Aoridae Aora gracilis (Bate, 1857) 102012 206396 Aora typica Apatania stigmatella Apatania wallengreni Krøyer, 1845 (Zetterstedt, 1840) McLachlan, 1871 146895 120 Malacostraca Amphipoda Aoridae 121 Insecta Trichoptera Apataniidae 122 Insecta Trichoptera Apataniidae 123 Polychaeta Spionida Cirratulidae Aphelochaeta marioni (de Saint Joseph, 1894) 129938 573737 124 Polychaeta Spionida Cirratulidae (Christie, 1984) 129942 - 125 Insecta Hemiptera Aphelocheiridae Aphelochaeta vivipara Aphelocheirus aestivalis - - 126 Malacostraca Amphipoda Eusiridae Apherusa bispinosa (Bate, 1857) 102160 93539 127 Malacostraca Amphipoda Eusiridae Apherusa jurinei (Milne102168 Edwards, 1830) 93540 Apherusa ovalipes Aphrodita Polychaeta Phyllodocida Aphroditidae aculeata Apistobranchi- Apistobranchus Polychaeta Spionida dae tenuis Apistobranchi- Apistobranchus Polychaeta Spionida dae tullbergi Aplidium Ascidiacea Enterogona Polyclinidae proliferum Gastropoda Anaspidea Aplysiidae Aplysia punctata Apocorophium Malacostraca Amphipoda Corophiidae lacustre Aporrhais Gastropoda Hypsogastropoda Aporrhaidae pespelecani Apseudes Malacostraca Tanaidacea Apseudidae spinosus Arachnidium Gymnolaemata Ctenostomatida Arachnidiidae hippothooides 128 Malacostraca 129 130 131 132 133 134 135 136 137 Amphipoda Eusiridae Tanaidacea Tanaellidae Araphura brevimanus 139 Clitellata Haplotaxida Tubificidae Arcteonais lomondi 140 Bivalvia Euheterodonta incertae sedis Arcticidae 138 Malacostraca 141 Polychaeta Capitellida Arenicolidae 142 Insecta Hemiptera Coreidae 143 Malacostraca Amphipoda Argissidae (Fabricius, 1794) 97779 F Antalis entale Linnaeus, 1758; Dentalium entalis Linnaeus, 1758; Aonides auricularis Claparède, 1863; Nerine oxycephala Sars, 1862; Aora typica Kröyer, 1845 partim; Lonchomerus gracilis Bate, 1857; Lalaria gracilis Bate, 1855; Leuchomeres gracilis Bate, 1855 93442 - 115943 F 102172 206427 Linnaeus, 1758 129840 Orrhage, 1962 129850 204497 (Théel, 1879) 129851 71349 219792 F Atylus bispinosus Bate, 1862; Dexamine bispinosa Bate, 1856; Halirages bispinosus Boeck, 1871 Amphithoe jurinei Milne Edwards, 1830; Calliopius jurinei (Milne-Edwards, 1830) 64366 66778 Aricia tullbergi Théel, 1879 N 78036 Corophium lacustre Vanhöffen, 1911 148594 656749 138760 - (M. Sars, 1858) 136284 91250 - Hincks, 1859 111608 (Lilljeborg, 1864) 136344 206304 (Martin, 1907) - Phryganea stigmatella Zetterstedt, 1840 Heterocirrus marioni Saint-Joseph, 1894; Tharyx marioni (Saint-Joseph, 1894) partim 103660 159041 138758 Synonymised taxa Freshwater (F) Others First record (neobiota) Anisus (Disculifer) vortex F (Linnaeus, 1758); Spiralina vortex (Linnaeus, 1758) F Ampharete gracilis Malmgren, 1866; Sosane gracilis (Malmgren, 1866) Anodonta piscinalis F Nilsson, 1823 F (Linnaeus, 138802 1767) (Linnaeus, Arenicola marina 129868 1758) Arenocoris (Schilling, 1829) fallenii Argissa (Norman, 1869) 102064 hamatipes Arctica islandica F - 115950 (Norman & Scott, 1906) Milne-Edwards, 1841 (Cuvier, 1803) (Vanhoffen, 1911) (Linnaeus, 1758) 2998 ZipcodeZoo Fauna Europaea 2582 Basommatophora Planorbidae Unionoida Bio. Sys. Datab.World Diptera - 109 Gastropoda 111 Bivalvia Bio Lib - (Linnaeus, 1758) Anisus vortex Terebellida TSN (ITIS) (Linnaeus, 1758) Basommatophora Planorbidae 110 Polychaeta AphiaID (WoRMS) Author /Year Valid Taxon Name Anisus spirorbis 108 Gastropoda 114 Gastropoda 102 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Leptognathia brevimanu Nierstrasz & Schuurmans Stekhoven, 1930 Stylaria lomondi Martin, F 1907 Cyprina islandica (Linnaeus, 1767) Arenicola marina (Linnaeus, 1758) 68976 81343 67511 93508 71474 223140 F Syrrhoe hamatipes Norman, 1869 Orbiniida Paraonidae 147 Polychaeta Orbiniida Paraonidae Aricidea (Acmira) Laubier, 1967 cerrutii 148 Polychaeta Orbiniida Paraonidae Aricidea minuta Southward, 1956 130564 66682 149 Polychaeta Orbiniida Paraonidae Aricidea suecica Eliason, 1920 130572 66667 150 Gastropoda Basommatophora Planorbidae Armiger crista - 76619 151 Gastropoda Nudibranchia Arminidae Armina loveni (Linnaeus, 1758) (Bergh, 1860) 138804 78571 152 Malacostraca Amphipoda Oedicerotidae Arrhis phyllonyx (Sars, 1858) 102870 94501 153 Polychaeta Terebellida Terebellidae Malmgren, 1866 131482 67987 154 Ascidiacea Enterogona Ascidiidae 155 Ascidiacea Enterogona Ascidiidae Artacama proboscidea Ascidia conchilega Ascidia mentula 156 Ascidiacea Enterogona Ascidiidae Ascidia obliqua Alder, 1863 103713 159177 157 Ascidiacea Enterogona Ascidiidae Ascidia virginea Müller, 1776 103717 159189 158 Ascidiacea Enterogona Ascidiidae Ascidiella aspersa Müller, 1776 103718 159213 159 Ascidiacea Enterogona Ascidiidae Isopoda Asellidae Müller, 1776 (Linnaeus, 1758) 103719 159214 160 Malacostraca Ascidiella scabra Asellus (Asellus) aquaticus 161 Malacostraca Isopoda Arcturidae Arcturidae 162 Malacostraca 163 Malacostraca Isopoda Isopoda Arcturidae 234067 - - - 333034 66765 103702 159188 Müller, 1776 103710 159187 264152 92662 Astacilla dilatata Sars, 1882 295579 - Astacilla intermedia Astacilla longicornis (Goodsir, 1841) 119023 206336 (Sowerby, 1806) 119024 92551 138818 80831 138821 80812 138823 80837 138824 80815 164 Bivalvia Veneroida Astartidae Astarte borealis (Schumacher, 1817) 165 Bivalvia Veneroida Astartidae Astarte elliptica (Brown, 1827) 166 Bivalvia Veneroida Astartidae Astarte montagui (Dillwyn, 1817) 167 Bivalvia Veneroida Astartidae Astarte sulcata 168 Asteroidea Forcipulatida 169 Asteroidea Paxillosida Asteriidae Astropectinidae Asterias rubens Astropecten irregularis (da Costa, 1778) Linnaeus, 1758 Maldanidae Asychis biceps (M. Sars, 1861) 171 Malacostraca Decapoda Atelecyclidae (Olivi, 1792) 107273 98667 172 Malacostraca Decapoda Alpheidae (Leach, 1814) 107486 96720 173 Insecta Trichoptera Leptoceridae Atelecyclus rotundatus Athanas nitescens Athripsodes cinereus Atlantopandalus propinqvus Atylus swammerdami Decapoda Pandalidae Amphipoda Atylidae 176 Malacostraca Amphipoda Atylidae Atylus vedlomensis 177 Clitellata Haplotaxida Tubificidae 178 Clitellata Haplotaxida Tubificidae 179 Clitellata Haplotaxida Tubificidae Aulodrilus japonicus Aulodrilus limnobius Aulodrilus pigueti 180 Malacostraca Amphipoda Aoridae 181 Demospongiae Halichondrida Axinellidae 182 Demospongiae Halichondrida Axinellidae F Aricidea jeffreysii Eliason, 1962 partim; Aricidea cerrutii Laubier, 1966 Aricidea (Aricidea) minuta Southward, 1956 Aricidea jeffreysii Eliason, 1962 partim; Aricidea (Allia) suecica Eliason, 1920 Gyraulus crista (Linnaeus, F 1758) Aceros phyllonyx (Sars, 1858); Leucothoe phyllonyx Sars, 1858; F Arcturella dilatata (Sars, 1882) Astacilla affinis (Sars, 1869) Astarte falsteri Hopner Petersen, 2001; Tridonta borealis Schumacher, 1817 Tridonta elliptica (Pennant, 1777); Astarte (Tridonata) elliptica (Brown, 1827); Astarte sulcata (da Costa, 1778) partim Tridonta montagui (Dillwyn, 1817); Nicania montagui (Dillwyn, 1817) (Pennant, 1777) 123867 156909 Capitellida 174 Malacostraca 348688 123776 157220 170 Polychaeta 175 Malacostraca F 550 525497 204494 Moeller, 1842 Synonymised taxa 146 Polychaeta Argyroneta (Clerck, 1757) aquatica Aricidea (Acmira) Laubier, 1967 catherinae Freshwater (F) Cybaeidae First record (neobiota) Araneae Others 145 Arachnida (Linnaeus, 1758) ZipcodeZoo Argulus foliaceus Fauna Europaea Argulidae Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Family Arguloidea Class 144 Maxillopoda No Order Valid Taxon Name HELCOM Checklist for Baltic Sea Invertebrate Species (Curtis, 1834) (Sars, 1870) 146523 Asychis jeffreysii McIntosh, 1915; Chirimia biceps biceps (Sars. 1861); Clymene biceps Sars, 1861; Maldane consobrina Marion, 1876; 67522 - 602640 F 158351 621752 (Milne102131 93523 Edwards, 1830) (Bate & Westwood, 102132 206422 1862) Jamaguchi, - 443661 1953 Nototropis swammerdami (Milne-Edwards, 1830); Nototropis vedlomensis (Bate & Westwood, 1862); 234529 F Bretscher, 1899 - 68682 F Kowalewski, 1914 - 68680 F Autonoe longipes (Liljeborg, 1852) 102021 - Axinella (Linnaeus, infundibuliformis 1759) (Bowerbank, Axinella rugosa 1866) Lembos longipes (Liljeborg, 1852) 132480 204023 132491 48334 103 Ephemeroptera Baetidae Baetis rhodani 184 Maxillopoda Sessilia Balanidae Balanus balanus 185 Maxillopoda Sessilia Balanidae 186 Maxillopoda Sessilia Karkinorhynchidae Balanus crenatus Balanus improvisus Baltoplana magna Barentsiidae Barentsia gracilis M. Sars, 1835 188 Coloniales 189 Bivalvia Euheterodonta incertae sedis Balanidae Darwin, 1854 106218 89622 Karling, 1949 143106 - 81799 (Boeck, 1871) 102873 94505 (Linnaeus, 1758) 248261 - Watkin, 1938 103058 93996 201 Gymnolaemata Cheilostomatida Glossiphoniidae Dendrocoelidae Beaniidae 202 Gastropoda Neogastropoda Conidae Bela brachystoma (Philippi, 1844) 203 Gastropoda Neogastropoda Conidae Bela nebula 204 Gastropoda Neogastropoda Conidae Bela powisiana Diptera Ceratopogonidae Bezzia hydrophila Kieffer, 1909 192 Malacostraca Amphipoda Pontoporeiidae 193 Malacostraca Amphipoda Pontoporeiidae 194 Malacostraca Amphipoda Pontoporeiidae 195 Malacostraca Amphipoda Pontoporeiidae 196 Malacostraca Amphipoda Pontoporeiidae 197 Malacostraca Amphipoda Pontoporeiidae 198 Malacostraca Amphipoda 199 Clitellata Rhynchobdellida 200 Rhabditophora Seriata 205 Insecta Pontoporeiidae Bicellariella ciliata Bidessus unistriatus (Sars, 1891) 103059 206489 (Bate, 1857) 103060 206490 (Bate, 1856) 103066 103068 93994 103073 93993 Meinert, 1877 103076 206491 (Pallas, 1774) - - (Montagu, 1803) (Dautzenberg, 1887) - 139217 - 181084 - - Coleoptera Dytiscidae Hypsogastropoda Bithyniidae Bithynia leachii 209 Gastropoda Hypsogastropoda Bithyniidae Bithynia tentaculata 210 Gastropoda Hypsogastropoda Bithyniidae Bithynia troschelii (Paasch, 1842) 211 Gastropoda Sorbeoconcha Cerithiidae Bittium reticulatum (da Costa, 1778) 139054 71990 212 Polychaeta Spionida Spionidae Boccardia redeki (Horst, 1920) 131112 66895 213 Polychaeta Spionida Spionidae 67012 Cumacea Bodotriidae (Ferronnière, 1898) (Montagu, 1804) 131114 214 Malacostraca Boccardiella ligerica Bodotria scorpioides 110445 91046 Boreotrophon truncatus (Ström, 1768) 146733 73335 (Menke, 1845) - - Meixner, 1938 143576 - 217 Rhabditophora Seriata 218 Clitellata Haplotaxida 219 Rhabditophora Neorhabdocoela 220 Ascidiacea 221 Ascidiacea 222 Hydrozoa Anthoathecata 223 Hydrozoa Anthoathecata 224 Gymnolaemata Ctenostomatida 225 Gymnolaemata Ctenostomatida Borysthenia naticina Bothriomolus Otoplanidae balticus Bothrioneurum Tubificidae vejdovskyanum BothromesosTyphloplanidae toma personatum Botrylloides Styelidae leachii Botryllus Styelidae schlosseri BougainvilBougainvillia liidae britannica BougainvilBougainvillia liidae muscus Bowerbankia Vesiculariidae gracilis Bowerbankia Vesiculariidae imbricata Valvatidae Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera Pedicellina gracilis Sars, 1835 Pholas candida Linnaeus, 1758 F 43975 196037 F F (Goeze, 1777) (Sheppard, 1823) (Linnaeus, 1758) Stolc, 1888 Mangelia (Mangelia) brachystoma (Philippi); - 440183 208 Gastropoda Allogastropoda Linnaeus, 1758 139211 207 Insecta 216 Gastropoda 1844 416384 204225 Bugulidae Hypsogastropoda Muricidae F Johnston, 1840 111072 201462 206 Gymnolaemata Cheilostomatida 215 Gastropoda 193123 93992 Lindström, 1855 Watkin, 1938 Nesemann & Csanyi, 1995 97160 111802 156744 140767 Oedicerotidae Amphipoda 89602 (Linnaeus, 1758) Barnea candida Basommatophora Planorbidae Bio Lib 89606 Bathymedon longimanus Bathyomphalus contortus Bathyporeia elegans Bathyporeia gracilis Bathyporeia guilliamsoniana Bathyporeia pelagica Bathyporeia pilosa Bathyporeia sarsi Bathyporeia tenuipes Batracobdelloides moogi Bdellocephala punctata Beania mirabilis 190 Malacostraca TSN (ITIS) (Pictet, 1845) (Linnaeus, 106213 1758) Bruguiére, 1789 106215 Pholadidae 191 Gastropoda AphiaID (WoRMS) Author /Year Valid Taxon Name 183 Insecta 187 Rhabditophora Rhabdocoela 104 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 131611 F 269108 F Bezzia solstitialis (Winnertz, 1852); 111147 156108 - 728547 - - 182699 70794 - - F 2504 Bulimus tentaculata (Linnaeus, 1758) Bithynia troschelii (Paasch, F 1842); Paludina troschelii Paasch 1842 Cerithium reticulatum da Costa, 1778 Polydora redeki Horst, 1960 1920 Polydora (Boccardiella) 1962 ligerica (Ferronière, 1898) F 2505 2521 269111 270344 Trophonopsis truncatus (Strom, 1767); Trophon truncatus (Ström, 1768) Valvata naticina (Menke, F 1845) - 68779 F (Schmidt, 1848) 481067 54297 F (Savigny, 1816) 250081 (Pallas, 1766) 103862 159373 - (Forbes, 1841) 117321 48779 (Allman, 1863) 117328 48800 Leidy, 1855 111665 155559 (Adams, 1798) 111667 155562 Bougainvillia ramosa (Van Beneden, 1844) Sertularia imbricata Adams, 1798 Brachytron pratense 226 Insecta Odonata Aeshnidae 227 Polychaeta Flabelligerida Flabelligeridae Brada inhabilis 228 Polychaeta Flabelligerida Flabelligeridae Brada villosa 229 Polychaeta Sabellida 230 Leptocardii 231 Clitellata Haplotaxida Sabellidae Branchiomma bombyx (O. F. Müller, 1764) - - (Rathke, 1843) 130097 67228 (Rathke, 1843) 130099 67227 (Dalyell, 1853) 130878 204630 Branchiostomidae Branchiostoma lanceolatum (Pallas, 1774) 104906 206925 Tubificidae Branchiura sowerbyi Beddard, 1892 182695 232 Echinoidea Spatangoida 233 Gastropoda Hypsogastropoda Buccinidae Brissidae 124373 158110 Buccinum undatum Bugula plumosa Bugula purporotincta Bulbella abscondita Linnaeus, 1758 138878 (Pallas, 1766) 111159 156063 Norman, 1868 111161 Bugulidae 235 Gymnolaemata Cheilostomatida Bugulidae 236 Gymnolaemata Ctenostomatida Victorellidae Braem, 1951 111671 206668 237 Gymnolaemata Ctenostomatida Celleporidae Buskea nitida Heller, 1867 111266 - 238 Malacostraca Amphipoda Ampeliscidae Byblis abyssi Sars, 1879 101938 - 239 Malacostraca Amphipoda Ampeliscidae Byblis gaimardii (Krøyer, 1846) 416573 - Bylgides sarsi (Kinberg in Malmgren, 1866) Polynoidae 241 Gastropoda Nudibranchia ChromodoridiCadlina laevis dae 242 Insecta Ephemeroptera Caenidae Caenis horaria 243 Insecta Ephemeroptera Caenidae Caenis lactea 244 Insecta Ephemeroptera Caenidae Caenis macrura 245 Insecta Ephemeroptera Caenidae 246 Malacostraca Decapoda Callianassidae 247 Insecta Hemiptera Corixidae Caenis robusta Callianassa subterranea Callicorixa praeusta 248 Gastropoda Sacoglossa Stiligeridae Calliopaea bellula d’Orbigny, 1837 141556 Calliopiidae Calliopius laeviusculus 249 Malacostraca Amphipoda 250 Malacostraca Amphipoda 251 Pycnogonida Pantopoda 252 Polyplacophora Chitonida 253 Gymnolaemata Cheilostomatida 254 Gymnolaemata Cheilostomatida 255 Gymnolaemata Cheilostomatida 256 Malacostraca Decapoda 257 Hydrozoa Leptothecata 258 Malacostraca Cumacea 259 Malacostraca Cumacea 260 Malacostraca Cumacea (Linnaeus, 1767) (Linnaeus, 1758) (Burmeister, 1839) Stephens, 1835 Eaton, 1884 (Montagu, 1808) (Fieber, 1848) (Kroyer, 1838) (Zaddach, Calliopiidae Calliopius rathkii 1844) (Johnston, Callipallene Callipallenidae 1837) brevirostris (Montagu, CallochitoCallochiton 1803) nidae septemvalvis Callopora Calloporidae Alder, 1856 craticula Callopora Calloporidae Audouin, 1826 dumerilii (Linnaeus, Calloporidae Callopora lineata 1767) Calocaris Calocarididae Bell, 1846 macandreae Campanuli(Linnaeus, Calycella syringa nidae 1758) Campylaspis Nannastacidae (Sars, 1865) costata Campylaspis glabra Campylaspis Nannastacidae rubicunda Nannastacidae Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Amphioxus lanceolatus Pallas; Branchiostoma haecklii Franz, 1922; Branchiostoma lubricum Costa, 1834; Limax lanceolatus Pallas, 1774; 1976 F Brissopsis parma Val., 18??; Brissus lyrifer Forbes, 1841; Brissus pulvinatus Philippi, 1845; Schizaster incertus Aradas, 1850; - Buskea quincuncialis (Norman, 1867) Antinoe sarsi Kinberg in Malmgren, 1866; Antionella sarsi (Kinberg in Malmgren, 1865); Harmothoe sarsi (Kinberg in Malmgren, 1866) 130735 573733 139134 78170 - - 25419 193202 F - - 25420 193207 F - - 25422 193213 F - - 25425 193221 F Caenis nocturna Bengtsson, 1917 107729 552886 494272 103519 - 102178 93542 102179 - 134643 83670 F Stiliger vesiculosus (Deshayes, 1864) Pallene brevirostris Johnston, 1837 140132 205353 111193 155915 111196 155923 111197 155919 107726 97708 117402 50711 110542 90943 110543 - (Liljeborg, 1855) 110555 90936 Sars, 1878 Aeschna vernalis Vander Linden, 1823, Aeshna pilosa Charpentier, 1825, F Brachytron hafniense, Libellula hafniensis Müller, 1764, Libellula pratense Müller, 1764 Brada granosa Stimpson, 1854; Brada granulata; Brada normani McIntosh, 1908; Siphonostoma inhabile Rathke, 1843; Siphonostoma villosum Rathke, 1843 73795 234 Gymnolaemata Cheilostomatida Phyllodocida 214318 68621 Brissopsis lyrifera (Forbes, 1841) 240 Polychaeta 1627 Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Flustra lineata Linnaeus, 1767 105 129876 67415 Capitellidae Capitellides giardi Capitomastus minima Mesnil, 1897 146759 67452 333172 - 101839 95395 101851 95415 138984 72608 107381 98734 135144 53542 263 Polychaeta Capitellida 264 Polychaeta 265 Malacostraca Capitellidae Amphipoda Caprella linearis Caprellidae Caprella septentrionalis Capulus ungaricus Krøyer, 1838 Bio Lib 266 Malacostraca Amphipoda 267 Gastropoda Hypsogastropoda Capulidae 268 Malacostraca Decapoda Portunidae Carcinus maenas 269 Anthozoa Scleractinia Caryophylliidae 270 Clitellata Rhynchobdellida Piscicolidae Caryophyllia smithii Caspiobdella fadejewi 271 Polychaeta Spionida Cirratulidae Caulleriella killariensis (Southern, 1914) 129945 111257 156033 (Linnaeus, 1758) (Linnaeus, 1758) (Stokes & Broderip, 1828) 272 Gymnolaemata Cheilostomatida Cellariidae Cellaria fistulosa Linnaeus, 1758 Cellariidae 274 Gymnolaemata Cheilostomatida Hippothoidae Hassall, 1840 (Linnaeus, 1767) 275 Gymnolaemata Cheilostomatida Celleporidae 276 Insecta Baetidae Cellaria sinuosa Celleporella hyalina Celleporina decipiens Centroptilum luteolum Cephalothrix linearis Ephemeroptera Cephalothricidae Hayward, 1976 (Müller, 1776) (Rathke, 1799) 111273 206789 - - (Stephens, 1836) - 116744 279 Insecta Trichoptera Leptoceridae Ceraclea fulva (Rambur, 1842) - 602772 280 Insecta Trichoptera Leptoceridae Ceraclea nigronervosa (Retzius, 1783) - 116785 281 Insecta Trichoptera Leptoceridae Ceraclea senilis 283 Bivalvia 284 Polychaeta 285 Anthozoa 286 Clitellata 287 Caudofoveata 288 Clitellata (Poiret, 1789) Malmgren, 1867 Gosse, 1859 97164 193150 F 122596 204263 Ceraclea annulicornis 282 Bivalvia - 602780 138998 Athripsodes annulicornis (Stephens, 1836), Ceraclea futilis (Banks, F 1914), Ceraclea recurvata (Banks, 1908), Leptocerus annulicornis Stephens, 1836 F Ceraclea nervosa (Fourcroy, 1785), F Phryganea nervosa Fourcroy, 1785 F Cardium edule Linnaeus, 1758 Cerastoderma lamarcki (Reeve, 1845) 80901 138999 205619 130367 65956 101010 51989 (Knöllner, 1935) 137399 68536 Lovén, 1844 139106 79082 (Gruithuisen, 1828) 137478 68935 Enchytraeoides immotus Knöllner, 1935 Nais diaphana Gruithuisen, 1828 Nais diastropha Gruithuisen, 1828, F Chaetogaster cristallinus Vejdovsky, 1883 F 289 Clitellata Haplotaxida Naididae Chaetogaster diastrophus (Gruithuisen, 1828) 157589 68938 290 Clitellata Haplotaxida Naididae Bretscher, 1896 137479 - F 291 Clitellata Haplotaxida Naididae 157590 68943 F 292 Clitellata Haplotaxida Naididae Chaetogaster langi Chaetogaster limnaei Chaetogaster setosus - 68945 F Baer, 1827 Svetlov, 1925 Caspiobdella fadejewi (Epshtein); Chaetozone killariensis Southern, 1914; Tharyx killariensis (Southern, 1914); Tharyx marioni (Saint-Joseph, 1894) partim 111260 156034 Leptoceridae (Burmeister, 1839) (Linnaeus, 1758) F 111397 201547 Trichoptera Cerastoderma Cardiidae edule Cerastoderma Cardiidae glaucum Ceratocephale Phyllodocida Nereididae loveni Ceriantharia Cerianthidae Cerianthus lloydii Cernosvitoviella Haplotaxida Enchytraeidae immota Chaetoderma- Chaetoderma Chaetodermatida tidae nitidulum Chaetogaster Haplotaxida Naididae diaphanus Capitella minima 67131 278 Insecta Euheterodonta incertae sedis Euheterodonta incertae sedis Cancer fimbriatus Olivi, 1792; Cancer luederwaldti Rathbun, 1930; Lumbricus capitatus Fabricius, 1780 Capitomastus giardi (Mesnil, 1897) (Selensky, 1915) 370616 568925 273 Gymnolaemata Cheilostomatida 277 Anopla 106 Caprellidae (Langerhans, 1881) (Linnaeus, 1767) Synonymised taxa (Fabricius, 1780) Freshwater (F) Capitella capitata First record (neobiota) Capitellidae Others Capitellida ZipcodeZoo 262 Polychaeta Fauna Europaea 98681 Bio. Sys. Datab.World Diptera 107276 TSN (ITIS) AphiaID (WoRMS) Linnaeus, 1758 Valid Taxon Name Cancer pagurus Family Cancridae Order Decapoda Class 261 Malacostraca No Author /Year HELCOM Checklist for Baltic Sea Invertebrate Species 293 Polychaeta Spionida Chaetopteridae Chaetopterus variopedatus Cuvier, 1827 294 Polychaeta Spionida Cirratulidae 295 Polychaeta Spionida Cirratulidae 296 Polychaeta Spionida Cirratulidae Chaetozone caputesocis Chaetozone christiei Chaetozone setosa (Saint-Joseph, 1894) Malmgren, 1867 Malmgren, 1867 Chalinidae Chalinula limbata 297 Demospongiae Haplosclerida 129914 67097 129951 - 152217 - 129955 67157 (Montagu, 1818) 132761 - 298 Bivalvia Euheterodonta incertae sedis Veneridae Chamelea gallina (Linnaeus, 1758) 141907 205649 299 Bivalvia Euheterodonta incertae sedis Veneridae Chamelea striatula da Costa, 1778 141908 300 Insecta Diptera 301 Gymnolaemata Cheilostomatida 302 Insecta Diptera 303 Malacostraca Amphipoda 304 Malacostraca Amphipoda 305 Malacostraca Amphipoda 306 Malacostraca Amphipoda 307 Maxillopoda Sessilia 308 Insecta Diptera 309 Insecta Diptera Chaoboridae Chaoborus flavicans (Meigen, 1830) Flustridae (Busk, 1860) Limoniidae (Meigen, 1804) Chartella barleei Cheilotrichia cinerascens Cheirocratus Cheirocratidae assimilis Cheirocratus Cheirocratidae intermedius Cheirocratus Melitidae sundevalli Chelicorophium Corophiidae curvispinum ArcheobalaChirona hameri nidae Chironomus Chironomidae (Camptochironomus) tentans Chironomidae Chironomus agilis Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Chaetopterus afer Quatrefages, 1866; Chaetopterus antarcticus Kinberg, 1866; Chaetopterus appendiculatus Grube, 1874; Chaetopterus australis Quatrefages, 1866; Chaetopterus brevis Lespés, 1872; Chaetopterus capensis Stimpson, 1856; Chaetopterus cautus Marenzeller, 1879; Chaetopterus crosslandi Caullery, 1944; Chaetopterus hamatus Schmarda, 1961; Chaetopterus insignis Baird, 1864; Chaetopterus kagosimensis Izuka, 1911; Chaetopterus leuckarti Quatrefages, 1866; Chaetopterus longimanus Crossland, 1904; Chaetopterus longipes Crossland, 1904; Chaetopterus luteus Stimpson, 1856; Chaetopterus macropus Schmarda, 1861; Chaetopterus norvegicus M. Sars, 1835; Chaetopterus pergamentaceus Cuvier, 1827; Chaetopterus quatrefagesii Jourdain, 1868; Chaetopterus sarsii Boeck in Sars, 1860; Chaetopterus takahashii Izuka, 1911; Chaetopterus valencinii Quatrefages, 1866; Chaetopterus variopedatus macropus Schmarda, 1861; Tricoelia variopedatus Renier, 1804; Caulleriella caput-esocis (Saint-Joseph, 1894) Cirratulus longisetis Möbius, 1874 Haliclona limbata (Montagu, 1818); Acervochalina limbata (Montagu, 1818) Pectunculus striatulus Da Costa, 1778; Venus gallina Linnaeus, 1758; Venus striatula da Costa, 1778; Chaoborus eluthera Dyar and Shannon, 1924, Corethra albipes F Johannsen, 1903, Corethra flavicans Meigen, 1830, Sayomyia rotundifolia Felt, 1904 - 125917 111363 206707 - (Liljeborg, 1852) 102794 - 118397 146332 F 93860 (Sars, 1895) 102795 206456 (Rathke, 1843) 102798 206457 (G.O. Sars, 1895) 148582 Ascanius, 1767 106207 656261 Fabricius, 1805 - 129325 Schobanov & Djomin , 1988 - - - 440316 1920 F Corophium curvispinum Sars, 1895 F 282925 F 107 Diptera Chironomidae Chironomus annularius Kieffer, 1926 - 311 Insecta Diptera Chironomidae Chironomus anthracinus Zetterstedt, 1860 - 129258 312 Insecta Diptera Chironomidae Meigen, 1830 313 Insecta Diptera Chironomidae Chironomus aprilinus Chironomus balatonicus Chironomus cingulatus Chironomus dorsalis Chironomus halophilus Chironomus neocorax Chironomus pallidivittatus Chironomus plumosus Chironomus reductus Chironomus salinarius Chironomus semireductus Chironomus thummi 314 Insecta Diptera Chironomidae 315 Insecta Diptera Chironomidae 316 Insecta Diptera Chironomidae 317 Insecta Diptera Chironomidae 318 Insecta Diptera Chironomidae 282973 F - Malloch, 1915 - 129299 - 129303 (Lenz, 1924) - 323 Insecta Diptera Chironomidae 324 Polychaeta Sabellida Sabellidae Chone duneri Sabellidae Chone Krøyer, 1856 infundibuliformis Kieffer, 1915 - k.A - 2261200 - k.A - - (Kieffer, 1911) - - 117887 (Audouin, 1826) (Adams J., 1797) (Dillwyn, 1817) 130888 68081 130891 68079 140918 - 140929 - Cionidae 330 Polychaeta Spionida Cirratulidae Cirratulus cirratus (O. F. Müller, 1776) 129959 67118 331 Polychaeta Spionida Cirratulidae Cirratulus filiformis Keferstein, 1862 146834 67124 332 Polychaeta Terebellida 129964 67176 333 Insecta Diptera 334 Insecta Diptera 335 Insecta Diptera Cirriformia tentaculata Cladopelma Chironomidae edwardsi Cladopelma Chironomidae lateralis Cladopelma Chironomidae virescens (Meigen, 1818) k.A 283002 Nomia dubia? F F Chrysallida obtusa (Brown, 1827) Partulida spiralis (Montagu, 1803) Ascidia canina Mueller, 1776; Ascidia intestinalis Linnaeus, 1767 Lumbricus cirratus O.F. Müller, 1776 Cirratulus filicornis Grube, 1872; Cirratulus norvegicus McIntosh, 1911; Cirratulus tesselatus McIntosh, 1911; 103732 159113 - 129358 F - - - - - 117891 k.A - 2246060 282897 F Cladopelma viridulus (Linnaeus, 1767); Cladopelma viridulum F (Linnaeus, 1767); Tipula viridula Linnaeus, 1767; Chryptochironomus viridulus (Fabricius, 1805) - 129365 Kieffer, 1924 - 553078 F (Walker, 1856) - 129881 F Diptera Chironomidae 337 Insecta Diptera 338 Insecta Diptera 339 Bivalvia Euheterodonta incertae sedis Cladotanytarsus atridorsum Cladotanytarsus Chironomidae mancus Clausinella Veneridae fasciata 340 Hydrozoa Anthoathecata Hydractiniidae Clava multicornis (Forskål, 1775) (da Costa, 1778) 341 Gastropoda Trochidae (Brocchi, 1814) 342 Insecta Clinotanypus Chironomidae nervosus Meigen, 1818 343 Demospongiae Hadromerida Clionaidae Cliona celata Grant, 1826 344 Clitellata Tubificidae Clitellio arenarius (Müller, 1776) Tendipes edwardsi Kruseman, 1933 F (Linnaeus, 1767) 336 Insecta Chironomus (Chironomus) riparius Meigen, 1804; Chone longocirrata M. Sars in G.O. Sars, 1872; Chone suspecta Krøyer, 1856, Chone fauveli McIntosh, 1916 111304 156236 Enterogona (Montagu, 1808) (Kruseman, 1933) (Goetghebuer, 1934) F F - Malmgren, 1867 Synonymised taxa F - 146803 568530 329 Ascidiacea Haplotaxida F (Lenz, 1924) (Linnaeus, Ciona intestinalis 1758) Diptera F - 440351 (Linnaeus, 1758) Chironomidae F 248054 129289 Wülker & Butler, 1983 Chironomidae Clelandella miliaris Freshwater (F) F Diptera Chironomidae First record (neobiota) F 283038 Diptera Cladopelma viridula Others 282941 - 854202 322 Insecta Cirratulidae ZipcodeZoo - 117882 - 321 Insecta Allogastropoda Fauna Europaea - Packard, 1873 Chironomus rempelii Thienemann, 1941, Tendipes anthracinus Zetterstedt, 1860 F Auct. (nec Meigen, 1818) Chironomidae 328 Gastropoda - Meigen, 1830 Chironomidae 327 Gastropoda F 282933 Diptera Chorizopora brongniartii Chrysallida Pyramidellidae interstincta Chrysallida Pyramidellidae pellucida F - 440319 Diptera Chorizoporidae 282927 - 320 Insecta 326 Gymnolaemata Cheilostomatida - 117879 Dévai, Wülker & Scholl, 1983 319 Insecta Sabellida 494362 Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name 310 Insecta 325 Polychaeta 108 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 141909 205651 Venus fasciata; 117426 48891 Clava squamata (O.F. Müller, 1776) 141774 - - - 117531 134121 48524 137553 68718 284717 Tanypus ater Macquart, 1834, Tanypus nervosus Meigen, 1818, Tanypus F nigrimanus Meigen, 1830, Tipula fasciculatus Fabricius, 1781 Lumbricus arenarius Müller, 1776; Peloryctes arenarius (Müller, 1776) 345 Insecta Ephemeroptera Baetidae Cloeon dipterum (Linnaeus, 1761) Cloeon simile 346 Insecta Ephemeroptera Baetidae 347 Insecta Diptera Chironomidae Clunio balticus 348 Insecta Diptera 349 Hydrozoa Leptothecata Chironomidae Clunio marinus CampanulariClytia gracilis idae Campanulariidae 355 Insecta Odonata 193163 (Pulteney, 1799) 181373 81993 Steinböck, 1924 143495 - Meixner, 1938 157970 - - - 1585 214263 - - 1586 214265 - - 1587 214268 F - - 1590 214272 F - - 1588 214273 (Charpentier, 1840) (Charpentier, 1825) (Charpentier, 1840) (Linnaeus, 1758) Coenagrionidae Coenagrion pulchellum (Vander Linden, 1825) 359 Clitellata Haplotaxida Enchytraeidae Cognettia glandulosa (Michaelsen, 1888) 416513 204783 360 Clitellata Haplotaxida Enchytraeidae Cognettia sphagnetorum (Vejdovský, 1877) 416514 361 Gastropoda Cephalaspidea Diaphanidae (M. Sars, 1870) 139547 205180 362 Gastropoda Hypsogastropoda Buccinidae 138902 73941 363 Gastropoda Hypsogastropoda Buccinidae (Mohr, 1786) (Fischer P., 1868) 138903 73931 364 Polychaeta Phyllodocida Colpodaspis pusilla Colus islandicus Colus jeffreysianus Commensodorum commensalis Conopeum reticulum Conopeum seurati Copidognathus fabricii 131080 66095 Sphaerodoridae (Lützen, 1961) 111351 155835 (Canu, 1928) 111352 155838 (Lohmann, 1889) 114830 205741 139410 365 Gymnolaemata Cheilostomatida Electridae 366 Gymnolaemata Cheilostomatida Electridae 367 Arachnida Acarina Halacaridae 368 Bivalvia Euheterodonta incertae sedis Corbulidae Corbula gibba (Olivi, 1792) 369 Insecta Odonata Corduliidae Cordulia aenea (Linneaus, 1758) 370 Hydrozoa Anthoathecata Cordylophoridae 371 Ascidiacea Enterogona Corellidae 372 Malacostraca Amphipoda Corophiidae 373 Malacostraca Amphipoda Corophiidae 374 Malacostraca Amphipoda Corophiidae Cordylophora caspia Corella parallelogramma Corophium acherusicum Corophium arenarium Corophium multisetosum F Agrion armatum Charpentier, 1840 Agrion hastullatum F Charpentier, 1825 F Agrion puella (Linnaeus, 1758) Agrion interruptum Charpentier, 1825, Agrion F pulchella Vander Linden, 1823, Agrion pulchellum Enchytraeoides sphagnetorum (Vejdowsky, 1877); Pachydrilus sphagnetorum Vejdovsky, 1877 68553 (Linnaeus, 1767) Nitscheina seurati Canu, 1928 F Aloidis gibba (Olivi, 1792); Varicorbula gibba (Olivi, 1792) 81744 - - (Pallas, 1771) 117428 48893 Müller, 1876 103743 159158 Costa, 1851 102082 Synonymised taxa Freshwater (F) Campanularia johnstoni (Alder, 1856); Campanularia raridentata Alder in Hincks, 1861; Phialidium hemisphaericum (Gronovius, 1760) Thracia praetenuis (Pulteney, 1799) Cochlodesma praetenue Coelogynopora biarmata Coelogynopora schulzii Coenagrion armatum Coenagrion hastulatum Coenagrion lunulatum Coenagrion puella Odonata Anthoathecata 97168 Coelogynoporidae Coelogynoporidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae 358 Insecta 377 Hydrozoa First record (neobiota) 117367 204111 Odonata Anthoathecata Others F (M. Sars, 1850) Odonata 376 Hydrozoa ZipcodeZoo F 118146 128556 356 Insecta Amphipoda Fauna Europaea - 357 Insecta 375 Malacostraca Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) 118145 49583 Anomalodesmata Periplomatidae Odonata Eaton, 1870 Heimbach, 1978 Haliday, 1855 117368 351 Bivalvia 354 Insecta - 100761 (Linnaeus, 1767) Leptothecata 353 Rhabditophora Seriata Chloeon dipterum (Linnaeus, 1761), Cloe diptera (Linnaeus, 1761), Cloeon cognatum Stephens, 1835, Cloeon F inscriptum Bengtsson, 1940, Cloeon pallida Leach, 1815, Cloeopsis diptera (Linnaeus, 1761), Ephemera diptera Linnaeus, 1761 F Clytia hemisphaerica 350 Hydrozoa 352 Rhabditophora Seriata Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 1642 214357 F 1803 Cordylophora lacustris Allman, 1871 93590 Crawford, 1937 102087 206430 Stock, 1952 102096 573749 Corophiidae Corophium volutator (Pallas, 1766) 102101 93601 Corymorphidae Corymorphidae Corymorpha nutans Corymorpha sarsii Sars, 1835 117452 49453 Steenstrup, 1855 231689 - Corophium grossipes (Templeton, 1836); Corophium longicorne Latreille; Oniscus volutator Pallas, 1766 Amalthaea sarsi (Steenstup, 1854) 109 378 Insecta Diptera 379 Insecta Diptera 380 Insecta Diptera 381 Gastropoda Nudibranchia 382 Malacostraca Decapoda Corynoneura carriana Corynoneura Chironomidae celeripes Corynoneura Chironomidae scutellata Coryphella Flabellinidae lineata Corystes Corystidae cassivelaunus Cossura Cossuridae longocirrata Crangonidae Crangon allmanni Chironomidae - 128565 F Winnertz, 1846 - 128569 F 139982 78661 (Pennant, 1777) 107277 - 129984 86700 284391 Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo - Winnertz, 1852 (Lovén, 1846) - 440438 Fauna Europaea Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) Edwards, 1924 Webser & Cossurida 383 Polychaeta Benedict, 1887 384 Malacostraca Decapoda Kinahan, 1857 (Linnaeus, Crangonidae Crangon crangon 385 Malacostraca Decapoda 1758) Crassicorophium (Milne Edwards, Corophiidae 386 Malacostraca Amphipoda bonellii 1830) Crassicorophium (Bruzelius, Corophiidae 387 Malacostraca Amphipoda 1859) crassicorne Crenella (Montagu, Mytiloida Mytilidae 388 Bivalvia decussata 1808) Crepidula (Linnaeus, Hypsogastropoda Calyptraeidae 389 Gastropoda fornicata 1758) Cribrilina Norman, 1903 390 Gymnolaemata Cheilostomatida Cribrilinidae cryptooecium Cribrilina (Hassall, 1841) 391 Gymnolaemata Cheilostomatida Cribrilinidae punctata Cricotopus 392 Insecta Diptera Chironomidae (Kieffer, 1916) albiforceps Cricotopus Diptera Chironomidae (Kieffer, 1911) 393 Insecta algarum F 67207 107551 97135 107552 97118 237004 - Crangon vulgaris Fabricius, 1798 Corophium bonelli MilneEdwards, 1830 Corophium crassicorne Bruzelius, 1859 397383 656754 140440 79459 138963 72623 N 111313 156166 111314 156163 - 553079 F - 553089 F 394 Insecta Diptera Chironomidae Cricotopus bicinctus (Meigen, 1818) - 128583 F 395 Insecta Diptera Chironomidae Cricotopus festivellus (Kieffer, 1906) - 128594 Chironomus festivellus F Kieffer, 1906, Chironomus festivus Meigen, 1830 396 Insecta Diptera Chironomidae (Kieffer, 1924) - 553080 F 397 Insecta Diptera Chironomidae (Kieffer, 1909) - 128669 F 398 Insecta Diptera Chironomidae (Staeger, 1839) - 128614 F 399 Insecta Diptera Chironomidae (Meigen, 1818) - 128633 F 400 Insecta Diptera Chironomidae Cricotopus flavocinctus Cricotopus fuscus Cricotopus intersectus Cricotopus ornatus Cricotopus pilosellus Cricotopus sylvestris Cricotopus trifascia Brundin, 1956 - 128639 F 158482 128645 F 401 Insecta 110 AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Diptera Chironomidae Chironomidae (Fabricius, 1794) 402 Insecta Diptera 403 Clitellata Haplotaxida 404 Stenolaemata Cyclostomatida Glossoscolecidae Crisiidae 405 Stenolaemata Cyclostomatida Crisiidae 406 Stenolaemata Cyclostomatida Crisiidae 407 Stenolaemata Cyclostomatida Crisiidae 408 Stenolaemata Cyclostomatida Crisiidae 409 Stenolaemata Cyclostomatida Crisiidae 410 Stenolaemata Cyclostomatida Crisiidae 411 Gastropoda Littorinimorpha Rissoidae 412 Stenolaemata Plumatellida Cristatellidae 413 Asteroidea Velatida Solasteridae 414 Insecta Diptera Chironomidae Cryptochironomus camptolabis (Kieffer, 1913) - 129392 415 Insecta Diptera Chironomidae (Kieffer, 1913) - - 117900 282877 F 416 Insecta Diptera Chironomidae Cryptochironomus defectus Cryptochironomus monstrosus Cryptochironomus obreptans Cryptochironomus redekei Cryptochironomus rolli Cryptochironomus supplicans Cryptochironomus tshernovskii Chernovskij, 1949 - - 440300 283052 F 417 Insecta Diptera Chironomidae 418 Insecta Diptera Chironomidae 419 Insecta Diptera Chironomidae 420 Insecta Diptera Chironomidae 421 Insecta Diptera Chironomidae Edwards, 1929 Cricotopus (Isocladius) sylvestris (Fabricius, 1794); Cricotopus ithacanensis F Sublette, 1967 Hoffmeister, 1845 Crisia aculeata Hassall, 1841 Hayward & Crisia Ryland, 1978 calyptostoma Crisia denticulata (Lamarck, 1816) (Linnaeus, Crisia eburnea 1758) Crisia klugei Ryland, 1967 (Linnaeus, Crisidia cornuta 1758) Crisiella producta (Smitt, 1865) (Montagu, Crisilla 1808) semistriata Cristatella Cuvier, 1798 mucedo Crossaster (Linnaeus, papposus 1776) Criodrilus lacuum (Walker, 1856) (Kruseman, 1933) Chernovskij, 1949 - 128659 - 69158 F 111690 155617 111691 206694 111695 155612 111696 155608 111699 206695 111706 155631 111707 155638 141280 - 254615 156710 F Solaster papposus Müller & Troschel, 1842 Paracladopelma F camptolabis (Kieffer, 1913); 124154 157066 - - 117901 282879 F - - 440492 282883 F - - - F - (Meigen, 1830) - - 117903 Vertshinn, 1962 - - - 88492 88775 282886 F - F Chernovskiia orbicus (Townes, 1945); 422 Insecta Diptera Chironomidae Cryptochironomus ussouriensis Cryptonatica affinis Cryptosula 424 Gymnolaemata Cheilostomatida Cryptosulidae pallasiana Cumella Nannastacidae (Cumella) 425 Malacostraca Cumacea pygmaea Curtitoma 426 Gastropoda Neogastropoda Conidae trevelliana [unassigned] Curveulima 427 Gastropoda Eulimidae Caenogastropoda devians Cuspidaria Anomalodesmata Cuspidariidae 428 Bivalvia cuspidata 423 Gastropoda Hypsogastropoda Naticidae Goetghebuer, 1933 - - 440493 (Gmelin, 1791) 140525 567436 (Moll, 1803) 111343 156536 G.O. Sars, 1865 110567 (Turton, 1834) 152380 - (Olivi, 1792) 139442 82068 139450 82051 Anomalodesmata Cuspidariidae 430 Enopla Hoplonemertea Tetrastemmatidae Cyanophthalma obscura 431 Malacostraca Isopoda Anthuridae Cyathura carinata (Krøyer, 1847) 118474 92152 432 Gastropoda Cephalaspidea Cylichnidae Cylichna alba (Brown, 1827) 139474 76148 433 Gastropoda Cephalaspidea Cylichnidae Cylichna cylindracea (Pennant, 1777) 139476 76158 434 Gastropoda Cephalaspidea Retusidae 435 Insecta Hemiptera Corixidae (Montagu, 1803) (Fabricius, 1777) 436 Insecta Trichoptera Cylichnina umbilicata Cymatia coleoptrata Cyrnus crenaticornis 437 Insecta Trichoptera Cyrnus flavidus 447 Gastropoda Nudibranchia 448 Clitellata Haplotaxida Cyrnus trimaculatus Cystobranchus Piscicolidae fasciatus Cystobranchus Piscicolidae pawlowskii Dasybranchus Capitellidae caducus Deflexilodes Oedicerotidae tenuirostratus Demeijerea Chironomidae rufipes DemicryptochiChironomidae ronomus vulneratus DendrocoeDendrocoelum lidae lacteum Dendrodoa Styelidae grossularia Dendronotus Dendronotidae frondosus Tubificidae Dero digitata 449 Malacostraca Amphipoda Talitridae 450 Malacostraca Amphipoda Dexaminidae 451 Anthozoa Actiniaria 438 Insecta Trichoptera 439 Clitellata Rhynchobdellida 440 Clitellata Rhynchobdellida 441 Polychaeta 442 Malacostraca Amphipoda 443 Insecta Diptera 444 Insecta Diptera 445 Rhabditophora Seriata 446 Ascidiacea Deshayesorchestia deshayesii 141123 - 103527 - McLachlan, 1864 - 600549 (Curtis, 1834) - 600559 (Kollar, 1842) - - 443709 196090 F - - 443710 - F (Sket, 1968) - (Grube, 1846) 129881 204555 (Boeck, 1871) 547038 657134 58033 F F F - - 553082 F 416409 204223 F (Audouin, 1826) 282861 F Ascidia grossularia Beneden, 1846 Doris arborescens Müller, 1776 F Nais digitata Meuller, 1773 Orchestia deshayesii Audouin, 1826; Talorchestia deshayesi (Audouin, 1826) Cancer spinosus Montagu, 1813 103882 159293 139523 78509 - 68904 236548 - 102135 93666 (Montagu, 1813) Stephenson, 1925 Brown, 1827 100872 52747 Cephalaspidea 139557 76226 Cumacea Diastylidae Diastylis boecki Zimmer, 1930 110471 - 454 Malacostraca Cumacea Diastylidae Diastylis bradyi Norman, 1879 110472 573798 455 Malacostraca Cumacea Diastylidae Diastylis cornuta (Boeck, 1864) 110474 - 456 Malacostraca Cumacea Diastylidae Diastylis goodsiri (Bell, 1855) 110479 90844 457 Malacostraca Cumacea Diastylidae Diastylis laevis Norman, 1869 110481 - 458 Malacostraca Cumacea Diastylidae Diastylis lucifera (Krøyer, 1837) 110483 90846 459 Malacostraca Cumacea Diastylidae Diastylis rathkei (Krøyer, 1841) 110487 90852 460 Malacostraca Cumacea Diastylidae Diastylis rostrata Goodsir, 1885 160604 - 461 Malacostraca Cumacea Diastylidae Diastylis rugosa Sars, 1865 110488 90868 462 Malacostraca Cumacea Diastylidae Cumacea Diastylidae (Liljeborg, 1855) 110492 (G.O. Sars, 110494 1865) (G.O. Sars, 110497 1865) 90859 463 Malacostraca Diastylis tumida Diastyloides biplicatus Diastyloides serratus Piscicola fasciata Kollar, 1842 Monoculodes tenuirostratus Boeck, 1871 (Zetterstedt, 1838) (Van Beneden, 1846) (Ascanius, 1774) (Müller, 1773) - 440668 171308 (Linnaeus, 1761) Oersted, 1844 Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bulla cylindracea Pennant, 1777; Cylichna elongata Locard, 1886; Cylichna producta (Brown, 1827) Retusa umbilicata (Montagu, 1803) Sigara coleoptrata F Fabricius, 1777 (Kolenati, 1859) 452 Gastropoda Diastylidae Neaera obesa Lovén, 1846; Prostoma obscura Schultze, 1851 Anthura carinata Krøyer, 1847 - 453 Malacostraca Cumacea Neaera cuspidata; (Schultze, 1851) 122739 573753 Dexamine spinosa Diadumene Diadumenidae cincta Diaphanidae Diaphana minuta 464 Malacostraca Curtitoma reticulata (Brown, 1827) 160246 567446 429 Bivalvia Polycentropidae Polycentropodidae Polycentropodidae Chironomus ussouriensis Goetghebuer, 1933, F Cryptochironomus nigridens Chernovskij, 1949 282888 - (Monterosato, 1884) Cuspidaria obesa (Lovén, 1846) Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 1928 Cuma rathkii Krøyer, 1841 - Diastyolides biplicata; - Diastyloides serrata (G.O. Sars, 1865); 111 465 Malacostraca Decapoda Pandalidae 466 Hydrozoa Anthoathecata Bougainvilliidae 467 Insecta Diptera Chironomidae 468 Insecta Diptera Chironomidae 469 Insecta Diptera Chironomidae 470 Insecta Diptera Chironomidae 471 Malacostraca Amphipoda Gammaridae 472 Malacostraca Amphipoda Gammaridae 473 Clitellata Arhynchobdellida Erpobdellidae 474 Clitellata 475 Polychaeta 476 Stenolaemata 477 Ascidiacea 478 Polychaeta (Caullery, 1896) 107643 97001 (Alder, 1856) 48814 117336 (Kieffer, 1921) - 129443 (Staeger, 1839) - 129452 (Walker, 1856) - (Kieffer, 1916) (Eichwald, 1841) - Sowinsky, 1984 148586 - 195987 F 130100 67264 66794 131117 - Dipolydora giardi (Mesnil, 1896) 131119 - (Jacobi, 1883) 131121 - 482 Hydrozoa Anthoathecata Dipolydora quadrilobata Dipurena spongicola Anger, 1972 117479 - 487 Gastropoda 488 Bivalvia 489 Bivalvia 490 Gastropoda 491 Bivalvia 492 Bivalvia 493 Insecta Nudibranchia Euheterodonta incertae sedis Euheterodonta incertae sedis Nudibranchia Euheterodonta incertae sedis Euheterodonta incertae sedis Ephemeroptera Veneridae Dosinia exoleta Veneridae Dosinia lupinus Dotidae Doto coronata Dreissena bugensis Dreissena polymorpha Dreissenidae Dreissenidae Linnaeus, 1758 (Linnaeus, 1758) (Gmelin, 1791) Polydora caulleryi Mesnil, 1897 Polydora caeca (Örsted, 1843) Polydora (Polydora) giardi Mesnil, 1896 Polydora quadrilobata Jacobi, 1883 142835 204203 111730 155785 129967 67166 139604 81251 181228 78216 141911 81491 141912 81492 139631 78535 Archidoris pseudoargus (Rapp, 1827) Andrusov, 1897 234115 567514 2004 F (Pallas, 1771) 1803 F 181566 81339 Caenidae Drunella walkeri (Eaton, 1884) Dugesia lugubris Dugesia polychroa (Schmidt, 1861) 181569 204228 Baetis fuscata Walker, 1853; Ephemerella F fuscata (Walker, 1853); Ephemerella walkeri Eaton, 1884 F (Schmidt, 1861) 416411 54506 F - 185973 494 Rhabditophora Seriata Planariidae 495 Rhabditophora Tricladida Planariidae 496 Malacostraca Amphipoda Dulichiidae Dulichia falcata (Bate, 1857) 103031 94837 497 Malacostraca Amphipoda Dulichiidae (Boeck, 1870) 103035 94839 498 Hydrozoa Leptothecata Sertulariidae Dulichia tuberculata Dynamena pumila (Linnaeus, 1758) 117888 50031 499 Malacostraca Amphipoda Dulichiidae Dyopedos monacantha (Metzger, 1875) 103042 - 500 Malacostraca Amphipoda Dulichiidae Dyopedos porrectus (Bate, 1857) 501 Insecta Coleoptera Dytiscidae Dytiscus circumcinctus Ahrens, 1811 - 112134 502 Insecta Coleoptera Dytiscidae Dytiscus marginalis Linnaeus, 1758 - 112128 Ebalidae Ebala nitidissima 504 Malacostraca Heterobranchia incertae sedis Decapoda Leucosiidae Ebalia cranchii 505 Malacostraca Decapoda Leucosiidae Ebalia granulosa 506 Malacostraca Decapoda Leucosiidae Ebalia tuberosa 503 Gastropoda Synonymised taxa 103579 159099 131116 Spionidae Veneroida Trophonia glauca Malmgren, 1867 111712 155645 Spionidae 486 Bivalvia Freshwater (F) 43961 Spionida Cyclostomatida First record (neobiota) - Spionida Spionida Others F - 481 Polychaeta 484 Stenolaemata ZipcodeZoo 195981 480 Polychaeta 485 Polychaeta Fauna Europaea 84317 Dipolydora coeca (Örsted, 1843) (Bergendal, 1893) Lichenoporidae Disporella hispida Fleming, 1828 Dodecaceria Cirratulidae Örsted, 1843 concharum (da Costa, Donacidae Donax vittatus 1778) Doris Dorididae Rapp, 1827 pseudoargus 1999 F - Spionidae Discocelides langi 1997 F - Spionida Corynidae 282828 - 183774 234073 Limnochironomus lobiger Kieffer, 1921 Limnochironomus F nervosus (Staeger, 1839) Dicrotendipes objectans F (Walker, 1856) Limnochironomus tritomus F (Kieffer, 1916) F - 440754 479 Polychaeta Plehniidae Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Dichelopandalus bonnieri Dicoryne conferta Dicrotendipes lobiger Dicrotendipes nervosus Dicrotendipes pulsus Dicrotendipes tritomus Dikerogammarus haemobaphes Dikerogammarus villosus Dina apathyi Gedroyc, 1916 (O.F. Müller, Arhynchobdellida Erpobdellidae Dina lineata 1774) Diplocirrus (Malmgren, Flabelligerida Flabelligeridae glaucus 1867) Cyclostomatida Diastoporidae Diplosolen obelia Johnston, 1838 Diplosoma (MilneEnterogona Didemnidae listerianum Edwards, 1841) Dipolydora Spionida Spionidae (Mesnil, 1897) caulleryi 483 Rhabditophora Polycladida 112 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species (Montagu, 1803) (Leach, 1817) H. Milne Edwards, 1837 (Pennant, 1777) 103044 94831 139664 - 107294 98384 107298 - 107301 98378 Dyopedos falcatus Bate, 1857 Sertularia pumila Linnaeus, 1758 Dulichia monacantha (Metzger, 1875); Dyopedos monacanthus (Metzger, 1875) Dulichia porrecta (Bate, 1857); Dulichia porrectus (Bate, 1857) Dytiscus anxius Mannerheim, 1843, F Dytiscus ooligbucki Kirby, 1837 F 507 Malacostraca Decapoda Leucosiidae Ebalia tumefacta Echinocardium cordatum 508 Echinoidea Spatangoida Loveniidae 509 Echinoidea Spatangoida 510 Echinoidea Spatangoida Echinocardium flavescens Echinocardium Loveniidae pennatifidum Echinocucumis Ypsilothuriidae hispida Echinocyamus Fibulariidae pusillus Echinogammarus Gammaridae ischnus Echinogammarus Gammaridae marinus Echinogammarus Gammaridae stoerensis 511 Holothuroidea Dactylochirotida Loveniidae (Montagu, 1808) (O.F. Müller, 1776) (Norman, 1868) (Barrett, 1857) (O.F. Müller, 1776) (Stebbing, 1899) Clypeasteroida 513 Malacostraca Amphipoda 514 Malacostraca Amphipoda 515 Malacostraca Amphipoda 516 Malacostraca Amphipoda Gammaridae 517 Malacostraca Isopoda Munnopsidae 518 Echinoidea Echinoida Echinidae 519 Echiuroidea Echiurida Echiuridae Echiurus echiurus (Pallas, 1767) 520 Insecta Trichoptera Ecnomidae Ecnomus tenellus (Rambur, 1842) 490104 656834 102261 (Reid, 1938) 102267 656836 490143 (Sars, 1870) 118669 544166 Linnaeus, 1758 124287 157949 - 568814 Tubulariidae Ectopleura larynx (Ellis & 157933 719103 Solander, 1786) 523 Anthozoa Actiniaria Edwardsiidae Carlgren, 1921 100882 573748 524 Anthozoa Actiniaria Edwardsiidae Carlgren, 1921 100889 611518 528 Gymnolaemata Cheilostomatida 529 Clitellata Opisthopora 181571 - 467577 - - - (Troschel, 1846) 124681 - (Pallas, 1766) Lumbricidae (Savigny, 1826) Electridae 532 Insecta Lepidoptera Pyralidae 533 Gastropoda Sacoglossa Elysiidae 534 Gastropoda Fissurellidae 535 Gastropoda Fissurellidae 536 Insecta Coenagrionidae Odonata 151541 611533 (Meigen, 1804) Eiseniella tetraedra 531 Gymnolaemata Cheilostomatida (Linnaeus, 1767) (Linnaeus, Elophila 1758) nymphaeata (Montagu, Elysia viridis 1804) G.B. Sowerby Emarginula crassa I, 1812 (Linnaeus, Emarginula 1758) fissura (Charpentier, Enallagma 1840) cyathigerum Enchytraeus Henle, 1837 albidus Electra pilosa 537 Clitellata Haplotaxida Enchytraeidae 538 Pycnogonida Pantopoda Endeidae Endeis spinosa Endochironomus albipennis Endochironomus dispar Endochironomus stackelbergi Endochironomus tendens 539 Insecta Diptera Chironomidae 540 Insecta Diptera Chironomidae 541 Insecta Diptera Chironomidae 542 Insecta Diptera Chironomidae 543 Polychaeta Phyllodocida Polynoidae Synonymised taxa Freshwater (F) First record (neobiota) Ventrosia ventrosa (Montagu, 1803); Hydrobia stagnalis Baster, 1765 partim; Hydrobia ventrosa (Montagu, 1803) Tubularia bellis Allman, 1865; Tubularia coronata Abildgaard; Tubularia larynx Ellis & Solander, 1786 - (Gosse, 1856) Einhornia crustulenta Phyllophoridae Ekmania barthii 238104 F Duben & Koren, 100894 611526 1847 Electridae 530 Holothuroidea Dendrochirotida Echiurus chrysacanthophorus; Lumbricus echiurus Pallas, 1767; 110377 155054 Anthoathecata Actiniaria Chaetogammarus stoerensis (Reid, 1938) Chaetogammarus 1960 F warpachowskyi (G.O. Sars, 1894) - 504291 522 Hydrozoa Diptera Others - Ecrobia ventrosa 527 Insecta Spatagus pusillus O.F. Müller, 1776 Chaetogammarus ischnus 1942 F (Stebbing, 1899) 124273 158004 Hypsogastropoda Hydrobiidae 526 Anthozoa ZipcodeZoo 124402 158131 124593 158295 521 Gastropoda Actiniaria Amphidetus Kürtzii Girard, 1852; Echinocardium sebae Gray, 18??; Echinus cordatus Pennant, 1777; Spatangus arcuarius de Lamarck, 1816; Spatagus flavescens O.F. Müller, 1776 124394 158130 (Montagu, 1803) 525 Anthozoa Fauna Europaea 98379 (Leach, 1815) Echinogammarus (G.O. Sars, warpachowskyi 1894) Edwardsia danica Edwardsia longicornis Edwardsia Edwardsiidae tuberculata Edwardsiella Edwardsiidae carnea Einfeldia Chironomidae carbonaria Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) 107302 (Pennant, 1777) 124392 158129 512 Echinoidea Echinozone coronata Echinus esculentus AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species (Montagu, 1808) F 44014 178398 F Thyonidium pellucidum Düben & Koren, 1846, non Vahl, 1808 Membranipora pilosa (Linnaeus, 1767) 111355 155868 - - 139686 77941 139957 69605 139959 69599 50769 367300 - 102124 137402 68532 134674 83660 (Meigen, 1830) - (Meigen, 1830) - 129478 - 117922 F F 282787 F F Goetghebuer, 1935 - - 440803 282790 F (Fabricius, 1775) - - 117925 282791 F Enipo elisabethae McIntosh, 1900 130737 - Chironomus carbonarius Meigen, 1804 Electra crustulenta (Pallas, 1766); Membranipora crustulenta (Pallas, 1766) Synendotendipes dispar (Meigen, 1830); Harmothoe elisabethae (McIntosh, 1900) 113 Phyllodocida Polynoidae Enipo kinbergi Malmgren, 1866 130738 545 Bivalvia Nuculoida Nuculidae Ennucula tenuis (Montagu, 1808) 140584 567536 546 Insecta Coleoptera Hydrophilidae Thomson, 1884 - 547 Insecta Coleoptera Hydrophilidae Enochrus fuscipennis Enochrus melanicephalus (Olivier, 1792) - 113012 Pharidae Ensis directus (Conrad, 1843) 140732 81022 Pharidae Ensis ensis Linnaeus, 1758 140733 81024 Pharidae Ensis siliqua (Linnaeus, 1758) 140735 81026 Entalophoroecia Diaperoeciidae deflexa Ephemeridae Ephemera danica Ephemera Ephemeridae vulgata Ephemerella Ephemerellidae mucronata Sphaerodori- Ephesiella dae abyssorum PolymitarcyiEphoron virgo dae (Couch, 1842) 111683 206701 Müller, 1764 Ephydatia fluviatilis Ephydatia Spongillidae muelleri Ephydridae Ephydra riparia Epimeria Epimeriidae cornigera Epitheca Corduliidae bimaculata Epitonium Epitoniidae clathratulum Epitonium Epitoniidae clathrus Epitonium Epitoniidae trevelyanum Epitonium Epitoniidae turtonis Ericthonius Ischyroceridae difformis Ericthonius Ischyroceridae punctatus (Linnaeus, 1759) Lieberkühn, 1856 Fallén, 1813 (Fabricius, 1779) (Charpentier, 1825) (Kanmacher, 1798) (Linnaeus, 1758) (Thompson W., 1840) 549 Bivalvia 550 Bivalvia [unassigned] Euheterodonta [unassigned] Euheterodonta [unassigned] Euheterodonta 551 Stenolaemata Cyclostomatida 552 Insecta Ephemeroptera 553 Insecta Ephemeroptera 554 Insecta Ephemeroptera 555 Polychaeta Phyllodocida 556 Insecta Ephemeroptera 557 Demospongiae Haplosclerida 558 Demospongiae Haplosclerida 559 Insecta Diptera 560 Malacostraca Amphipoda 561 Insecta Odonata 562 Gastropoda Caenogastropoda incertae sedis 563 Gastropoda Hypsogastropoda 564 Gastropoda Caenogastropoda incertae sedis Spongillidae 565 Gastropoda Hypsogastropoda 566 Malacostraca Amphipoda 567 Malacostraca Amphipoda 568 Polychaeta Phyllodocida Syllidae Erinaceusyllis erinaceus 569 Malacostraca Decapoda Grapsidae Eriocheir sinensis 570 Malacostraca Amphipoda Melitidae 571 Insecta Trichoptera Leptoceridae 572 Clitellata Arhynchobdellida Erpobdellidae 573 Clitellata Arhynchobdellida Erpobdellidae 574 Clitellata Arhynchobdellida Erpobdellidae 575 Clitellata Arhynchobdellida Erpobdellidae 576 Insecta Odonata Coenagrionidae 577 Malacostraca Mysida Mysidae 578 Malacostraca Mysida Mysidae 579 Malacostraca Mysida Mysidae 583 Gymnolaemata Cheilostomatida Romancheinidae Romancheinidae Romancheinidae Escharinidae 584 Polychaeta Phyllodocida Phyllodocidae 585 Polychaeta Phyllodocida Phyllodocidae 580 Gymnolaemata Cheilostomatida 581 Gymnolaemata Cheilostomatida 582 Gymnolaemata Cheilostomatida - 268484 235816 - - - (Bengtsson, 1909) - 609598 (Olivier, 1791) (Turton, 1819) 131081 Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea 188911 F Ensis americanus (Gould, 1870) 1981 F 97143 193266 F F - - - 167144 47714 - - 97148 193539 F F 25486 167151 F 150919 147505 F 102145 206556 - - 139718 72272 146905 72270 139736 - 139738 72271 Milne-Edwards, 102403 1830 93618 (Bate, 1857) 102408 181141 (Claparède, 1863) 195953 - 107451 99058 102807 93766 H. MilneEdwards, 1853 (Bruzelius, Eriopisa elongata 1859) McLachlan, Erotesis baltica 1877 Lindenfeld & Erpobdella Pietruszynski, monostriata 1890 Erpobdella (Brandes, 1900) nigricollis Erpobdella (Linnaeus, octoculata 1758) Erpobdella (Savigny, 1820) testacea Erythromma (Hansemann, najas 1823) (G.O. Sars, Erythrops elegans 1863) Erythrops Goes, 1864 erythrophthalma (G.O. Sars, Erythrops serrata 1863) Escharella (Fleming, 1828) immersa Escharella (Norman, 1864) laqueata Escharella (Hassall, 1842) ventricosa Escharina vulgaris Moll, 1803 Malmgren, Eteone barbata 1865 (Fabricius, Eteone flava 1780) Polynoe (Enipo) kinbergi Malmgren, 1866 Nucula tenuis (Montagu, 1808); Nuculoma tenuis (Montagu, 1808) Philydrus fuscipennis F Thomson, 1854 64719 Linnaeus, 1758 (Hansen, 1878) Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name 544 Polychaeta 548 Bivalvia 114 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 1649 214359 F Clathrus trevelyanus; Clathrus turtonis Ericthonius brasiliensis (Dana, 1855) Sphaerosyllis (Sphaerosyllis) erinaceus Claparède, 1863 1926 - 603615 F - - 443863 196008 F - - 43963 196009 F - 43965 196012 F 1595 214278 F 181575 568899 - - 119997 90190 119998 90185 120006 90198 111484 156626 Libellula bimaculata Charpentier, 1825 F Nematopus serratus Sars, 1863 Mucronella immersa (Fleming, 1828) 111489 156643 111496 156636 111520 156360 130612 573727 130613 65262 Eteone (Mysta) barbata (Malmgren, 1865) Nereis flava Fabricius, 1780 586 Polychaeta Phyllodocida Phyllodocidae Eteone foliosa Quatrefages, 1866 130614 65270 587 Polychaeta Phyllodocida Phyllodocidae Eteone lactea Claparède, 1868 155176 65267 Phyllodocidae Eteone longa (Fabricius, 1780) 130616 65263 588 Polychaeta Phyllodocida 589 Polychaeta Phyllodocida Phyllodocidae Eteone pusilla Örsted, 1843 327537 65269 590 Malacostraca Decapoda Hippolytidae Eualus cranchii 591 Malacostraca Decapoda Hippolytidae Eualus gaimardii 96807 592 Malacostraca Decapoda Hippolytidae Eualus occultus (Leach, 1817) 156083 (H. Milne107504 Edwards, 1837) (Lebour, 1936) 107506 593 Malacostraca Decapoda Hippolytidae 594 Gastropoda Nudibranchia Eubranchidae 595 Gastropoda Nudibranchia Eubranchidae Eualus pusiolus Eubranchus exiguus Eubranchus pallidus Eubranchus tricolor Eubrychius velutus Euchone analis Euchone papillosa Euchone rubrocincta 596 Gastropoda Nudibranchia Eubranchidae 597 Insecta Coleoptera Curculionidae 598 Polychaeta Sabellida Sabellidae 599 Polychaeta Sabellida Sabellidae 600 Polychaeta Sabellida Sabellidae 601 Polychaeta Capitellida Maldanidae 602 Gymnolaemata Cheilostomatida Eucrateidae 603 Hydrozoa Anthoathecata Eudendriidae 604 Malacostraca Cumacea Leuconidae 605 Malacostraca Cumacea Leuconidae 606 Malacostraca Cumacea Leuconidae 607 Ascidiacea Eudorella emarginata Eudorella truncatula Eudorellopsis deformis Forbes, 1838 78607 - 618066 130903 68092 (Sars, 1851) 130906 68093 (Sars, 1862) 130909 68097 (Krøyer, 1846) 110524 90800 (Bate, 1856) 110535 90803 (Krøyer, 1846) 110536 90819 103764 159615 130624 65287 130639 65280 139800 72466 Molgulidae Eugyra arenosa (Johnston, 1840) Eulalia bilineata 609 Polychaeta Phyllodocida Phyllodocidae Eulalia viridis 610 Gastropoda Hypsogastropoda Eulimidae Eulima bilineata [unassigned] Newtoniellidae Eumetula arctica Caenogastropoda 612 Polychaeta Phyllodocida Phyllodocidae Eumida arctica 613 Polychaeta Phyllodocida Phyllodocidae 614 Polychaeta Phyllodocida Phyllodocidae 615 Polychaeta Phyllodocida Phyllodocidae 616 Polychaeta Phyllodocida Phyllodocidae 617 Polychaeta Phyllodocida Nereididae Eumida bahusiensis Eumida ockelmanni Eumida punctifera Eumida sanguinea Eunereis longissima 618 Polychaeta Phyllodocida Polynoidae 619 Polychaeta Terebellida Terebellidae (Johnston, 1829) Alder, 1848 (Mørch, 1857) Synonymised taxa First record (neobiota) Others Freshwater (F) F Sabella papillosa M. Sars, 1851 Eulalia minuta Ditlevsen, 1917; Eumida minuta (Ditlevsen, 1917); Phyllodoce bilineata Johnston, 1840 (Annenkova, 130640 1946) Bergstrom, 130641 573728 1914 Eibye-Jacobsen, 130642 1987 (Grube, 1860) 130643 65348 (Örsted, 1843) 130644 65343 Johnston, 1840 130375 65974 Eunoe nodosa (M. Sars, 1861) 130745 64436 Eupolymnia nebulosa Eupolymnia nesidensis (Montagu, 1818) (Delle Chiaje, 1828) (G.O. Sars, 1898) Leach, 1815 131489 67913 131490 67908 157889 93015 620 Polychaeta Terebellida Terebellidae Isopoda Munnopsidae Eurycope mutica 622 Malacostraca Isopoda Cirolanidae Eurydice pulchra 118852 92246 623 Malacostraca Decapoda Majidae 98531 624 Malacostraca Decapoda Majidae 625 Malacostraca Amphipoda Isaeidae Eurynome aspera (Pennant, 1777) 107318 Eurynome (Hailstone, 107319 spinosa 1835) Eurystheus 254737 melanops Euspira catena Sertularia loricata Linnaeus, 1758 139090 567571 621 Malacostraca Naticidae ZipcodeZoo 78605 (Kröyer, 1865) Alder & Hancock, 1848 Phyllodocidae Littorinimorpha Fauna Europaea 96811 (M. Sars in G.O. 130289 Sars, 1872) (Linnaeus, Eucratea loricata 111361 155809 1758) Eudendrium (Pallas, 1766) 117554 49102 rameum Phyllodocida 626 Gastropoda Spirontocaris gaimardi (Milne-Edwards, 1837) Euclymene affinis 608 Polychaeta 611 Gastropoda Eteone (Eteone) longa (Fabricius, 1780); Nereis longa Fabricius, 1780 - 78610 139771 Eteone lactea Claparède, 1868 partim; Hypereteone foliosa (Quatrefages, 1865); Hypereteone lactea (Claparède, 1868) partim - (Kroyer, 1841) 107507 (Alder & 139765 Hancock, 1848) (Alder & 139768 Hancock, 1842) (Beck, 1817) Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species (da Costa, 1778) Eulalia sanguinea Örsted, 1843 Nereis longissima Johnston, 1840 Harmothoe nodosa Sars, 1861 Terebella nebulosa Montagu, 1818 98532 94118 140528 573589 Lunatia catena (da Costa, 1778); Natica catena (da Costa, 1778); Polinices (Euspira) catena (da Costa, 1778); Polinices (Lunatia) catena (da Costa, 1778); 115 627 Gastropoda Hypsogastropoda Naticidae Euspira montagui (Forbes, 1838) 628 Gastropoda Hypsogastropoda Naticidae Euspira pallida 629 Gastropoda Littorinimorpha 630 Polychaeta Euspira pulchella (Risso, 1826) 140539 573588 Opheliidae Euzonus flabelligerus Exogone (Exogone) dispar Exogone (Exogone) naidina Exogone (Exogone) verugera Exogone (Parexogone) hebes (Ziegelmeier, 1955) 130487 204551 Phyllodocida Syllidae 632 Polychaeta Phyllodocida Syllidae 633 Polychaeta Phyllodocida Syllidae 634 Polychaeta Phyllodocida Syllidae 635 Polychaeta Sabellida Sabellidae Fabricia stellaris (Müller, 1774) 130913 Friedrich, 1939 (Couthouy, 1838) (Farre, 1837) 130915 68185 139908 78701 111652 155574 (Rathke, 1806) 139940 (Audouin, 1826) 111418 156411 636 Polychaeta Sabellida Sabellidae Nudibranchia Facelinidae 65727 Exogone (Exogone) verugera (Claparède, 1868); (Webster & 131302 Benedict, 1884) 65730 Exogone hebes (Webster & Benedict, 1884) 49698 Filograna implexa Berkeley, 1835 Flabelligera M. Sars, 1829 affinis 130989 68297 130103 67238 153507 567603 Sabellida Serpulidae Flabelligeridae 644 Gastropoda Nudibranchia Flabellinidae Flabellina verrucosa Flustridae Flustra foliacea Flustrellidra 646 Gymnolaemata Ctenostomatida Flustrellidridae hispida Fossaria 647 Gastropoda Basommatophora Lymnaeidae truncatula Haplotaxida Enchytraeidae Fridericia bulbosa 648 Clitellata Funiculina 649 Anthozoa Pennatulacea Funiculinidae quadrangularis Galathea Galatheidae 650 Malacostraca Decapoda intermedia Galathea 651 Malacostraca Decapoda Galatheidae squamifera 652 Malacostraca Decapoda Galatheidae Galathea strigosa Galathowenia 653 Polychaeta Oweniida Oweniidae oculata 654 Malacostraca Gammarellus angulosus (M. Sars, 1829) (Linnaeus, 1758) (O. Fabricius, 1780) (Muller, 1774) - 76503 (Rosa, 1887) 416516 204788 (Pallas, 1766) 128506 719232 (Liljeborg, 1851) 107150 98052 (Leach, 1814) 98050 107154 (Linnaeus, 1761) 107155 98051 (Zachs, 1923) 146950 67662 (Rathke, 1843) 102251 93772 655 Malacostraca Amphipoda (Fabricius, 1779) 102253 93771 656 Malacostraca Amphipoda (Norman, 1869) 148545 - (Johnston, 1828) 102364 94107 Sars, 1879 102365 94105 (Stimpson, 1853) 102367 94106 Liljeborg, 1852 102276 93787 Dahl, 1938 102277 206449 Photidae 658 Malacostraca Amphipoda Photidae 659 Malacostraca Amphipoda Photidae Gammaropsis melanops Gammaropsis nitida Gammarus duebeni Gammarus finmarchicus Gammarus inaequicauda Gammarus insensibilis 660 Malacostraca Amphipoda Gammaridae 661 Malacostraca Amphipoda Gammaridae 662 Malacostraca Amphipoda Gammaridae 663 Malacostraca Amphipoda Gammaridae Coryphella verrucosa (Sars M., 1829); Coryphella verrucosa rufibranchialis (Johnston, 1832) partim Flustra carnosa (Johnston, 1838) partim 111621 155503 Gammarellus Gammarellidae homari Gammaropsis Photidae cornuta Amphipoda Grammaria serpens (Hassall, 1848) 111367 155886 Gammarellidae 657 Malacostraca Facelina drummondi (Thompson, 1844) 78720 Amphipoda Gammaropsis maculata Fabricia sabella (Ehrenberg, 1836); Fabricia amphicora Quatrefages, 1866 - 117690 Flabelligerida Synonymised taxa 131307 (Hassall, 1848) 642 Polychaeta Freshwater (F) (Claparède, 1868) Filellum serpens 643 Polychaeta First record (neobiota) 65726 Lafoeidae Leptothecata Others 131304 641 Hydrozoa Facelinidae Nudibranchia ZipcodeZoo Örsted, 1845 Microporellidae 639 Gastropoda Fauna Europaea 65722 640 Gymnolaemata Cheilostomatida Triticellidae Lunatia alderi (Forbes, 1838); Lunatia intermedia (Philippi, 1836); Lunatia nitida (Donovan, 1800); Lunatia poliana (Della Chiaje, 1826); Natica alderi (Forbes, 1838); Polinices (Euspira) pulchellus (Risso, 1826); Natica nitida; Polinices polianus (Webster, 1879) 131298 Fabriciola baltica Facelina bostoniensis Farrella repens Favorinus branchialis Fenestrulina malusii 638 Gymnolaemata Ctenostomatida Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) (Broderip & 140536 567574 Sowerby, 1829) Naticidae 637 Gastropoda Polinices (Lunatia) montagui (Forbes, 1838) 140533 573587 631 Polychaeta 645 Gymnolaemata Cheilostomatida 116 Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Stock, 1966 102279 (Stock, 1966) 102280 206450 - F Galba truncatula (O.F. Müller, 1774) Myriochele oculata (Zachs, 1923) Gammarus angulosus Rathke, 1843; Gammarus sabini (Leach, 1814) Gammarus maculatus Johnston, 1828; Syn: Eurystheus maculatus Podoceropsis nitida Stebbing, 1906 Marinogammarus finmarchicus (Dahl, 1938) 93789 (Linnaeus, 1758) 102281 93775 Gammaridae Gammarus oceanicus Segerstråle, 1947 102285 93786 Amphipoda Gammaridae 234074 206451 F Gammaridae Gammarus pulex Gammarus roeselii Linnaeus, 1758 Amphipoda Gervais, 1835 478923 - F Amphipoda Gammaridae Gammarus salinus Spooner, 1947 102292 93791 Gammarus tigrinus Gammarus zaddachi Sexton, 1939 102296 93781 Sexton, 1912 102299 93778 Psammobidae Gari fervensis Gmelin, 1791 140870 81263 Psammobidae Gari tellinella Lamarck, 1818 140873 81265 Garveia franciscana (Torrey, 1902) 117340 48820 Gastrosaccus spinifer Gattyana amondseni (Goës, 1864) 120020 90390 (Malmgren, 1867) 130748 64475 130749 - - - Gammaridae 665 Malacostraca Amphipoda Gammaridae 666 Malacostraca Amphipoda 667 Malacostraca 668 Malacostraca 669 Malacostraca 670 Malacostraca Amphipoda Gammaridae 671 Malacostraca Amphipoda Gammaridae Euheterodonta incertae sedis Euheterodonta incertae sedis 674 Hydrozoa Anthoathecata Bougainvilliidae 675 Malacostraca Mysida Mysidae 676 Polychaeta Phyllodocida Polynoidae 677 Polychaeta Phyllodocida Polynoidae Gattyana cirrhosa (Pallas, 1766) 678 Insecta Hemiptera Gerridae Gerris argentatus 679 Insecta Hemiptera Gerridae Gerris lacustris 680 Insecta Hemiptera Gerridae Gerris odontogaster 681 Insecta Hemiptera Gerridae Gerris thoracicus 682 Malacostraca Decapoda Geryonidae Geryon trispinosus 683 Gastropoda Vetigastropoda Trochidae Gibbula cineraria 684 Gastropoda Vetigastropoda Trochidae Gibbula tumida 685 Malacostraca Amphipoda 686 Clitellata Rhynchobdellida 687 Clitellata Rhynchobdellida 688 Clitellata Rhynchobdellida 689 Clitellata Rhynchobdellida Amphilochidae Glossiphoniidae Glossiphoniidae Glossiphoniidae Glossiphoniidae Gitana sarsi Glossiphonia complanata Glossiphonia concolor Glossiphonia paludosa Glossiphonia verrucata 690 Polychaeta Phyllodocida 691 Polychaeta Phyllodocida 692 Polychaeta Phyllodocida 693 Polychaeta Phyllodocida 694 Polychaeta Phyllodocida 695 Polychaeta Phyllodocida 696 Polychaeta Phyllodocida 697 Polychaeta Phyllodocida 698 Polychaeta Phyllodocida 699 Insecta Trichoptera 700 Insecta Diptera 701 Insecta Diptera 702 Insecta Diptera Chironomidae 703 Insecta Diptera Glyptotendipes pallens Glyptotendipes Chironomidae paripes Gmelinoides Gammaridae fasciatus Gnathiidae Gnathia oxyuraea 704 Insecta Diptera 705 Malacostraca Amphipoda 706 Malacostraca Isopoda Schummel, 1832 (Linnaeus, 1758) (Zetterstedt, 1828) Schummel, 1832 (Herbst, 1803) (Linnaeus, 1758) (Montagu, 1803) Boeck, 1871 (Linnaeus, 1758) Chironomidae Glyptotendipes gripekoveni F Gammarus zaddachi oceanicus Segerstrale, 1947 Gammarus zaddachi salinus Spooner, 1947 1975 F Gammarus locusta zaddachi Sexton, 1912 Perigonimus megas Kinne, 1956; Bimeria franciscana Torrey, 1902 1950 Aphrodita cirrhosa Pallas, 1766 71303 219903 - 103846 F F - - 71310 219912 F - - 71311 219914 F 107374 620994 141782 69982 141799 69985 101977 93395 160017 69381 (Apathy, 1888) - - (Carena, 1824) - 568905 (F. Müller, 1844) (O.F. Müller, Glyceridae Glycera alba 1776) Glyceridae Glycera capitata Örsted, 1843 (Quatrefages, Glyceridae Glycera gigantea 1866) Quatrefages, Glyceridae Glycera lapidum 1865 Audouin & Glyceridae Glycera rouxi Milne Edwards, 1833 Glyceridae Glycera tesselata (Grube, 1840) Savigny in Glyceridae Glycera unicornis Lamarck, 1818 Glycinde (Malmgren, Goniadidae nordmanni 1866) Glyphohesione Pilargidae Friedrich, 1950 klatti Glyphotaelius Limnephilidae (Retzius, 1783) pellucidus Glyptotendipes Chironomidae (Staeger, 1839) barbipes Glyptotendipes Chironomidae (Meigen, 1818) glaucus Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) G.O. Sars, 1863 234085 Amphipoda 673 Bivalvia Author /Year Gammarus lacustris Gammarus locusta 664 Malacostraca 672 Bivalvia Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Trochus tumidus Montagu, 1803 F 43978 196043 Batracobdella paludosa (Carena, 1824) Boreobdella verrucata (F. F Müller, 1844) Nereis alba O.F. Müller, 1776 F - 568904 130116 66113 130118 66103 130122 66114 130123 66116 130127 66115 130128 66105 130131 - 130136 66134 130696 - F Synelmis klatti (Friedrich, 1950) - 605436 F 150892 129485 F - - 440957 282754 F (Kieffer, 1913) - 568529 F (Meigen, 1804) - 568534 F (Edwards, 1929) - 129494 (Stebbing, 234081 1899) (Liljeborg, 1855) 118995 206303 Glyptotendipes (Glyptotendipes) cauliginellus (Kieffer, 1913); F 1996 F 117 707 Insecta Trichoptera Goeridae 708 Sipunculidea Golfingiida Golfingiidae 709 Sipunculidea Golfingiida Golfingiidae 710 Insecta Odonata Gomphidae 711 Anthozoa Actiniaria Gonactiniidae 712 Polychaeta Phyllodocida Goniadidae 713 Polychaeta Phyllodocida Goniadidae 714 Polychaeta Phyllodocida Goniadidae 715 Gastropoda Nudibranchia 716 Hydrozoa Leptothecata 717 Gordioidea Goniodorididae Campanulariidae Gordiidae 718 Echinoidea Camarodonta Echinidae 719 Echinoidea Camarodonta Echinidae 720 Insecta Trichoptera Limnephilidae 721 Clitellata Enchytraeida Enchytraeidae (Fabricius, 1775) (Sars, 1851) 175027 - (De Blainville, 1827) 410724 - (Linnaeus, 1758) - - Sars, 1835 100912 52835 Örsted, 1843 130140 66140 (Örsted, 1845) 130141 66142 (Annenkova, 1929) (Montagu, 1808) 78413 (Allman, 1859) 117377 49619 Linnaeus, 1758 - 64229 (Lamarck, 1816) 532031 - (Düben & Koren, 1844) - Erséus, 1977 532035 723 Clitellata Enchytraeida Enchytraeidae Grania variochaeta 724 Clitellata Enchytraeida Enchytraeidae Cimidae Clathrinidae 727 Polychaeta Phyllodocida Hesionidae 728 Polychaeta Phyllodocida Hesionidae 729 Gastropoda Basommatophora Planorbidae 730 Gastropoda Basommatophora Planorbidae 731 Insecta Coleoptera Gyrinidae Gyrinus distinctus Aubé, 1838 732 Insecta Coleoptera Gyrinidae Gyrinus minutus 733 Insecta Coleoptera Gyrinidae Gyrinus natator 734 Clitellata Arhynchobdellida Haemopidae 735 Clitellata Arhynchobdellida Haemopidae 736 Anthozoa Actiniaria Halcampidae 737 Anthozoa Actiniaria Halcampidae 738 Anthozoa Actiniaria Halcampoididae 739 Hydrozoa Leptothecata Haleciidae 740 Hydrozoa Leptothecata Haleciidae 741 Hydrozoa Leptothecata Haleciidae 742 Demospongiae Halichondrida Halichondriidae 743 Demospongiae Halichondrida Halichondriidae 744 Demospongiae Haplosclerida Chalinidae 745 Demospongiae Haplosclerida Chalinidae 746 Demospongiae Haplosclerida Chalinidae * Encyclopedia of Life Haemopis elegans Haemopis sanguisuga Halcampa chrysanthellum Halcampa duodecimcirrata Halcampoides abyssorum Halecium halecium Halecium labrosum Halecium tenellum Halichondria (Halichondria) bowerbanki Halichondria (Halichondria) panicea Haliclona (Haliclona) oculata Haliclona (Haliclona) urceolus Danielssen, 1890 (Linnaeus, 1758) Synonymised taxa Freshwater (F) First record (neobiota) ZipcodeZoo Fauna Europaea Others F Laomedea loveni Allman, 1859 F F Marionina postclitellochaeta (Knöllner, 1935); Michaelsena postclitellochaeta Knöllner, 1935 68526 137419 204775 388029 - 139163 72432 132283 - 328188 65474 130157 65473 - - Leucosolenia blanca Miklucho-Maclay, 1868 270450 2592 F - - 2599 270463 F - - 4786 119389 F 4789 119391 F Linnaeus - 112677 (Linnaeus, 1758) MoquinTandon, 1846 (Linnaeus, 1758) (Peach in 100916 204167 Johnston, 1847) (Sars, 1851) 214334 - 605442 Grania (Knöllner, 1935) 137416 postclitellochaeta Clathrinida 1633 137415 204774 Enchytraeidae Erséus & Lasserre, 1976 Rota & Erseus, Grania vikinga 2003 (Kanmacher, Graphis albida 1798) MikluchoGuancha blanca Maclay, 1868 Hilbig & Gyptis Dittmer, 1979 helgolandica Gyptis rosea Marion, 1875 (O. F. Müller, Gyraulus albus 1774) (Westerlund, Gyraulus riparius 1865) F 147475 573722 140033 (Retzius, 1783) Bio. Sys. Datab.World Diptera - 116424 Enchytraeida 726 Calcarea Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Goera pilosa Golfingia (Golfingia) margaritacea Golfingia (Golfingia) vulgaris vulgaris Gomphus vulgatissimus Gonactinia prolifera Goniada maculata Goniada norvegica Goniadella bobretzkii Goniodoris nodosa Gonothyraea loveni Gordius aquaticus Gracilechinus acutus Gracilechinus elegans Grammotaulius nigropunctatus Grania ovitheca 722 Clitellata 725 Gastropoda 118 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 100917 Gyrinus colymbus auct.nec Erichson, 1837 F 43970 k.A 196066 * Gyrinus mergus Ahrens, 1812 F F 52520 100920 611568 117590 50159 Alder, 1859 117591 50165 Hincks, 1861 117606 50166 Burton, 1930 165801 48398 (Pallas, 1766) 165853 48396 Halichondria panicea (Pallas, 1766) (Pallas, 1766) 132833 47780 Haliclona oculata (Pallas, 1766) (Rathke & Vahl, 1806) 150256 47772 166605 47776 Haliclona (Grant, 1826) (Reniera) cinerea Adocia cinerea (Grant, 1826); Haliclona cinerea (Grant, 1826) 749 Insecta Coleoptera Haliplidae Halicreion aequicornis Halicryptus spinulosus Haliplus confinis 750 Insecta Coleoptera Haliplidae Haliplus flavicollis Sturm, 1834 751 Insecta Coleoptera Haliplidae Haliplus immaculatus Halisarca dujardini Gerhardt, 1877 Johnston, 1842 Halitholus yoldiaarcticae (Birula, 1897) 117787 - (Goetghebuer, 1942) 118148 - F (Staeger, 1839) 118152 128726 F (Staeger, 1839) 118153 - F (Meigen, 1818) 150875 128728 F Schaefer, 1992 (Bean in Thorpe, 1844) Kanneworff, 1966 140072 - 140082 78835 101957 - Liljeborg, 1855 101958 93376 (Boeck, 1871) 103110 657322 747 Malacostraca Amphipoda 748 Priapulida Oedicerotidae Priapulidae 752 Demospongiae Halisarcida Halisarcidae 753 Hydrozoa Anthoathecata Pandeidae 754 Insecta Diptera Chironomidae 755 Insecta Diptera 756 Insecta Diptera 757 Insecta Diptera 758 Gastropoda Cephalaspidea Halocladius braunsi Halocladius Chironomidae variabilis Halocladius Chironomidae varians Halocladius Chironomidae vitripennis Haminoeidae Haminoea exigua 759 Polyplacophora Lepidopleurida Hanleyidae Hanleya hanleyi 760 Malacostraca Amphipoda Ampeliscidae Haploops tenuis 761 Malacostraca Amphipoda Ampeliscidae 762 Malacostraca Amphipoda Stenothoidae 763 Polychaeta Phyllodocida Polynoidae 764 Polychaeta Phyllodocida Polynoidae Haploops tubicola Hardametopa nasuta Harmothoe antilopes Harmothoe borealis (Norman, 1869) 102877 von Siebold, 1849 Stephens,1828 94518 101156 155159 235811 - - - 4572 119461 Haliplus expallidus Zaitzev, F 1908, Haliplus pallidus Semenov, 1904 - - 4579 119432 F 132736 47686 McIntosh, 1876 130754 (Théel, 1879) 130758 Polynoidae Harmothoe extenuata (Grube, 1840) 130762 64509 766 Polychaeta Phyllodocida Polynoidae Harmothoe fragilis Harmothoe imbricata (Moore, 1910) 130763 64536 130769 64513 Phyllodocida 768 Polychaeta Phyllodocida 769 Polychaeta Phyllodocida 770 Insecta Diptera 771 Insecta Diptera 772 Malacostraca Amphipoda 773 Malacostraca Amphipoda 774 Malacostraca Amphipoda 775 Malacostraca Amphipoda 776 Malacostraca Amphipoda 777 Malacostraca Amphipoda 778 Enteropneusta Enteropneusta 779 Hydrozoa Leptothecata Campanulariidae Hartlaubella gelatinosa (Pallas, 1766) Perigonimus yoldiaarcticae (Birula, 1897); Perigonimus cirratus Hartlaub, 1913 130770 64515 130774 64529 Evarnella triannulata (Moore, 1910); Harmothoe plumosa (Grube, 1840); Harmothoe sarniensis Lankester, 1867; Hermadion extenuata (Grube, 1840); Lagisca ehlersi Malmgren, 1867; Lagisca ehlersi pontica Czerniavsky, 1882; Lagisca extenuata (Grube, 1840); Lagisca jeffreysii McIntosh, 1876; Lagisca propinqua Malmgren, 1867; Lepidonotus dumetosus Quatrefages, 1866; Lepidonotus leachii Quatrefages, 1866; Polynoe extenuata Grube, 1840; Polynoe plumosa Grube, 1840; - 129517 - Chironomus variabilis Staeger, 1839 - Phyllodocida 767 Polychaeta F 64561 765 Polychaeta (Linnaeus, Polynoidae 1767) (Johnston, Polynoidae Harmothoe impar 1839) Harmothoe Polynoidae (Grube, 1863) longisetis Harnischia Chironomidae (Malloch, 1915) curtilamellata Harnischia Chironomidae Kieffer, 1921 fuscimana Phoxocephali- Harpinia Meinert, 1890 dae antennaria Phoxocephali- Harpinia (Boeck, 1871) dae crenulata PhoxocephaliHarpinia laevis (Sars, 1891) dae Phoxocephali- Harpinia Sars, 1891 dae pectinata PhoxocephaliHarpinia serrata (Sars, 1878) dae PhoxocephaliHarpinia truncata Sars, 1891 dae Harrimania (von WillemoesHarrimaniidae kupfferi Suhm, 1871) Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species - 117936 Chironomus curtilamellata Malloch, 1915 Cryptochironomus F fuscimanus (Kieffer, 1921) F 282718 102960 94638 Harpinia neglecta Sars; 102963 94654 Harpina crenulata (Boeck, 1871); 102968 206558 102972 94642 102975 94644 102976 94649 137597 158620 117378 49627 Campanularia gelatinosa (Pallas, 1766); Laomede gelatinosa (Pallas, 1766) 119 Terebellida Terebellidae 781 Malacostraca Amphipoda Haustoriidae 782 Insecta Hemiptera Hebridae 783 Polychaeta Phyllodocida Nereididae 784 Clitellata Rhynchobdellida 785 Clitellata Rhynchobdellida 786 Malacostraca Cumacea 102317 206492 Hediste diversicolor (O.F. Müller, 1776) Glossiphoniidae Glossiphoniidae Ephemeroptera Diptera 796 Insecta Hemiptera 797 Bivalvia Pteriomorpha incertae sedis 798 Clitellata Haplotaxida Tubificidae 799 Polychaeta Capitellida Capitellidae 789 Bivalvia Veneroida 790 Malacostraca Mysida 791 Malacostraca Mysida 792 Asteroidea Spinulosida 793 Asteroidea Spinulosida (Fallén, 1807) 110510 90762 (G.O. Sars, 1870) 254672 90765 (Norman,1863) 247753 90761 (Turton, 1822) 246148 - Sars, 1907 120025 90568 (Couch, 1856) 120026 90567 (O.F. Müller, 1776) (O.F. Müller, 1776) Goniasteridae 804 Gastropoda Basommatophora Planorbidae 805 Malacostraca Decapoda Hippolytidae 806 Malacostraca Amphipoda Lysianassidae Hippasteria phrygiana Hippeutis complanatus Hippolyte varians Hippomedon denticulatus Hippothoa divaricata Hippothoa flagellum Holocentropus picicornis Holocentropus stagnalis Hormathia digitata Hornera lichenoides 807 Gymnolaemata Cheilostomatida Hippothoidae 808 Gymnolaemata Cheilostomatida Hippothoidae Polycentropodidae Polycentropodidae 810 Insecta Trichoptera 811 Anthozoa Actiniaria Hormathiidae 812 Stenolaemata Cyclostomatida Horneridae 813 Gastropoda Littorinimorpha Iravadiidae Hyala vitrea Hyalinella punctata Hyalinoecia tubicola Asterias sanguinolenta O.F. Müller, 1776 (Müller, 1776) - - 97198 193367 F (Fabricius, 1776) - - 144251 66314 F - F 67420 (Kroyer, 1842) 136465 91559 (Linnaeus, 1767) 140103 81765 (Parelius, 1768) 124043 157008 (Linnaeus, 1758) (Leach, 1814) - - 107518 96752 (Bate, 1857) 102570 94295 Lamouroux, 1821 111399 156201 Manzoni, 1870 111400 156206 (Albarda, 1874) Saxicava arctica Linnaeus, 1767 2602 270443 F - 600576 F - 600577 F (O.F. Müller, 1776) (Linnaeus, 1758) (Montagu, 1803) (Hancock, 1850) (O.F. Müller, 1776) (Linnaeus, 1758) (Leach, 1815) 107322 98426 107323 98423 Schulze, 1914 290131 - - 50853 100951 52659 111723 18165 140129 - Corixa linnaei (Fieber, 1848) Tubifex costatus (Claparède, 1863); Psammoryctes costatus (Claparède, 1863) Capitella filiformis Claparède, 1864 Heteromysis formosa S.I. Smith, 1874 G.O. Sars, 1883 120039 682886 (Stephens, 1836) Synonymised taxa 1962 F 123974 157165 129884 Valvatida Semierycina nitida (Turton, 1822) 123971 206815 (Claparède, 1864) 803 Asteroidea Freshwater (F) Sars, 1883 Heteromastus filiformis Heteromysis Mysidae norvegica Heterotanais Leptocheliidae oerstedii Hiatella arctica First record (neobiota) F 137554 573809 Hiatellidae Others F - Claparède, 1863 802 Bivalvia ZipcodeZoo 69398 182701 Heterochaeta costata Euheterodonta incertae sedis Nereis (Hediste) diversicolor (O.F. Müller, 1776) 160019 (Linnaeus, 1758) (O.F. Müller, 1774) 138749 205563 Tanaidacea F 65991 Linnaeus, 1758 Mysida Fauna Europaea - 103975 152302 503075 800 Malacostraca Bio. Sys. Datab.World Diptera 68035 (Fieber, 1848) 801 Malacostraca Trichoptera Bio Lib 152389 (Slabber, 1767) 794 Insecta Cumacea TSN (ITIS) (McIntosh, 1869) 795 Insecta Cumacea 788 Malacostraca AphiaID (WoRMS) Hauchiella tribullata Haustorius arenarius Hebrus pusillus Helobdella stagnalis Hemiclepsis marginata Hemilamprops Lampropidae assimilis Hemilamprops Lampropidae cristata Hemilamprops Lampropidae roseus Hemilepton Lasaeidae nitidum Hemimysis Mysidae anomala Hemimysis Mysidae lamornae Henricia Echinasteridae perforata Henricia Echinasteridae sanguinolenta Heptagenia Heptageniidae sulphurea Heptatoma Tabanidae pellucens Hesperocorixa Corixidae linnaei Heteranomia Anomiidae squamula 787 Malacostraca Author /Year Valid Taxon Name Family 780 Polychaeta 809 Insecta 120 Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Onoba vitrea; Phylactol814 aemata Plumatellida Plumatellidae 815 Polychaeta Eunicida Onuphidae 816 Malacostraca Decapoda Majidae Hyas araneus 817 Malacostraca Decapoda Oregoniidae 818 Hydrozoa Anthoathecata Hydridae Hyas coarctatus Hydra circumcincta 819 Hydrozoa Anthoathecata Hydridae Hydra fusca Linnaeus, 1758 820 Hydrozoa Anthoathecata Hydridae Hydra oligactis Pallas, 1766 290145 821 Hydrozoa Anthoathecata Hydridae Hydra oxycnida Schulze, 1914 290147 - Pelmatohydra oligactis F (Pallas, 1766); Hydra oligactis (Pallas, 1766); Hydra fusca Linnaeus, F 1758; Pelmatohydra oligactis (Pallas, 1766) F 822 Hydrozoa Anthoathecata Hydridae Hydra vulgaris Pallas, 1766 290157 - F 472439 156705 130464 F 66213 F 43590 240578 Hydractinia borealis Hydractinia Anthoathecata Hydractiniidae carnea Hydractinia Anthoathecata Hydractiniidae echinata Hydrallmania Leptothecata Sertulariidae falcata Hydrobaenus Diptera Chironomidae pilipes Hydrobia acuta Hypsogastropoda Hydrobiidae neglecta (Mayer, 1900) 151761 - (M. Sars, 1846) 151717 49360 Fleming, 1823 117644 49363 (Linnaeus, 1758) 117890 50049 465551 - 829 Gastropoda Hypsogastropoda Hydrobiidae Hydrobia ulvae (Pennant, 1777) 140126 70498 830 Insecta Coleoptera Hydrophilidae 831 Polychaeta Sabellida Serpulidae Hydrochara caraboides Hydroides norvegicus (Linnaeus, 1758) (Gunnerus, 1768) 823 Hydrozoa 824 Hydrozoa 825 Hydrozoa 826 Hydrozoa 827 Insecta 828 Gastropoda Anthoathecata Hydractiniidae 832 Adenophorea Mermithida Mermithidae Hydromermis contorta 833 Insecta Coleoptera Dytiscidae 834 Insecta Coleoptera Dytiscidae 835 Insecta Coleoptera Dytiscidae 836 Insecta Coleoptera Dytiscidae 837 Insecta Coleoptera Dytiscidae 838 Insecta Trichoptera Hydropsychidae Hydroporus erythrocephalus Hydroporus incognitus Hydroporus nigrita Hydroporus tristis Hydroporus umbrosus Hydropsyche contubernalis Hydroptila angulata Hydroptila pulchricornis Hydroptila simulans Hydroptila tineoides Hydroptila vectis Hygrobia hermanni 839 Insecta Trichoptera Hydroptilidae 840 Insecta Trichoptera Hydroptilidae 841 Insecta Trichoptera Hydroptilidae (Malloch, 1915) Muus, 1963 - - 131009 - 5013 188804 Mermis contorta von Linstow, 1889 (in part); Mermis crassa (von Linstow, 1889) Stiles, 1892; Hydromermis F rivicola Corti, 1902; Hydrornermis implicata Corti, 1906; Paramermis contorta (von Linstow, 1889) Kohn, 1905; - - - (Linnaeus, 1758) - - 4628 119017 F Sharp, 1869 - - 4632 119030 F (Fabricius, 1792) - - 4642 119054 (Paykull, 1798) (Gyllenhal, 1808) MacLachlan, 1865 - 112467 - 568790 F Mosely, 1922 - 606417 F Pictet, 1834 - 606604 F Mosely, 1920 - 606632 F - - Trichoptera Hydroptilidae Trichoptera Hydroptilidae 844 Insecta Coleoptera Hygrobiidae 845 Insecta Coleoptera Dytiscidae Hygrotus impres(Schaller, 1783) sopunctatus - 112210 846 Insecta Coleoptera Dytiscidae Hygrotus inaequalis (Fabricius, 1776) - - (Montagu, 1815) 103251 95110 k.A - * F F 4656 119082 F Dalman, 1819 - 115677 F Curtis, 1834 - 606674 F (Fabricius, 1775) - - Hyperiidae Hyperia galba 848 Gymnolaemata Ctenostomatida Stolonifera Ehlers, 1876 111622 206689 849 Stenolaemata Cyclostomatida Tubuliporidae Hypophorella expansa Idmidronea atlantica Forbes, in Johnston, 1847 111752 155688 850 Malacostraca Isopoda Idoteidae Idotea balthica (Pallas, 1772) 119039 542674 Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea F (von Linstow, 1889) Hagmeier, 1912 842 Insecta Amphipoda Orthocladius pilipes Malloch, 1915 Hydrobia neglecta Muus, 1963 Paludestrina ulvae (Pennant, 1777); Peringia ulvae (Pennant, 1777) Hydrophilus caraboides F (Linnaeus, 1758) - 128764 843 Insecta 847 Malacostraca Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 55403 120372 4620 119158 Hygrobia tarda (Herbst, 1779) Hygrotus impressopunctatus impressopunctatus F (Schaller, 1783), Hygrotus impressopunctatus lineellus LeConte, 1878 F F 851 Malacostraca Isopoda Idoteidae Idotea chelipes (Pallas, 1766) 119042 206339 Idotea tricuspidata Desmarest, 1823; Idotea sarsi Collinge, 1917 Idotea viridis auctorum 852 Malacostraca Isopoda Idoteidae Idotea granulosa Rathke, 1843 119044 542679 Idotea cretaria Dahl, 1916 853 Malacostraca Isopoda Idoteidae Idotea pelagica 119050 542690 854 Insecta Coleoptera Dytiscidae (Leach, 1815) C.G. Thomson, Ilybius aenescens 1870 855 Insecta Coleoptera Dytiscidae Ilybius ater (De Geer, 1774) - 728543 F 856 Insecta Coleoptera Dytiscidae Ilybius fenestratus (Fabricius, 1781) - 193553 F 857 Insecta Coleoptera Dytiscidae 858 Insecta Coleoptera Dytiscidae 859 Insecta Hemiptera Naucoridae 860 Clitellata Haplotaxida Tubificidae * see column BE (Gyllenhal, Ilybius guttiger 1808) Ilybius subaeneus Erichson, 1837 Ilyocoris (Linnaeus, cimicoides 1758) (Southern, Ilyodrilus 1909) templetoni - - - - 4724 119274 4730 119287 F 71351 219787 F - 112191 - - - 68662 F Ilybius ungularis (LeConte, 1862) F F Tubifex templetoni Southern, 1909 121 863 Gastropoda Iothia fulva 864 Malacostraca Amphipoda Iphimediidae Iphimedia obesa 865 Malacostraca Cumacea Iphinoe serrata 866 Insecta Odonata Bodotriidae Coenagrionidae 867 Malacostraca Amphipoda Ischnura elegans 870 Malacostraca Isopoda 871 Malacostraca Isopoda Ischyrocerus anguipes Ischyrocerus Ischyroceridae megacheir Isochaetides Tubificidae michaelseni Jaera (Jaera) Janiridae albifrons Janiridae Jaera (Jaera) sarsi 868 Malacostraca Amphipoda 869 Clitellata Haplotaxida Ischyroceridae 872 Malacostraca Isopoda Janiridae 873 Malacostraca Amphipoda Ischyroceridae Jassa falcata Janira maculosa 874 Malacostraca Amphipoda Ischyroceridae Jassa herdmani 875 Malacostraca Amphipoda 876 Polychaeta Phyllodocida Ischyroceridae Jassa pusilla Kefersteinia Hesionidae cirrata Kellia Kelliidae suborbicularis Kelliellidae Kelliella miliaris 877 Bivalvia 878 Bivalvia Euheterodonta incertae sedis Veneroida Bugulidae 880 Hydrozoa Leptothecata Kirchenpaueriidae 881 Bivalvia Euheterodonta incertae sedis Montacutidae Kurtiella bidentata 882 Holothuroidea Apodida Synaptidae Labidoplax buskii 883 Insecta Coleoptera Hydrophilidae 884 Insecta Coleoptera Hydrophilidae 885 Insecta Coleoptera Dytiscidae 886 Gastropoda Hypsogastropoda Littorinidae 887 Gastropoda Hypsogastropoda Littorinidae 888 Gastropoda Hypsogastropoda Littorinidae 889 Polychaeta Phyllodocida 891 Hydrozoa Euheterodonta incertae sedis Leptothecata 892 Hydrozoa Leptothecata 893 Polychaeta Terebellida 894 Gastropoda (Pennant, 1777) 107327 98534 (Fabricius, 1775) 107333 98535 (Müller O.F., 1776) (Rathke, 1843) 93308 110460 - - - Krøyer, 1838 102412 94153 (Boeck, 1871) 102420 94166 (Lastokin, 1937) 137555 - Leach, 1814 264171 542696 Valkanov, 1936 264185 542709 Leach, 1814 (Montagu, 1808) (Walker, 1893) 118732 92869 102431 94171 102432 - (Sars, 1894) (Keferstein, 1862) 130164 65489 Montagu, 1803 140161 80624 117674 50064 (Montagu, 1803) 345281 - (McIntosh, 1866) 124455 - Laccobius (Fabricius, 1775) bipunctatus Laccobius decorus Gyllenhal, 1827 Laccophilus (De Geer, 1774) hyalinus (da Costa, Lacuna pallidula 140168 1778) (da Costa, Lacuna parva 140169 1778) (Montagu, Lacuna vincta 140170 1803) - Cardiidae Laevicardium crassum Lafoea dumosa Gmelin, 1791 139004 80895 (Fleming, 1820) 117702 49682 Lafoeina tenuis Sars, 1874 117412 204115 Lagis koreni Malmgren, 1866 152367 67717 Lamellaria perspicua Lamprodrilus isoporus Lamprops fasciatus Linnaeus, 1758 140173 72694 G.O. Sars, 1863 110516 90750 Terebellidae Lanassa venusta (Malm, 1874) 131494 67993 Terebellidae Campanulariidae Campanulariidae Lanice conchilega Laomedea calceolifera Laomedea flexuosa Laonice bahusiensis Pallas, 1766 131495 68037 (Hincks, 1871) 117380 49650 Alder, 1857 117382 49652 Söderström, 1920 131127 204500 Spionidae Synonymised taxa Freshwater (F) Lacuna puteolus (Turton, 1819) Trochus divaricatus Fabricius, 1780 Laetmatonice armata Verrill, 1879; Laetmatonice kinbergi Baird, 1865; Letmonicella spinosissima Roule, 1898; 70381 64380 - 4687 70391 Terebellida Spionida First record (neobiota) F 897 Polychaeta 901 Polychaeta Others 118881 Lampropidae Leptothecata ZipcodeZoo 70387 Tubificidae 900 Hydrozoa Fauna Europaea 189047 Haplotaxida Terebellida Psamathe cirrhata Keferstein, 1862 189005 Cumacea Leptothecata Jassa dentex Chevreux & Fage, 1925 4984 896 Malacostraca 898 Polychaeta Jaera albifrons Leach, 1814 N F - 264773 895 Clitellata 899 Hydrozoa F Montacuta bidentata (Montagu, 1803); Mysella bidentata (Montagu, 1803) Synapta buskii McIntosh, 1866; Synapta tenera Norman, 1865; Labidoplax buski; Lapidoplax buskii; Laccobius alutaceus F Thomson, 1868 F 129844 Michaelsen, 1901 F 111179 156100 Kinberg, 1856 Hypsogastropoda Lamellariidae 214281 152396 205639 Laetmonice filicornis Pectinariidae 1605 102437 206504 Aphroditidae Lafoeidae Campanulinidae Bio. Sys. Datab.World Diptera 140186 204838 102347 Norman, 1867 (Van der Linden, 1820) (Philippi, 1844) Danielssen, Kinetoskias smitti 1868 (Linnaeus, Kirchenpaueria 1758) pinnata 879 Gymnolaemata Cheilostomatida 890 Bivalvia 122 Lepetidae Bio Lib Inachidae TSN (ITIS) Decapoda AphiaID (WoRMS) 862 Malacostraca Inachus dorsettensis Inachus phalangium Author /Year Inachidae Valid Taxon Name Family Decapoda Class 861 Malacostraca No Order HELCOM Checklist for Baltic Sea Invertebrate Species - 443997 Pectinaria (Lagis) koreni (Malmgren, 1866) 234178 F Lamprops fasciata Sars, 1863 Laphaniella venusta Malm, 1874; Leaena nuda Moore, 1905; Laomedea conferta Hartlaub, 1897 902 Polychaeta Spionida Spionidae Laonice cirrata (M. Sars, 1851) 131128 66785 903 Polychaeta Sabellida Sabellidae 68167 Phyllodocida 131068 65097 905 Malacostraca Isopoda (Leach, 1814) 118953 545128 906 Malacostraca Isopoda 907 Malacostraca Amphipoda Sigalionidae Sphaeromatidae Sphaeromatidae Aoridae Malmgren, 1866 Ehlers, 1874 130924 904 Polychaeta Laonome kroeyeri Leanira hystricis Lekanesphaera hookeri Lekanesphaera rugicauda Lembos websteri Lepetidae Lepeta caeca 908 Gastropoda 909 Polyplacophora Chitonida 910 Polychaeta Tonicellidae Phyllodocida Polynoidae 911 Insecta Trichoptera Lepidostomatidae 912 Asteroidea Forcipulatida Asteriidae 913 Asteroidea Forcipulatida Asteriidae 914 Insecta Trichoptera Leptoceridae 915 Malacostraca Amphipoda Aoridae 916 Malacostraca Amphipoda Aoridae 917 Polyplacophora Lepidopleurida 918 Polyplacophora Lepidopleurida 919 Polyplacophora Lepidopleurida Leptochitonidae Leptochitonidae Leptochitonidae Leptognathiidae 920 Malacostraca Tanaidacea 921 Malacostraca Mysida Mysidae 922 Malacostraca Mysida Mysidae 923 Bivalvia Euheterodonta incertae sedis Leptonidae Lepidochitona (Lepidochitona) cinerea Lepidonotus squamatus Lepidostoma hirtum Leptasterias (Leptasterias) muelleri Leptasterias danica Leptocerus tineiformis Leptocheirus hirsutimanus Leptocheirus pilosus Leptochiton alveolus Leptochiton asellus Synonymised taxa Freshwater (F) 78883 Lepidopleurus cinereus (Linnaeus, 1767) (Linnaeus, 1758) 130801 64604 Aphrodita squamata Linnaeus, 1758 (Fabricius, 1775) - 605083 (M. Sars, 1846) 125158 157247 (Levinsen, 1887) 369167 - 602932 (Bate, 1862) 102036 206414 Zaddach, 1844 102040 206416 (M. Sars MS, Lovén, 1846) 140197 (Gmelin, 1791) (Lilljeborg, 1864) (G.O. Sars, 1864) F - Curtis, 1834 F 78821 hiton asellus Gmelin, 1791; Chiton cinereus Montagu, 1803 non Linnaeus 1767 nec Poli, 1791; Chiton onyx Spengler, 1797; Chiton scoticus Leach, 1852; Lepidopleurus asellus 140199 205343 140210 205348 136431 91801 120052 90684 G.O. Sars, 1877 120056 90682 Mysis gracilis G.O. Sars, 1864 Montagu, 1803 140218 205589 Leptoplanidae 926 Malacostraca Cumacea Diastylidae (Müller, 1774) Örsted 1843 (Lilljeborg, 1855) 927 Malacostraca Cumacea Diastylidae 928 Malacostraca Cumacea Diastylidae Leptoplana tremellaris Leptostylis ampullacea Leptostylis longimana Leptostylis villosa Leptosynapta decaria 124635 142827 204207 110501 90882 110503 90883 Sars, 1869 (Östergren, 1905) 110506 90880 Synaptidae 930 Holothuroidea Apodida Synaptidae Leptosynapta inhaerens (O.F. Müller, 1776) 931 Insecta Odonata Lestidae Lestes dryas 932 Insecta Odonata Lestidae Lestes sponsa Kirby, 1890 (Hansemann, 1823) Leuckartiara octona Leucon (Leucon) fulvus 124463 206858 Holothuria inhaerens O.F. Müller, 1776; Synapta duvernaea de Quatrefages, 18??; F Lestes nympha Selys, 1840 124465 158431 - 102066 - - (Fleming, 1823) 117791 49146 (Sars, 1865) Cucumaria cucumis (Risso, 18??); Cucumaria elongata Düben & Koren, 1846; Cucumaria pentactes Forbes, 1841 non (Linnaeus, 1767); - (Sars, 1865) 929 Holothuroidea Apodida Leuconidae First record (neobiota) 140143 925 Rhabditophora Polycladida Cumacea Others 69759 (Linnaeus, 1767) (Düben & Koren, 1846) 934 Malacostraca ZipcodeZoo 93459 140187 Leptopentacta elongata Pandeidae Fauna Europaea 118958 545133 102033 Cucumariidae Anthoathecata Sphaeroma hookeri Leach, 1814 Sphaeroma rugicauda Leach, 1814 (Bate, 1857) (Müller O.F., 1776) 924 Holothuroidea Dendrochirotida 933 Hydrozoa Aricidea alata Treadwell, 1901; Aricideopsis megalops Johnson, 1901; Chaetosphaera falconis Haecker, 1898; Laonice pugettensis Banse & Hobson, 1968; Nerine cirrata Sars, 1851; Scolecolepis cirrata Webster & Benedict, 1884; Spionides cirratus Webster & Benedict, 1887; (Leach, 1814) Leptochiton sarsi Kaas, 1981 Leptognathia breviremis Leptomysis gracilis Leptomysis mediterranea Lepton squamosum Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 110616 - 1573 214250 F Perigonimus repens Allman, 1863 123 Cumacea Leuconidae Leucon (Leucon) nasica (Krøyer, 1841) 110618 90780 936 Malacostraca Cumacea Leuconidae Leucon acutirostris G.O. Sars, 1865 110615 90785 937 Insecta Odonata Libellulidae Leucorrhinia pectoralis Leucosolenia complicata Leucosolenia fragilis (Charpentier, 1825) Leucosoleniidae Leucosoleniidae 938 Calcarea Leucosolenida 939 Calcarea Leucosolenida 940 Malacostraca Amphipoda Leucothoidae Leucothoe incisa 941 Malacostraca Amphipoda Leucothoidae 942 Malacostraca Amphipoda Leucothoidae Leucothoe lilljeborgi Leucothoe spinicarpa 943 Polychaeta Orbiniida Paraonidae Libellula Libellulidae quadrimaculata Lichenopora Lichenoporidae verrucaria 944 Insecta Odonata 945 Stenolaemata Cyclostomatida 946 Malacostraca Isopoda Amphipoda 948 Gastropoda Nudibranchia 949 Gastropoda Sacoglossa 950 Gastropoda Sacoglossa 951 Bivalvia 952 Bivalvia 953 Bivalvia Pteriomorpha incertae sedis Pteriomorpha incertae sedis Pteriomorpha incertae sedis 954 Insecta Trichoptera 955 Insecta Trichoptera 956 Insecta Trichoptera 957 Insecta Trichoptera 958 Insecta Trichoptera 959 Insecta Trichoptera 960 Insecta Trichoptera 961 Insecta Trichoptera 962 Insecta Trichoptera 963 Insecta Trichoptera 964 Insecta Trichoptera 965 Insecta Trichoptera 966 Insecta Trichoptera 967 Insecta Trichoptera 968 Insecta Trichoptera 969 Clitellata Haplotaxida 970 Clitellata Haplotaxida 971 Clitellata Haplotaxida 972 Clitellata Haplotaxida 973 Malacostraca Mysida 974 Insecta Diptera 975 Insecta Diptera 976 Insecta Hemiptera 977 Malacostraca Isopoda Ligia oceanica Liljeborgiidae Liljeborgia macronyx (Haeckel, 1870) 132224 - (Robertson, 1892) 102460 94200 Boeck, 1861 102462 206505 (Abildgaard, 1789) 102470 94199 130578 66729 Linnaeus, 1758 (O. Fabricius, 1780) (Linnaeus, 1767) (Sars, 1894) (Müller O.F., Polyceridae Limacia clavigera 1776) (O.F. Müller, Limapontia Limapontiidae 1774) capitata (Alder & Limapontia Limapontiidae Hancock, 1862) depressa Sowerby G.B. I, Limidae Limaria loscombii 1824 Limidae Limatula gwyni Limatula Limidae subauriculata Limnephilus Limnephilidae affinis Limnephilus Limnephilidae auricula Limnephilus Limnephilidae borealis Limnephilus Limnephilidae decipiens Limnephilus Limnephilidae extricatus Limnephilus Limnephilidae flavicornis Limnephilus Limnephilidae griseus Limnephilus Limnephilidae lunatus Limnephilus Limnephilidae luridus Limnephilus Limnephilidae marmoratus Limnephilus Limnephilidae politus Limnephilus Limnephilidae rhombicus Limnephilus Limnephilidae sparsus Limnephilus Limnephilidae stigma Limnephilus Limnephilidae subcentralis Limnodrilus Tubificidae claparedeanus Limnodrilus Tubificidae hoffmeisteri Limnodrilus Tubificidae profundicola Limnodrilus Tubificidae udekemianus Limnomysis Mysidae benedeni Limnophyes Chironomidae hydrophilus Limnophyes Chironomidae minimus Limnoporus Gerridae rufoscutellatus Limnoria Limnoriidae lignorum - 132219 203876 Levinsenia gracilis (Tauber, 1879) Ligiidae - Montagu, 1818 Sykes, 1903 Leucon (Leucon) nasica (Krøyer, 1841) ERMS accpeted; Leucon (Leucon) acutirostris G.O. Sars, 1865 ERMS accepted; 1676 214382 F Leucothoe imparicornis; Gammarus spinicarpa Abildgaard, 1789 Paraonis gracilis (Tauber, 1879) - 101896 F 111741 155783 146999 93230 102484 - 140830 78346 Oniscus oceanica Linnaeus, 1767 Pontolimax capitatus (Müller, 1774) 140229 205213 140230 205214 153952 Limea loscombii (Sowerby G.B. I, 1823) - 140237 205566 Montagu, 1808 140242 79828 Curtis, 1834 - 605456 F Curtis, 1834 - 605469 F (Zetterstedt, 1840) - 605474 F (Kolenati, 1848) - 605486 F - 605493 F - 568805 F - 116157 F Curtis, 1834 - 568798 F Curtis, 1834 - 605519 F Curtis, 1834 - 605522 F - 605539 F McLachlan, 1865 (Fabricius, 1787) (Linnaeus, 1758) McLachlan, 1865 (Linnaeus, 1758) - 116077 F Curtis, 1834 - 605552 F Curtis, 1833 - 568803 F Brauer, 1857 - 605553 F Ratzel, 1868 - 68654 F Claparède, 1862 137556 68639 F (Verrill, 1873) 475838 68649 F 157593 68644 F 120062 90553 Claparède, 1862 Czerniavsky, 1882 (Goetghebuer, 1921) - - 441610 F - 128799 F (Latreille, 1807) - 103873 F 118917 92427 Tubifex helveticus Piquet, 1913, Tubifex profundicola 1962 F 283796 (Meigen, 1818) (Rathke, 1799) Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family 935 Malacostraca 947 Malacostraca 124 Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Paralimnophyes longiseta (Thienemann, 1919); 978 Anopla Lineidae 979 Anopla Lineidae 980 Anopla Lineidae 981 Anopla Lineidae 982 Anopla Lineidae 983 Malacostraca Decapoda Portunidae 984 Malacostraca Decapoda Portunidae 985 Malacostraca Decapoda Portunidae 986 Malacostraca Decapoda 987 Polychaeta 988 Malacostraca 989 Gastropoda 990 Gastropoda 991 Gastropoda 992 Gastropoda (Renier, 1804) (Gunnerus, 1770) Lineus viridis Liocarcinus depurator (Müller, 1774) (Linnaeus, 1758) Liocarcinus holsatus (Fabricius, 1798) 107388 573714 (Herbst, 1794) 107392 (Leach, 1816) 107393 - 333844 - 107205 97943 - - 140262 70419 140263 70420 70405 Liocarcinus navigator Liocarcinus Portunidae pusillus Lipobranchus Scalibregmidae jeffreysii 122511 122536 472353 156720 994 Malacostraca Decapoda Epialtidae 995 Bivalvia Euheterodonta incertae sedis Lucinidae Lophopus crystallinus Loxorhynchus crispatus Lucinoma borealis 996 Asteroidea Paxillosida Luidiidae Luidia sarsi 997 Clitellata Haplotaxida Enchytraeidae 998 Clitellata Haplotaxida Enchytraeidae (Michaelsen, 1889) (Michaelsen, 1934) 999 Clitellata Haplotaxida Enchytraeidae Lumbricillus arenarius Lumbricillus helgolandicus Lumbricillus lineatus (Müller, 1774) 137438 1000 Clitellata Haplotaxida Enchytraeidae Lumbricillus semifuscus (Claparède, 1861) 137452 204761 1001 Polychaeta Capitellida Maldanidae M.Sars in G.O. Sars, 1872 130299 - 1002 Clitellata Lumbriculida Lumbriculidae Lumbriclymene cylindricaudata Lumbriculus variegatus (Müller, 1774) 177538 68444 Eunicida Lumbrineridae 1004 Polychaeta Eunicida Lumbrineridae 1005 Polychaeta Eunicida 1006 Polychaeta Eunicida 1007 Polychaeta Eunicida Lumbrineris fragilis Lumbrineris gracilis Lumbrineris Lumbrineridae impatiens Lumbrineris Lumbrineridae magnidentata Lumbrineris Lumbrineridae scopa 1008 Polychaeta Eunicida Lumbrineridae 1009 Gastropoda Basommatophora Lymnaeidae 1010 Insecta Trichoptera Stimpson, 1857 441601 98478 (Linnaeus, 1767) 80401 2500 269373 1903 F Turbo littoreus Linnaeus, 1758 Turbo obtusatus Linnaeus, 1758 Littorina rudis (Maton, 1797); Littorina tenebrosus (Montagu, 1803) Lucina borealis (Linnaeus, 1767); Luidia paucispina von Marenzeller, 1893; Luidia sarsii Düben & Koren, in Düben, 1845; Luidia savignyi Düben and Koren, 1846; Enchytraeus arenarius Michaelsen, 1889 Pachydrilus helgolandicus Michaelsen, 1934 [1959] Pachydrilus lineatus (Müller, 1774) Pachydrilus semifuscus Claparède, 1861; Marionina semifusca (Claparède, 1861) Lumbricus tubicola Müller, 1788 137424 204744 137433 204750 68513 (O.F. Müller, 1766) 152285 Ehlers, 1868 130244 66380 Claparède, 1868 157477 66354 Winsnes, 1981 155360 - Fauchald, 1974 130253 204471 (Schmarda, 1861) Lymnaea stagnalis (Linnaeus, 1758) (Stephens, 1836) Synonymised taxa Freshwater (F) Lipobranchus jeffreysi; Düben & Koren, 178639 156871 1845 Lumbrineris tetraura Psychomyiidae Lype phaeopa First record (neobiota) - Lophopodidae 140283 Polybius (Polybius) depurator (Linnaeus, 1758) Macropipus holsatus (Fabricius, 1798); Polybius (Polybius) holsatus (Fabricius, 1798); Portunus holsatus (Fabricius, 1798) - Plumatellida 1003 Polychaeta Others 122543 204279 107387 140264 (Pallas, 1766) ZipcodeZoo - Littorina saxatilis (Olivi, 1792) Phylactolaemata Heterolineus longissimus Gunnerus, 1770 Heterolineus pseudoruber Friedrich, 1935 57463 Hypsogastropoda Littorinidae 993 Fauna Europaea 57462 122528 204277 (Friedrich, 1935) 122534 (Müller, 1774) Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) Lineus bilineatus Lineus longissimus Lineus pseudoruber Lineus ruber (McIntosh, 1869) (Linnaeus, Decapoda Lithodidae Lithodes maja 1758) Caenogastropoda (C. Pfeiffer, Lithoglyphus Lithoglyphidae incertae sedis 1828) naticoides (Linnaeus, Hypsogastropoda Littorinidae Littorina littorea 1758) Littorina (Linnaeus, Hypsogastropoda Littorinidae obtusata 1758) Opheliida AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species F Lumbriconereis borealis Kinberg, 1865; Lumbriconereis fragilis; Lumbricus fragilis Müller, 1776; Nereis fragilis (Müller, 1776); Scoletoma fragilis (O.F. Müller, 1776); Unciniseta swenanderi Bidenkap, 1907; 66338 Lumbriconereis (Notocirrus) tetraura (Schmarda, 1861); Lumbriconereis tetraura (Schmarda, 1861); Lumbrinereis tetraura (Schmarda, 1861); Notocirrus tetraurus Schmarda, 1861; 152293 66357 181582 76487 F - 115393 F Anticyra phaeopa Stephens, 1836 125 1011 Polychaeta Terebellida 1012 Polychaeta Terebellida 1013 Bivalvia 1014 Bivalvia Euheterodonta incertae sedis Euheterodonta incertae sedis 1015 Insecta Diptera 1016 Malacostraca Decapoda 1017 Insecta Coleoptera 1018 Insecta Coleoptera 1019 Malacostraca Decapoda Tellinidae Lysilla loveni Macoma calcarea (Gmelin, 1791) Macropelopia nebulosa Macropipus Polybiidae tuberculatus Macroplea Chrysomelidae mutica Macroplea Chrysomelidae pubipennis Macropodia Inachidae deflexa Chironomidae 1020 Malacostraca Decapoda Inachidae 1021 Malacostraca Decapoda Inachidae Macropodia rostrata Macrostomum appendiculatum (Meigen, 1804) (Roux, 1830) 131500 68003 129800 67760 141580 - - 117545 98743 - (Reuter, 1875) - 242290 - Forest, 1978 107338 - Forest & Zariquiey Alvarez, 1964 107341 98557 (Linnaeus, 1761) 107345 98555 1022 Rhabditophora Macrostomida 1023 Bivalvia Veneroida Mactridae 1024 Malacostraca Amphipoda Melitidae 1025 Polychaeta Spionida Magelonidae 1026 Polychaeta Spionida Magelonidae 1027 Polychaeta Spionida Magelonidae 1028 Polychaeta Spionida Magelonidae Magelona mirabilis (Johnston, 1865) 1029 Enopla Bdellonemertea Malacobdellidae 1030 Polychaeta Spionida Spionidae Malacobdella grossa Malacoceros fuliginosus 1031 Polychaeta Spionida Spionidae 1032 Polychaeta Spionida 1033 Polychaeta Capitellida 481374 Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo 81035 107397 (O. Fabricius, 1826) (Linnaeus, Mactra stultorum 1758) (Bruzelius, Maera loveni 1859) Magelona alleni Wilson, 1958 Magelona (Wilson, 1959) filiformis Magelona minuta Eliason, 1962 Fauna Europaea Tellina baltica (Linnaeus, 1758) Tellina calcarea Gmelin, 1791 141579 567846 (Fabricius, 1792) 150842 Macrostomidae Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Malmgren, 1866 Malmgren, Ampharetidae Lysippe labiata 1866 (Linnaeus, Tellinidae Macoma balthica 1758) Terebellidae Macropodia linaresi 284795 F F Haemonia mutica 243486 F Stenorhynchus rostratus (Linnaeus, 1761) - F 140299 205630 Mactra corallina (Linnaeus, 1758) 102820 93796 Moera loveni; 130266 67063 130268 67053 130270 67064 130271 67065 (Müller, 1776) 122641 57595 (Claparède, 1869) 131131 204512 Malacoceros fuliginosus (Claparède, 1870) 131131 204512 Spionidae Malacoceros tetracerus (Schmarda, 1861) 333954 204513 Maldanidae Maldane sarsi Malmgren, 1865 130305 67536 Malmgreniella andreapolis Malmgreniella arenicolae (McIntosh, 1874) (de Saint Joseph, 1888) 130809 - 130810 - 130813 - 130815 - Magelona papillicornis McIntosh, 1878 non F. Müller, 1858 Syn: Malacoceros vulgaris Quatrefages, 1843 ; Scolelepis fuliginosa Colobranchus tetracerus Schmarda, 1861 Clymene koreni Hansen, 1882; Maldane sarsi tropica Monro, 1937 1034 Polychaeta Phyllodocida Polynoidae 1035 Polychaeta Phyllodocida Polynoidae 1036 Polychaeta Phyllodocida Polynoidae Malmgreniella glabra (Malmgren, 1866) 1037 Polychaeta Phyllodocida Polynoidae 1038 Polychaeta Phyllodocida Polynoidae Malmgreniella ljungmani Malmgreniella lunulata (Malmgren, 1867) (Delle Chiaje, 1830) 1039 Polychaeta Phyllodocida Polynoidae Malmgreniella mcintoshi (Tebble & Chambers, 1982) 130818 - 1040 Polychaeta Sabellida Sabellidae Manayunkia aestuarina Mangelia attenuata (Bourne, 1883) 130926 68171 (Montagu, 1803) 139265 74571 Cythara attenuata; - Mangelia coarctata (Forbes, 1840) 1041 Gastropoda Neogastropoda Conidae 1042 Gastropoda Neogastropoda Conidae Mangelia costata (Pennant, 1777) 139272 Spionida Spionidae 1044 Polychaeta Spionida Spionidae 1045 Polychaeta Spionida Spionidae Marenzelleria arctia Marenzelleria neglecta Marenzelleria viridis Margarites helicinus Turbinidae 1047 Clitellata Haplotaxida Enchytraeidae 1048 Gastropoda Hypsogastropoda Triphoridae 1049 Gastropoda Neotaenioglossa Hydrobiidae 1050 Asteroidea Forcipulatida Asteriidae (Chamberlin, 1920) Sikorski & Bick, 2004 Harmothoe arenicolae Saint-Joseph, 1888 Harmothoe glabra (Malmgren, 1865); Harmothoe longisetis Auctt. non Grube, 1863 Harmothoe ljungmani (Malmgren, 1867) Harmothoe lunulata (Delle Chiaje, 1830); Harmothoe mcintoshi Tebble & Chambers, 1982; Malmgrenia mcintoshi (Tebble & Chambers, 1982) Haplobranchus aestuarinus Bourne, 1883 130816 573735 1043 Polychaeta 1046 Gastropoda 126 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 333964 - 2005 181523 - 1985 (Verrill, 1873) 131135 573739 2005 (Phipps, 1774) 141821 69879 137471 68522 141715 - - - (Leuckart, Marionina spicula 1847) (Montagu, Marshallora 1803) adversa (A. Schmidt Marstoniopsis 1856) scholtzi Marthasterias (Linnaeus, glacialis 1758) 123803 157289 Marenzelleria viridis (Verrill, 1873) partim Marenzelleria wireni Augener, 1913 partim Enchytraeus spiculus Leuckart, 1847 16730 269354 F 1051 Malacostraca 1052 Polychaeta 1053 Malacostraca 1054 Malacostraca 1055 Gastropoda 1056 Gastropoda 1057 Gastropoda 1058 Gastropoda 1059 Gastropoda 1060 Gastropoda Medicorophium affine Mediomastus Capitellida Capitellidae fragilis Megaluropus Amphipoda Megaluropidae agilis Megamphopus Amphipoda Photidae cornutus Megastomia Pyramidellidae conoidea [unassigned] Melanella Eulimidae Caenogastropoda conoidea [unassigned] Eulimidae Melanella lubrica Caenogastropoda [unassigned] Eulimidae Melanella polita Caenogastropoda [unassigned] Melanella Eulimidae Caenogastropoda pyramidalis [unassigned] Eulimidae Melanella sinuosa Caenogastropoda Amphipoda Corophiidae Melicertum octocostatum (Bruzelius, 1859) Rasmussen, 1973 423507 - 129892 67443 (Hoeck, 1889) 102783 206455 Norman, 1869 102377 94126 (Brocchi, 1884) 224401 - 419843 72455 139849 - 139859 - 566149 - (Scacchi, 1836) 566157 - (Sars, 1835) 117743 50547 67763 (Kurtz & Stimpson, 1851) (Monterosato, 1890) (Linnaeus, 1758) (Sowerby, 1866) 1061 Hydrozoa Leptothecata Melicertidae 1062 Polychaeta Terebellida Ampharetidae Melinna cristata (M. Sars, 1851) 129804 1063 Malacostraca Amphipoda Melitidae Melita dentata 102837 93809 1064 Malacostraca Amphipoda Melitidae Melita palmata (Kröyer, 1842) (Montagu, 1804) 102843 93807 1065 Malacostraca Amphipoda 102856 94485 Amphipoda Melphidippa borealis Melphidippella macra Membranipora membranacea Membraniporella nitida Boeck, 1871 1066 Malacostraca Melphidippidae Melphidippidae Membraniporidae 1067 Gymnolaemata Cheilostomatida 1068 Gymnolaemata Cheilostomatida Cribrilinidae (Linnaeus, 1767) (Johnston, 1838) Mendicula ferruginosa (Forbes, 1844) 152905 567886 1070 Hydrozoa Anthoathecata Oceaniidae Merona cornucopiae Mesopodopsis slabberi Norman, 1864 117434 719075 (van Beneden, 120072 90298 1861) Mulsant & Rey, Mesovelia fuscata - 718546 1852 Metacnephia (Rubtsov, 1956) crassifistula 1071 Malacostraca Mysida Mysidae 1072 Insecta Hemiptera Mesoveliidae 1073 Insecta Diptera Simulidae 1074 Malacostraca Amphipoda Stenothoidae Metopa alderi (Bate, 1857) 103116 1075 Malacostraca Amphipoda Stenothoidae Metopa pusilla Sars, 1892 103132 206578 1076 Anthozoa Actiniaria Metridiidae Metridium senile (Linnaeus, 1761) 100982 1077 Insecta Diptera 1078 Insecta Diptera 1079 Malacostraca Amphipoda 1080 Malacostraca Amphipoda Microchironomus conjugens Microchironomus Chironomidae tener Microdeutopus Aoridae anomalus Microdeutopus Aoridae gryllotalpa Microdeutopus Aoridae versiculatus Micronecta Corixidae griseola Micronecta Corixidae minutissima Microphthalmus Hesionidae aberrans Microphthalmus Hesionidae listensis Microphthalmus Hesionidae sczelkowii Microphthalmus Hesionidae similis MicroporelMicroporella lidae ciliata Microprotopus Isaeidae maculatus Micropsectra Chironomidae curvicornis Micropsectra Chironomidae praecox Amphipoda Hemiptera 1083 Insecta Hemiptera 1084 Polychaeta Phyllodocida 1085 Polychaeta Phyllodocida 1086 Polychaeta Phyllodocida 1087 Polychaeta Phyllodocida 1088 Gymnolaemata Cheilostomatida 1089 Malacostraca Amphipoda 1090 Insecta Diptera 1091 Insecta Diptera * Encyclopedia of Life Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Melanella monterosatoi (Monterosato, 1890) Stomobrachium octocosatatum (M. Sars, 1835) Sabellides cristata M. Sars, 1851 Cancer palmatus Montagu, 1804 Flustra membranacea Linnaeus, 1767 Lepralia nitida Johnston, 1838 Axinus ferrugineus Locard, 1886; Kellia ferruginosa Forbes, 1844; Lucina ferruginosa (Forbes, 1844); Thyasira ferruginea (Locard, 1886); Thyasira ferruginosa (Forbes 1844); 111320 156172 Thyasiridae 1082 Insecta Melanella lubricata; 111411 155824 Euheterodonta incertae sedis 1081 Malacostraca Corophium affine Bruzelius, 1859 (Norman, 1869) 102860 206549 1069 Bivalvia Chironomidae Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Merona cornucopia; F - Actinia dianthus Johnston, 1847 52737 - (Kieffer, 1918) - - 117943 (Rathke, 1843) 102043 93478 Costa, 1853 102048 93477 (Bate, 1856) 102053 206412 - k.A 282694 * F F Gammarus anomalus Rathke, 1843 - - 71291 219774 F - - 323372 219777 F 130168 65478 130172 65479 130174 65477 130176 65480 Podarke aberrans Webster & Benedict, 1887 (Pallas, 1766) 111421 156398 Norman, 1867 102380 94124 - - - - 117957 Tshernovskij, 1949 (Wiedemann, 1818) F Metopa spectabilis G.O. Sars, 1879 - (Linnaeus, 1758) (Webser & Benedict, 1887) Westheide, 1967 Metschnikow, 1865 Bobretzky, 1870 - 94960 Lenz, 1926 Horváth, 1899 5610 Mesovelia furcata Mulsant & Rey, 1852 Microdentopus maculatus (Norman, 1867) - 88879 - F 283343 F Micropsectra junci (Meigen, 1818); 127 1092 Polychaeta Spionida 1093 Rhabditophora Macrostomida 1094 Insecta Diptera 1095 Insecta Diptera 1096 Anopla 1097 Anopla 1098 Bivalvia Ostreoida 1099 Rhabditophora Seriata 1101 Bivalvia Mytiloida Mytilidae Modiolarca subpicta 1102 Bivalvia Mytiloida Mytilidae 1103 Bivalvia Mytiloida Mytilidae Modiolus barbatus Modiolus modiolus 1104 Insecta Trichoptera Molannidae 1105 Insecta Trichoptera Molannidae 1106 Ascidiacea Molgulidae 1107 Ascidiacea Molgulidae 1110 Malacostraca 1111 Malacostraca 1112 Malacostraca 1113 Malacostraca 1114 Insecta 1115 Gastropoda 1116 Malacostraca 1117 Malacostraca 1118 Clitellata 1119 Bivalvia 1120 Malacostraca 1121 Bivalvia (Meigen, 1818) (De Geer, 1776) (Cantraine, 1835) (Linnaeus, 1758) (Linnaeus, 1758) (Zetterstedt, Molanna albicans 1840) Molanna Curtis, 1834 angustata Alder & Molgula citrina Hancock, 1848 Molgula (De Kay, 1843) manhattensis Molgulidae Molgula occulta Monocorophium insidiosum Monoculodes Amphipoda Oedicerotidae carinatus Monoculodes Amphipoda Oedicerotidae packardi Monoculodes Amphipoda Oedicerotidae pallidus Monoculopsis Amphipoda Oedicerotidae longicornis Monodiamesa Diptera Chironomidae bathyphila Monophorus Hypsogastropoda Triphoridae perversus Monoporeia Amphipoda Pontoporeiidae affinis Pseudocuma- MonopseuCumacea tidae documa gilsoni Monopylephorus Haplotaxida Tubificidae rubroniveus Montacuta Veneroida Montacutidae substriata Isopoda Munnidae Munna minuta Euheterodonta Musculium Pisidiidae incertae sedis lacustre Amphipoda (Claparède, 1869) (Müller OF, 1773) Cantell, 1975 Ehrenberg, Lineidae Micrura fasciolata 1828 Mimachlamys (Linnaeus, Pectinidae varia 1758) Karling & Monocelididae Minona baltica Kinnander, 1953 Minuspio Spionidae Berkeley, 1927 multibranchiata Spionida 1109 Malacostraca Corophiidae 142793 - - 117945 140696 79628 143546 - 152419 - 140460 - 140464 79508 140467 79501 Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo F 103775 159564 Molgula ampulloides (Beneden, 1846) 103788 159557 (Bate, 1857) 102882 Corophium insidiosum Crawford, 1937 148592 656759 94526 Boeck, 1871 102892 94529 Sars, 1892 102893 94530 (Boeck, 1871) 102901 94551 Prodiamesa bathyphila Kieffer, 1918 Triphora perversa (Linnaeus, 1758) Pontoporeia affinis F (Lindström, 1855) - 128441 141720 F - 103077 657301 (Gilson, 1906) 422916 - Levinsen, 1884 137551 68728 (Montagu, 1808) Hansen, 1916 140377 80677 118759 92971 (Muller, 1774) 181563 81430 79473 Musculus discors Mytilidae Musculus niger Myidae Mya arenaria Linnaeus, 1758 140430 81692 Myidae Mya truncata Linnaeus, 1758 140431 81694 1126 Demospongiae Poecilosclerida Mycalidae 48202 Eupulmonata Ellobiidae 1128 Polychaeta Phyllodocida Syllidae (Bowerbank, 1866) (Draparnaud, 1801) (O.F. Müller, 1788) 168640 1127 Gastropoda Mycale (Mycale) lingua Myosotella myosotis Myrianida prolifera 238200 - (Langerhans, 1884) 238201 - Rhizodrilus pilosus (Goodrich, 1892) F Cyclas calyculata Draparnaud, 1805 79475 139673 567926 1129 Polychaeta Phyllodocida Syllidae Myrianida quindecimdentata 1130 Polychaeta Sabellida Oweniidae Myriochele danielsseni Hansen, 1878 130540 204578 1131 Polychaeta Sabellida Oweniidae Myriochele heeri Malmgren, 1867 130542 Petricolidae Mysia undata (Pennant, 1777) 140728 81634 Mysidae Mysis mixta 120113 90042 Mysidae Mysis oculata Lilljeborg, 1852 (Fabricius, 1780) 120115 90044 Mysida Prionospio multibranchiata Berkeley, 1927 Modiolarca tumida (Hanley, 1843); Musculus marmoratus (Forbes, 1838); Modiolus marmorata F Mytilidae 1134 Malacostraca Chlamys varia Linnaeus, 1758 - 116480 Mytiloida Euheterodonta incertae sedis Euheterodonta incertae sedis 1132 Bivalvia F - 116481 Mytiloida 1133 Malacostraca F Micropsectra junci; 122555 204281 1123 Bivalvia Euheterodonta incertae sedis Mysida 282663 - 1122 Bivalvia 1125 Bivalvia F - 129541 122549 (Linnaeus, 140472 1767) (Gray J.E., 1824) 140474 1124 Bivalvia Fauna Europaea 54027 103791 159567 (Linnaeus, 1758) Lindström, 1855 Spio mecznikowianus Claparède, 1869 131138 204519 Kupffer, 1875 (Crawford, 1937) (Kieffer, 1918) Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Microspio mecznikowianus Microstomum Microstomidae lineare Microtendipes Chironomidae chloris Microtendipes Chironomidae pedellus Lineidae Micrura baltica Spionidae 1100 Polychaeta 1108 Ascidiacea 128 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 67651 1245 Arenomya arenaria (Linnaeus, 1758) Ovatella myosotis (Draparnaud, 1801) Autolytus prolifer (O.F. Müller, 1776) Autolytus quindecimdentatus Langerhans, 1884 1135 Malacostraca Mysida Mysidae Mysis relicta Lovén, 1862 1136 Insecta Trichoptera Leptoceridae Mystacides azurea Mystacides longicornis (Linnaeus, 1761) Mytilidae (Linnaeus, 1758) (Linnaeus, Mystacides niger 1758) Mystides (Banse, 1954) southerni Mytilopsis (Conrad, 1831) leucophaeata Mytilus edulis Linnaeus, 1758 Mytilidae Mytilus trossulus 1137 Insecta Trichoptera Leptoceridae 1138 Insecta Trichoptera Leptoceridae 1139 Polychaeta Phyllodocida Phyllodocidae 1140 Bivalvia 1141 Bivalvia Euheterodonta incertae sedis Mytiloida Dreissenidae 1142 Bivalvia Mytiloida 1143 Gastropoda Basommatophora Lymnaeidae Myxas glutinosa Sabellida Myxicola infundibulum Myxilla (Myxilla) incrustans 1144 Polychaeta Sabellidae Gould, 1850 (O.F. Müller, 1774) Myxillidae Naididae Nais barbata 1147 Clitellata Haplotaxida Naididae Nais behningi 1148 Clitellata Haplotaxida Naididae Nais bretscheri 1149 Clitellata Haplotaxida Naididae Nais christinae 1150 Clitellata Haplotaxida Naididae Nais communis 1151 Clitellata Haplotaxida Naididae 1152 Clitellata Haplotaxida Naididae 1153 Clitellata Haplotaxida 1154 Clitellata 1155 Clitellata 156887 81335 140480 79454 140482 567928 2563 270359 F 48089 F - 68949 F - 68961 - - Piguet, 1906 137480 68950 Nais elinguis Müller, 1774 137481 68952 Nais pardalis Piguet, 1906 - 68954 F Naididae Nais pseudobtusa Piguet, 1906 - 68956 F Haplotaxida Naididae Nais simplex Piquet, 1906 - 68957 F Haplotaxida Naididae Piguet, 1906 137482 68959 F - 128866 F Nebaliacea Nebaliidae Nebalia bipes 1164 Malacostraca Decapoda Polybiidae Necora puber Nemertesia antennina Nemertesia ramosa Nemotaulius punctatolineatus Neoamphitrite affinis Neoamphitrite figulus Neohela monstrosa Neoleanira tetragona 1165 Hydrozoa Leptothecata Plumulariidae 1166 Hydrozoa Leptothecata Plumulariidae 1167 Insecta Trichoptera Limnephilidae 1168 Polychaeta Terebellida Terebellidae 1169 Polychaeta Terebellida Terebellidae 1170 Malacostraca Amphipoda Corophiidae 1171 Polychaeta Phyllodocida Sigalionidae 1172 Malacostraca Mysida Mysidae 1173 Insecta Hemiptera Nepidae 1174 Sipunculidea Golfingiida 1175 Sipunculidea Golfingiida 1176 Malacostraca Decapoda 1177 Insecta Diptera (Palmer) (Ström, 1768) 140503 (Jeffreys, 1867) 140509 - (Lamarck, 1822) 140512 74125 (Linnaeus, 1758) 140513 74123 (Liljeborg, 1851) 118859 92274 (Récluz, 1843) (O. Fabricius, 1780) (Linnaeus, 1767) (Linnaeus, 1758) Lymnaea glutinosa (O.F. Müller, 1774) F 61014 234324 F F 74122 569958 - 147032 89792 107398 - 117809 50314 (Lamarck, 1816) 117815 204134 (Retzius, 1783) - 605572 (Malmgren, 1866) 131502 67929 (Dalyell, 1853) 131504 67931 (Boeck, 1861) 102108 93624 (Oersted, 1845) 131069 65080 Neomysis integer (Leach, 1814) Nepa cinerea Nephasoma (Nephasoma) Golfingiidae abyssorum abyssorum Nephasoma Golfingiidae (Nephasoma) minutum Nephrops Nephropidae norvegicus Nephrotoma Chironomidae flavescens Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) - 68947 1163 Malacostraca 1161 Malacostraca - 116602 130655 - 1162 Gastropoda 1160 Gastropoda Phryganea longicornis Linnaeus, 1758 Phryganea niger Linnaeus, F 1759 Mystides (Pseudomystides) southerni Banse, 1954 Congeria leucophaeta 1930 F (Conrad, 1831) F 169466 Nais variabilis Nanocladius Diptera Chironomidae balticus Nassarius Hypsogastropoda Nassariidae incrassatus Hypsogastropoda Nassariidae Nassarius nitidus Nassarius Hypsogastropoda Nassariidae pygmaeus Nassarius Hypsogastropoda Nassariidae reticulatus Natatolana Isopoda Cirolanidae borealis Littorinimorpha Naticidae Natica intermedia 1159 Gastropoda F - 116601 68125 Haplotaxida 1158 Gastropoda - 602943 Montagu, 1808 130932 1145 Demospongiae Poecilosclerida Mysis oculata f. relicta Lovén; Mysis oculata relicta; Mysis diluvianus F MS Stimpson, 1872; Mysis oculata relicta Samter, 1900; 90045 - 1146 Clitellata 1157 Gastropoda 120120 - (Johnston, 1842) O.F. Müller, 1773 Michaelsen, 1923 Michaelsen, 1899 Kasprzak, 1973 1156 Insecta AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Linnaeus, 1758 120136 Amphitrite figulus (Dalyell, 1853) Neomysis vulgaris J.V.Thompson, 1828; Praunus interger Leach, 1814 90063 - 103767 (Koren & Danielssen, 1876) 410730 - (Keferstein, 1862a) 136060 - (Linnaeus, 1758) (Linnaeus, 1758) F 107254 - F Golfingia abyssorum Phascolosoma minutum 97317 - 118714 146816 Cancer norvegicus Linnaeus, 1758; Stictochironomus histrio F (Fabricius, 1794) 129 Nephtyidae Phyllodocida Nephtyidae Nephtys caeca 1180 Polychaeta Phyllodocida Nephtyidae Nephtys ciliata 1181 Polychaeta Phyllodocida Nephtyidae 1182 Polychaeta Phyllodocida Nephtyidae Nephtys cirrosa Nephtys hombergii 1183 Polychaeta Phyllodocida Nephtyidae 1184 Polychaeta Phyllodocida Nephtyidae 1185 Polychaeta Phyllodocida Nephtyidae Nephtys kersivalensis McIntosh, 1908 130363 204452 1186 Polychaeta Phyllodocida Nephtyidae Nephtys longosetosa Örsted, 1842 130364 66022 1187 Polychaeta Phyllodocida Nephtyidae Nephtys paradoxa Malm, 1874 130365 66023 1188 Polychaeta Phyllodocida Nephtyidae Hypsogastropoda Buccinidae Rainer, 1984 (Linnaeus, 1758) 138920 74009 1190 Polychaeta Phyllodocida Nephtys pente Neptunea antiqua Nereimyra punctata 130352 204453 1189 Gastropoda (Müller, 1788) 130185 65484 (Müller, 1776) (Ehlers, 1868) Savigny in Lamarck, 1818 (McIntosh, Nephtys hystricis 1900) Malmgren, Nephtys incisa 1865 130353 66012 130355 66014 130356 66013 130357 66035 130359 66025 130360 66036 130362 66028 1191 Polychaeta Phyllodocida Phyllodocidae 1192 Polychaeta Phyllodocida Nereididae (Malmgren, Nereiphylla lutea 1865) Nereis pelagica Linnaeus, 1758 1193 Polychaeta Phyllodocida Nereididae Nereis pinnata 1194 Polychaeta Polychaeta incertae sedis Nerillidae Nerilla antennata Schmidt, 1848 1195 Insecta Trichoptera Polycentropodidae Neureclipsis bimaculata (Linnaeus, 1758) 1196 Polychaeta Terebellida Terebellidae Nicolea venustula (Montagu, 1818) 131507 67938 Terebellidae Nicolea zostericola Nicomache (Loxochona) trispinata Nicomache (Nicomache) minor Nicomache lumbricalis Nicomache personata Nigrobaetis niger Nipponnemertes pulchra Nolella dilatata Noterus clavicornis Noterus crassicornis Notomastus latericeus Notonecta glauca Notophyllum foliosum Novocrania anomala Örsted, 1844 131508 67937 (Arwidsson, 1906) 329801 - Arwidsson, 1906 334212 67544 (Fabricius, 1780) 130311 67542 Johnson, 1901 130314 67543 Terebellida 1198 Polychaeta Maldanidae 1199 Polychaeta Capitellida Maldanidae 1200 Polychaeta Capitellida Maldanidae 1201 Polychaeta Capitellida Maldanidae 1202 Insecta Ephemeroptera 1203 Hoplonemertea 1204 Gymnolaemata Ctenostomatida Baetidae Cratenemertidae Nolellidae 1205 Insecta Noteridae Coleoptera (Müller, 1776) (Linnaeus, 1761) 130656 - 130404 65905 329722 - - 122704 - (Hincks, 1860) 111632 155538 1206 Insecta Coleoptera Noteridae 1207 Polychaeta Capitellida Capitellidae 1208 Insecta Hemiptera Notonectidae 1209 Polychaeta Phyllodocida Phyllodocidae 1210 Craniata Craniida Craniidae 1211 Bivalvia Nuculoida Nuculidae Nucula nitidosa 1212 Bivalvia Nuculoida Nuculidae Nucula nucleus 1213 Bivalvia Nuculoida Nuculidae Nucula sulcata 1214 Bivalvia Nuculanoida Nuculanidae Nuculana minuta (Müller O.F., 1776) 1215 Bivalvia Nuculanoida Nuculanidae Nuculana pernula 1216 Pycnogonida Pantopoda Nymphonidae 1217 Pycnogonida Pantopoda Nymphonidae Nymphon brevirostre Nymphon brevitarse Sars, 1851 Linnaeus, 1758 Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Fusus antiquus (Linnaeus, 1758) Eunice pinnata Müller, 1776 F - F - 4589 124308 F - - 4590 124312 F 129898 67429 - - 103578 130661 65302 Müller, 1776 235385 - Winckworth, 1930 140589 79151 140590 79140 Phryganea bimaculata Linnaeus, 1758 Nicolea arctica Malmgren, 1866; Nicolea viridis Webster & Benedict, 1884 Terebella zostericola Oersted, 1844 Nicomache minor Arwidsson, 1906 - (Sars, 1835) (Linnaeus, 1758) Bronn, 1831 Nephtys hombergii var. kersivalensis McIntosh, 1908 Nephtys longesetosa Örsted, 1842 Nephthys canadensis McIntosh, 1900; Nephthys pansa Ehlers, 1874; Nephthys paradoxa Malm, 1874; Nephthys phyllobranchia McIntosh, 1885; - 117096 Johnston, 1837 (O. F.Müller, 1776) Nephtys borealis Oersted, 1843 130437 182737 - (De Geer, 1774) Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) Phyllodocida 1179 Polychaeta Hesionidae Nephtys assimilis Örsted, 1843 (Fabricius, 1780) AphiaID (WoRMS) Author /Year Valid Taxon Name 1178 Polychaeta 1197 Polychaeta 130 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species F Nucula nitida Sowerby, 1833; Nucula nitida turgida Leckenby & Marshall, 1875 Nucula margaritacea Lamarck, 1805 140592 205487 140577 79193 Müller O.F., 1779 140579 79192 Hodge, 1863 150520 205802 Krøyer, 1838 134682 83552 Arca minuta Müller O.F., 1776; Leda caudata Lovén, 1846; Jupiteria minuta; Leda minuta; Nymphon rubrum (Hodge, 1864) Obelia geniculata (Linnaeus, 1758) 117388 49522 1220 Hydrozoa Leptothecata Campanulariidae Obelia longissima (Pallas, 1766) 117389 49515 1221 Malacostraca Amphipoda Gammaridae 1222 Insecta Coleoptera Hydraenidae Obesogammarus (G.O. Sars, 1894) crassus Ochthebius Stephens, 1835 pusillus (Forbes & Ocnus lacteus Goodsir, 1839) Class Bio Lib 234079 - - - Nymphon glaciale Lilljeborg, 1851 Campanula geniculata Linnaeus, 1758; Campanularia geniculata (Linnaeus, 1758); Laomedea geniculata (Linnaeus, 1758); Sertularia geniculata Linnaeus, 1758 Obelia flabellata (Hincks, 1861); Obelia plana (M.Sars, 1835) 1962 F 4861 236675 F 1223 Holothuroidea Dendrochirotida Cucumariidae 1224 Gastropoda Allogastropoda Pyramidellidae Odostomia scalaris MacGillivray, 1843 1225 Insecta Trichoptera Leptoceridae Oecetis furva (Rambur, 1842) - 603100 F 1226 Insecta Trichoptera Leptoceridae Oecetis lacustris (Pictet, 1834) - 603152 F 1227 Insecta Trichoptera Leptoceridae Oecetis ochracea (Curtis, 1825) - 116632 1228 Gastropoda Neogastropoda Oenopota reticulata Oerstedia Oerstediidae laminariae Oerstedia Oerstediidae similiformis Omalogyra Omalogyridae atomus Omisus Chironomidae caledonicus Onchidoris Onchidorididae depressa Onchidoris Onchidorididae muricata 1229 Enopla 1230 Enopla 1231 Gastropoda Heterobranchia incertae sedis 1232 Insecta Diptera 1233 Gastropoda Nudibranchia 1234 Gastropoda Nudibranchia 1235 Sipunculidea Golfingiida 1236 Sipunculidea Golfingiida 1237 Stenolaemata Cyclostomatida 1238 Gastropoda Conidae Phascolionidae Onchnesoma squamatum Onchnesoma Phascolionidae steenstrupii steenstrupii OncousoeciOncousoecia idae dilatans Pyramidellidae Ondina divisa 1239 Gastropoda Pyramidellidae Ondina perezi 434531 - Friedrich, 1936 122819 - (Friedrich, 1935) 122822 (Edwards, 1929) (Alder & Hancock, 1842) (Müller O.F., 1776) (Koren & Danielssen, 1875) Koren & Danielssen, 1876 (Johnston, 1847) (Adams J., 1797) (Dautzenberg & Fisher, 1925) 140616 - - - 441452 140640 410742 111745 206699 141033 - Onoba semicostata (Montagu, 1803) 141320 573799 Campanulinidae Opercularella lacerata (Johnston, 1847) 117413 49770 Campanulinidae Opercularella pumila Clark, 1875 117415 49769 Opheliidae Ophelia borealis Quatrefages, 1866 130491 67355 130494 67354 Leptothecata 1243 Hydrozoa Leptothecata 1245 Polychaeta Scolecida Opheliidae Ophelia limacina (Rathke, 1843) 1246 Polychaeta Scolecida Opheliidae 1247 Polychaeta Scolecida Opheliidae McIntosh, 1908 130496 204543 Støp-Bowitz, 130499 67380 1948 1248 Polychaeta Scolecida Opheliidae Ophelia rathkei Ophelina abranchiata Ophelina acuminata Ophelina modesta 1249 Polychaeta Scolecida Opheliidae 1250 Ophiuroidea Ophiurida Ophiactidae Ophiactis balli Naididae Ophidonais serpentina 1251 Clitellata Haplotaxida Örsted, 1843 Støp-Bowitz, 1958 (W. Thompson, 1840) (O.F. Müller, 1773) Onchnesoma steenstrupii Koren & Danielssen, 1876 - - 1242 Hydrozoa Lamellidoris depressa Alder & Hancock, 1842 Lamellidoris muricata (O.F. Müller, 1776) 136065 154723 71006 Hypsogastropoda Rissoidae F 78381 156275 1241 Gastropoda 282652 140637 205258 141308 Rissoidae Leptocerus ochraceus Curtis, 1825, Oecetis F ochracea carri Milne, 1934, Oecetis vicaria Neave, 1934 Lora reticulata (Brown, 1827) 71221 (Gould, 1841) Littorinimorpha Odostomia rissoides Hanley, 1844; Odostomia (Brachystomia) rissoides Hanley, 1844 141014 573801 Onoba aculeus 1240 Gastropoda 1244 Polychaeta 124645 206845 (Brown T., 1827) (Philippi, 1841) Synonymised taxa Campanulariidae Freshwater (F) Leptothecata First record (neobiota) 1219 Hydrozoa Others 83549 ZipcodeZoo 134688 Fauna Europaea (Fabricius, 1780) Bio. Sys. Datab.World Diptera Nymphon grossipes TSN (ITIS) Author /Year Nymphonidae Family Pantopoda Order 1218 Pycnogonida No Valid Taxon Name AphiaID (WoRMS) HELCOM Checklist for Baltic Sea Invertebrate Species 130500 Onoba aculea (Gould, 1841); Cingula striata (Adams, 1797) Campanulina lacerata (Johnston, 1847); Campanularia lacerata Johnston, 1847 Campanularia pumila (Clarke, 1875); Campanulina pumila (Clarke, 1875); Opercularella nana Hartlaub, 1897 Ammotrypane limacina Rathke, 1843; Ophelia borealis Tebble, 1952 67391 130507 204548 125110 206828 238751 68996 F 131 Ophiurida Ophiocomidae Ophiocomina nigra 1253 Ophiuroidea Ophiurida Ophiuridae Ophiocten affinis (Lütken, 1858) 1254 Polychaeta Phyllodocida Hesionidae Ophiodromus flexuosus 1255 Ophiuroidea Ophiurida Ophiactidae 1256 Ophiuroidea Ophiurida 1257 Ophiuroidea (Delle Chiaje, 1827) Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Valid Taxon Name Family Author /Year (Abildgaard, in O.F. Müller, 1789) 1252 Ophiuroidea 125027 157490 124850 - 130187 65486 Ophiocten scutatum Koehler, 1896; Ophiura affinis Lütken, 1858; Anoplonereis herrmanni Giard, 1882; Nereis flexuosa Delle Chiaje, 1827; Ophiodromus vittatus Sars, 1861; Podarke albocincta Ehlers, 1864; Ophiopholis aculeata Ophiothrix Ophiotrichidae fragilis (Linnaeus, 1767) (Abildgaard, 1789) Ophiurida Ophiuridae Ophiura albida Forbes, 1839 124913 157426 1258 Ophiuroidea Ophiurida Ophiuridae Ophiura ophiura (Linnaeus, 1758) 124929 206823 1259 Ophiuroidea Ophiurida Ophiuridae Ophiura robusta (Ayres, 1851) 124933 157425 1260 Ophiuroidea Ophiurida Ophiuridae Ophiura sarsii Lütken, 1855 124934 157424 Ophryotrocha gracilis Ophryotrocha longidentata Orbinia (Orbinia) sertulata Orbinia (Phylo) norvegica Orchestia cavimana Orchestia gammarellus Orchomenella nana Orconectes limosus Orthetrum cancellatum Orthocladius consobrinus Orthocladius dentifer Orthocladius excavatus Orthocladius oblidens Huth, 1933 130023 66508 Josefson, 1975 130016 66515 (Savigny, 1820) 334310 204489 Orbinia sertulata (de Savigny, 1822) (Sars, 1872) 334313 Orbinia norvegica; Heller, 1865 103200 206583 Orthocladius obumbratus 1261 Polychaeta Eunicida Dorvilleidae 1262 Polychaeta Eunicida Dorvilleidae 1263 Polychaeta Orbiniida Orbiniidae 1264 Polychaeta Orbiniida Orbiniidae 1265 Malacostraca Amphipoda Talitridae 1266 Malacostraca Amphipoda Talitridae 1267 Malacostraca Amphipoda Lysianassidae 1268 Malacostraca Decapoda Cambaridae 1269 Insecta Odonata Libellulidae 1270 Insecta Diptera Chironomidae 1271 Insecta Diptera Chironomidae 1272 Insecta Diptera Chironomidae 1273 Insecta Diptera Chironomidae 1274 Insecta Diptera Chironomidae 1275 Insecta Diptera 1276 Insecta Diptera Orthocladius olivaceus Orthocladius Chironomidae rhyacobius 1277 Insecta Diptera Chironomidae 1278 Insecta Trichoptera Hydroptilidae 1279 Malacostraca 132 Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Amphipoda 125131 157804 66629 (Pallas, 1766) 103202 95042 (Kroyer, 1846 102691 - 234098 97423 - - (Rafinesque, 1817) (Linnaeus, 1758) (Holmgren, 1869) Ophioglypha albida (Forbes, 1839) Ophiura textura (Linnaeus, 1758); Ophiura texturata Lamarck, 1816 Ophiolepis robusta Ayres, 1851; Ophiura fasciculata Forbes, 1854; Ophiura squamosa Lütken, 1859; Ophiura sarsi Lütken, 1855; 1970 F 1860 F 1656 214390 F - 128886 F Brundin, 1947 - 128895 F Brundin, 1947 - 128902 F (Walker, 1856) - 128921 Johannsen, 1905 - 128923 (Kieffer, 1911) - - 117753 283869 F Kieffer, 1911 - - 441490 283911 F Orthocladius saxicola Kieffer, 1911 - - Orthotrichia costalis Othomaera othonis Otomesostoma auditivum Oulimnius tuberculatus Owenia fusiformis Pachycordyle navis (Curtis, 1834) - 607286 Chironomidae Melitidae 125125 157617 (Milne534781 Edwards, 1830) (Du Plessis, 143574 1874) (P.W. et J.Müller, 1806) Delle Chiaje, 130544 1844 1280 Rhabditophora Seriata Otomesostomatidae 1281 Insecta Coleoptera Limniidae 1282 Polychaeta Oweniida Oweniidae 1283 Hydrozoa Anthoathecata Bougainvilliidae 1284 Malacostraca Decapoda Astacidae Pacifastacus leniusculus (Dana, 1852) 1285 Insecta Diptera Chironomidae (Edwards, 1929) 1286 Malacostraca Decapoda Paguridae 1287 Malacostraca Decapoda Paguridae 1288 Malacostraca Decapoda Paguridae Pagastiella orophila Pagurus bernhardus Pagurus cuanensis Pagurus pubescens (Millard, 1959) Chironomus oblidens Walker, 1856 Hydrobaenus paradorenus F Roback, 1957, Orthocladius paradorenus F Orthocladius F (Orthocladius) rubicundus (Meigen, 1818); 87146 F - Maera othonis 54268 - F 8287 236460 F 67647 231683 - - 97326 - 206654 (Linnaeus, 1758) 107232 97805 (Bell, 1845) 107235 97817 Krøyer, 1838 107240 97811 http://www.corpi.ku.lt/ nemo/alien_species_ directory.html 1960 F Eupagurus bernhardus (Linnaeus, 1767) 1289 Malacostraca Decapoda Palaemonidae 1290 Malacostraca Decapoda Palaemonidae 1291 Malacostraca Decapoda Palaemonidae 1292 Malacostraca Decapoda Palaemonidae 1293 Malacostraca Decapoda Palaemonidae 1294 Gastropoda Nudibranchia Polyceridae 1295 Gastropoda 96478 107614 96466 H. MilneEdwards, 1837 107615 96497 (Pennant, 1777) 107616 96451 (Leach, 1814) 107624 96397 Palio dubia (Sars, 1829) 182807 78311 Palio nothus (Johnston, 1838) 182808 205252 Sars, 1867 235818 1296 Malacostraca Amphipoda 1297 Bivalvia Ostreoida 1298 Bivalvia Ostreoida 1299 Bivalvia Ostreoida Decapoda 1303 Malacostraca Decapoda 1304 Malacostraca Decapoda 1305 Holothuroidea Dendrochirotida 1306 Polychaeta Phyllodocida 1307 Insecta Diptera 1308 Insecta Diptera 1309 Insecta Diptera 1310 Insecta Diptera Chironomidae 1311 Insecta Diptera Chironomidae 1312 Insecta Diptera 1313 Insecta Diptera 1314 Insecta Lovén, 1846 Müller O.F., 1776 Müller O.F., 1776 Ellis & Solander, 1786 Ehrenberg, 1831 140710 205560 111120 Alcyonella articulata Ehrenberg, 1831 Pandalus brevirostris Rathke, 1837 153728 155546 Krøyer, 1838 107649 96967 Leach, 1814 107651 96971 124649 - 129737 - Pandalus annulicornis Leach, 1814 - 129596 F - 129594 (Kieffer, 1918) - - - k.A - Parachironomus pararostratus Harnisch, 1923 - - - 88474 - Parachironomus vitiosus Paracladopelma Chironomidae camptolabis (Goetghebuer, 1921) - - 117975 (Kieffer, 1913) - 129615 Chironomidae Paracladopelma nigritula (Goetghebuer, 1942) - Hemiptera Corixidae (Fieber, 1848) 504189 - 1315 Polychaeta Sabellida Sabellidae (Southern, 1914) 558743 - 1316 Polychaeta Orbiniida Paraonidae Paracorixa concinna Paradialychone filicaudata Paradoneis eliasoni Mackie, 1991 130581 182734 1317 Polychaeta Orbiniida Paraonidae Paradoneis lyra (Southern, 1914) 130585 66743 1318 Anthozoa Actiniaria Edwardsiidae Paraedwardsia arenaria (Carlgren in Nordgaard, 1905) 100908 52505 1319 Malacostraca Amphipoda (Leach, 1814) 102440 94182 1320 Insecta Diptera 1321 Insecta Diptera Parajassa pelagica Parakiefferiella Chironomidae bathophila ParalauterChironomidae borniella nigrohalterale 1322 Insecta Diptera 1323 Rhabditophora Seriata 1324 Malacostraca Amphipoda 1325 Polychaeta Amphinomida 1326 Malacostraca Mysida 1327 Malacostraca Mysida - (Malloch, 1915) - 129619 143558 - 117782 - 117785 - Parachironomus gracilior (Kieffer, 1918) F - 117978 (Kieffer, 1912) * http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:faunaeur.org:taxname:407072 Synonymised taxa F 79724 97059 Gouin in Gouin Parametriocne& Thienemann, mus boreoalpinus 1942 Paramonotus Monocelididae (Jensen, 1878) hamatus ParamphiloAmphilochidae choides (Scott, 1896) intermedius (McIntosh, AmphinomiParamphinome 1868) dae jeffreysii (Czerniavsky, Paramysis Mysidae 1882) intermedia (Czerniavsky, Paramysis Mysidae 1882) lacustris Freshwater (F) Polycera dubia Sars M., 1829 Polycera nothus (Johnston, 1838) 140707 205559 140709 107647 Chironomidae First record (neobiota) 1999 F (Staeger, 1839) Ischyroceridae Others ZipcodeZoo Fauna Europaea Palaemon squilla auctorum - (Rathke, 1843) (W. Thompson, 1840) Kinberg, 1856 (Goetghebuer, 1919) Bio. Sys. Datab.World Diptera Bio Lib 107613 Rathke, 1837 Pallasea Gammaridae quadrispinosa Palliolum Pectinidae furtivum Palliolum Pectinidae striatum Palliolum Pectinidae tigerinum BryocryptelPalmiskenea lidae skenei Paludicella Paludicellidae articulata Pandalina Pandalidae brevirostris Pandalidae Pandalus borealis Pandalus Pandalidae montagui Panningia Cucumariidae hyndmanni Acoetidae Panthalis oerstedi Parachironomus Chironomidae arcuatus Parachironomus Chironomidae biannulatus Parachironomus Chironomidae gracilior 1302 Malacostraca TSN (ITIS) Rathke, 1837 Polyceridae 1301 Gymnolaemata Ctenostomatida AphiaID (WoRMS) Palaemon adspersus Palaemon elegans Palaemon longirostris Palaemon serratus Palaemonetes varians Nudibranchia 1300 Gymnolaemata Cheilostomatida Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 282645 * F Cryptochironomus F pararostratus Harnisch, 1923 F F Chironomus nigritula Goetghebuer, 1942, Cladopelma olstadi Kieffer, 1926 Sigara concinna (Fieber, F 1848) Chone filicaudata Southern, 1914 Cirrophorus eliasoni (Mackie, 1991) Cirrophorus lyra (Southern, 1914); Paraonis lyra Southern, 1914; Paraonis (Paraonides) lyra Southern, 1914 88486 282604 F 283800 F F 283787 Chironomus nigrohalterale Malloch, 1915 F F 101981 206392 Amphilochoides intermedius Scott, 1896 129837 65185 Hipponoe jeffreysii McIntosh, 1868 120150 90314 2009 F 120155 90318 1962 F 133 137484 68865 Haplotaxida Naididae Paranais litoralis (Müller, 1780) 137485 68863 Orbiniida Paraonidae Paraonis fulgens 146932 66697 Pyralidae Parapoynx stratiotata Parasmittina trispinosa Paratanytarsus austriacus Paratanytarsus dissimilis Paratanytarsus grimmii Paratanytarsus inopertus Paratanytarsus lauterborni Paratanytarsus natvigi Paratanytarsus quintuplex Paratendipes albimanus Pariambus typicus Parorthocladius nudipennis Naididae 1329 Clitellata Haplotaxida 1330 Clitellata 1331 Polychaeta Lepidoptera Smittinidae 1334 Insecta Diptera Chironomidae 1335 Insecta Diptera Chironomidae 1336 Insecta Diptera Chironomidae 1337 Insecta Diptera Chironomidae 1338 Insecta Diptera Chironomidae 1339 Insecta Diptera Chironomidae 1340 Insecta Diptera Chironomidae 1341 Insecta Diptera Chironomidae 1342 Malacostraca Amphipoda Pariambidae 1343 Insecta Diptera Chironomidae 1344 Bivalvia Euheterodonta incertae sedis Cardiidae 1345 Bivalvia Euheterodonta incertae sedis 1346 Bivalvia (Levinsen, 1884) (Linnaeus, 1758) Johnston, 1838 (Kieffer, 1924) (Johannsen, 1905) (Schneider, 1885) - - 117984 - - 568540 - (Goetghebuer, 1933) - 129942 Kieffer, 1922 - - 139008 205622 Cardiidae Parvicardium hauniense (Høpner Petersen & Russell, 1971) 139009 205623 Euheterodonta incertae sedis Cardiidae Parvicardium minimum (Philippi, 1836) 139010 205624 1347 Bivalvia Euheterodonta incertae sedis Cardiidae Parvicardium pinnulatum (Conrad, 1831) 181343 1348 Bivalvia Euheterodonta incertae sedis Cardiidae Parvicardium scabrum (Philippi, 1844) 139012 205626 1349 Malacostraca Decapoda Pasiphaeidae 1350 Clitellata Rhynchobdellida Piscicolidae 1351 Anthozoa Actiniaria Haloclavidae 1352 Bivalvia Ostreoida Pectinidae Pasiphaea sivado (Risso, 1816) Pawlowskiella Bielecki, 1997 stenosa Peachia cylindrica (Reid, 1848) (Linnaeus, Pecten maximus 1758) 1354 Polychaeta Terebellida Pectinariidae 1355 Asteroidea Forcipulatida Pedicellasteridae 1356 Coloniales Pedicellinidae 1357 Clitellata Haplotaxida Tubificidae 1358 Ascidiacea Pectinaria (Pectinaria) belgica Pedicellaster typicus Pedicellina cernua Peipsidrilus pusillus 107677 - Freshwater (F) First record (neobiota) Others ZipcodeZoo Synonymised taxa Paratanytarsus confusus Palmen, 1960 F F - 283288 88995 - Tanytarsus lauterborni (Kieffer, 1909) Micropsectra natvigi F Goetghebuer, 1933 F F F 95444 (Gmelin, 1791) Pectinaria (Amphictene) auricoma 283268 - 129624 101857 F F - 117989 Parvicardium exiguum Pectinariidae 283258 - 117987 - 129012 Terebellida F - 553088 (Kieffer, 1908) 1353 Polychaeta Fauna Europaea - 117645 Kieffer, 1909 (Kroyer, 1844) F 1970 F Wapsa mobilis Liang, 1958 Blanonais litoralis (Müller, 1784); Nais littoralis Müller, 1780; Uncinais litoralis (Müller, 1784) Paradoneis fulgens (Levinsen, 1884) 111547 156467 (Walker, 1856) (Meigen, 1919) Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year 137483 204811 Hrabe, 1941 Haplotaxida 1332 Insecta Valid Taxon Name Sperber, 1948 Naididae Paranais botniensis Paranais frici 1328 Clitellata 1333 Gymnolaemata Cheilostomatida 134 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species F Cardium exiguum Gmelin, 1791; Cerastobyssum exiguum (Gmelin, 1791) Cardium hauniense Høpner Petersen & Russell, 1971; Cerastobyssum hauniense (Høpner Petersen & Russell, 1971) Cardium minimum Philippi, 1836; Cardium suediense Reeve, 1845; Cardium minimum var. suecica Lovén, 1846; Cardium perrieri Dautzenberg & Fischer H., 1897; Parvicardium ovale (Sowerby G.B. II, 1840) Cardium scabrum Philippi, 1844; Cerastoderma scabrum (Philippi, 1844) - 96174 - 444106 196097 F 100927 204168 140712 79683 (O.F. Müller, 1776) 130590 - Amphictene auricoma Malmgren, 1865; Amphitrite auricoma O.F. Müller, 1776; Pectinaria (Amphictene) auricoma Fauvel, 1927; Pectinaria auricoma (O.F. Müller, 1776); (Pallas, 1766) 130592 67708 Pectinaria belgica (Pallas, 1766) M. Sars, 1861 123825 157281 (Pallas, 1774) 111806 156740 Timm, 1977 Styelidae Pelonaia corrugata Goodsir & Forbes, 1841 - - 103894 159371 1359 Insecta Diptera Chironomidae Pelopia punctipennis Meigen, 1818 1360 Clitellata Haplotaxida Tubificidae Peloscolex ferox (Eisen, 1879) - 68609 1361 Clitellata Haplotaxida Tubificidae Peloscolex multisetosus (Smith, 1900) - 68601 - 128333 - 234484 F Pelonaia arenifera Stimpson, 1851; Pelonaia glabra Forbes & Goodsir, 1841; Pelonaia villosa Sars, 1859; Pelopia punctipennis F (Meigen, 1818) Spirosperma ferox Eisen, F 1879 F 1362 Gastropoda Hypsogastropoda Eulimidae Pelseneeria stylifera (Turton, 1825) 1363 Insecta Coleoptera Peltodytes caesus (Duftschmid, 1805) 1364 Gymnolaemata Ctenostomatida 1365 Anthozoa Pennatulacea 1366 Insecta Diptera 1367 Polychaeta Phyllodocida Haliplidae Penetrantia Penetrantiidae concharum Pennatula Pennatulidae phosphorea Pentapedilum Chironomidae exectum Perinereis Nereididae cultrifera 1368 Malacostraca Amphipoda Oedicerotidae Perioculodes longimanus 1369 Malacostraca Amphipoda Lysianassidae 1370 Malacostraca Decapoda Callianassidae 1371 Polychaeta Capitellida Maldanidae Perrierella audouiniana Pestarella tyrrhena Petaloproctus borealis Petaloproctus tenuis Petalosarsia declivis Petricolaria pholadiformis 1372 Polychaeta Maldanidae 1373 Malacostraca Cumacea Pseudocumatidae 1374 Bivalvia Euheterodonta incertae sedis Petricolidae - - - 111644 206690 Linnaeus, 1758 128517 52419 - - (Grube, 1840) 130408 65983 (Bate & Westwood, 1868) 102915 94581 (Bate, 1857 ) 102710 - (Petagna, 1792) 238027 - Kieffer, 1922 Ardwisson, 1906 130319 67556 (Théel, 1879) 130320 67554 (Sars, 1865) 110593 90928 (Lamarck, 1818) 140730 81627 67715 1375 Polychaeta Terebellida Pectinariidae Petta pusilla 1376 Insecta Diptera Chironomidae Phaenopsectra flavipes (Meigen, 1818) 130597 - 129642 Phaeostachys spinifera Phascolion Phascolionidae (Isomya) tuberculosum (Johnston, 1847) 111521 206768 Théel, 1875b 136074 154767 (Montagu, 1804) 175043 772629 Escharinidae 1378 Sipunculidea Golfingiida 1379 Sipunculidea Golfingiida Phascolion Phascolionidae (Phascolion) strombus 1380 Bivalvia Euheterodonta incertae sedis Pharidae 1381 Polychaeta Flabelligerida Pherusa Flabelligeridae flabellata 1382 Polychaeta Flabelligerida Flabelligeridae Pherusa plumosa (Müller, 1776) 1383 Gastropoda Cephalaspidea Philinidae Philine aperta 1384 Gastropoda Cephalaspidea Philinidae 1385 Malacostraca Decapoda Crangonidae 1386 Malacostraca Decapoda Crangonidae 1387 Malacostraca Decapoda Crangonidae Philine scabra Philocheras bispinosus Philocheras bispinosus bispinosus Philocheras echinulatus (M. Sars in G.O. 130110 Sars, 1872) (Linnaeus, 1767) (Müller, 1784) (Hailstone, 1835) 67244 140744 76188 140761 76196 107557 97190 (Hailstone, 1835) 108207 - (Sars, 1862) 107558 - 107562 97188 Decapoda Crangonidae Philocheras trispinosus 1389 Polychaeta Phyllodocida Pholoidae Pholoe assimilis Örsted, 1845 130598 573724 1390 Polychaeta Phyllodocida Pholoidae Pholoe baltica Oersted, 1843 130599 573725 1391 Polychaeta Phyllodocida Pholoidae Pholoe inornata Johnston, 1839 130601 573726 1392 Polychaeta Phyllodocida Pholoidae Pholoe minuta (Fabricius, 1780) 130603 65074 1393 Polychaeta Phyllodocida 130604 - 1395 1396 Malacostraca Amphipoda 1397 Malacostraca Amphipoda 1398 Pycnogonida Pantopoda 1399 Malacostraca Amphipoda 1400 Insecta Trichoptera - k.A - Chambers, 1985 SelysPhoronis muelleri Lonchamps, 1903 Phoronis pallida Silén, 1952 (Bate & Photis Photidae Westwood, longicaudata 1862) Photidae Photis reinhardi Krøyer, 1842 Phoxichilidium Phoxichilidiidae (Rathke, 1799) femoratum Phoxocephali- Phoxocephalus (Kroyer, 1842) dae holbolli Phryganea Phryganeidae Retzius, 1783 bipunctata Pholoe pallida * http://www.zin.ru/projects/zinsecta/eng/indikars.asp?tHIERC=11111A&tName=Chironomidae Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea 119412 F * F Nereis cultrifera Grube, 1840 Pontocrates longimanus; Perioculodes longimanuas (misspell); Callianassa tyrrhena (Petagna, 1792) Petricola pholadiformis (Lamarck, 1818) 1927 Chironomus flavipes F Meigen, 1818, Tanytarsus flavicauda Malloch, 1915 Phascolion (Phascolion) strombi (Montagu, 1804); Phascolion strombi (Montagu, 1804) Cultellus pellucidus (Pennant, 1777) 67259 130113 1388 Malacostraca 1394 4565 Phaxas pellucidus (Pennant, 1777) 140737 573583 (Hailstone in Hailstone & Westwood, 1835) Pholoidae Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) 139883 Silén, 1946 Malmgren, 1866 1377 Gymnolaemata Cheilostomatida AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Stylarioides plumosa (O.F. Müller, 1776) Pontophilus bispinosus Hailstone Pontophilus trispinosus (Hailstone) Pholoe minuta (Fabricius, 1780) partim Pholoe minuta (Fabricius, 1780) partim Pholoe minuta (Fabricius, 1780) partim only in Kattegat waters, in the Baltic proper Pholoe assimilis or p. balthica are relevant only 128549 206663 128551 155465 102383 94074 102387 94063 134741 83638 102989 94677 - 605947 Photis pollex Walker, 1895; F 135 Trichoptera Phryganeidae 1402 Malacostraca Amphipoda Caprellidae 1403 Polychaeta Phyllodocida Phyllodocidae Phyllodoce (Anaitides) groenlandica 1404 Polychaeta Phyllodocida Phyllodocidae Phyllodoce citrina Phyllodoce laminosa Phyllodoce lineata Phyllodoce longipes Phyllodoce maculata 1405 Polychaeta Phyllodocida Phyllodocidae 1406 Polychaeta Phyllodocida Phyllodocidae 1407 Polychaeta Phyllodocida Phyllodocidae 1408 Polychaeta Phyllodocida Phyllodocidae 1409 Polychaeta Phyllodocida Phyllodocidae Phyllodoce mucosa 1410 Polychaeta Phyllodocida Phyllodocidae Phyllodoce rosea Orbiniidae 1412 Gastropoda Basommatophora Physidae 1413 Clitellata Haplotaxida Naididae 1414 Malacostraca Decapoda Pinnotheridae 1415 Clitellata Rhynchobdellida Piscicolidae 1416 Clitellata Rhynchobdellida Piscicolidae 1417 Clitellata Rhynchobdellida Piscicolidae Linnaeus, 1758 Rhynchobdellida Piscicolidae 1419 Clitellata Rhynchobdellida Piscicolidae 1420 Clitellata Rhynchobdellida Piscicolidae 1421 Clitellata Rhynchobdellida Piscicolidae 1422 Malacostraca Decapoda Porcellanidae 1423 Bivalvia Veneroidea Sphaeriidae 1424 Bivalvia Veneroidea Sphaeriidae 1425 Bivalvia Veneroidea Sphaeriidae Pisidium casertanum 101864 95442 Oersted, 1842 130668 65233 130666 65231 130670 65363 334508 - Malmgren, 1865 Savigny in Lamarck, 1818 (Claparède, 1870) Kinberg, 1866 130673 65251 (Linné, 1767) 334510 65241 Oersted, 1843 334512 65239 (Poli, 1791) 1426 Bivalvia Veneroidea Sphaeriidae Pisidium crassum Stelfox, 1918 1427 Bivalvia Veneroidea Sphaeriidae 1428 Bivalvia Veneroidea Sphaeriidae Pisidium henslowanum Pisidium hibernicum Pisidium lilljeborgii Pisidium milium Pisidium moitessierianum Pisidium nitidum (Sheppard, 1825) Westerlund, 1894 Pisidium obtusale Pisidium personatum Pisidium ponderosum Pisidium pseudosphaerium Pisidium pulchellum Pisidium subtruncatum Pisidium supinum Pisidium tenuilineatum F Anaitides groenlandica (Oersted, 1842); Phyllodoce groenlandica Örsted, 1842 Anaitides citrina (Malmgren, 1865) Phyllodoce (Anaitides) lineata (Claparède, 1870) Anaitides longipes Kinberg, 1866 Phyllodoce (Anaitides) maculata (Linnaeus, 1767) Phyllodoce (Anaitides) mucosa Oersted, 1843; Anaitides mucosa (Örsted, 1843) Phyllodoce (Anaitides) rosea (McIntosh, 1877) Aricia norvegica M. Sars in G.O. Sars, 1872 334514 573731 130531 66617 248248 76681 F - 68993 F 107473 98979 - - 444113 196098 F - - 444114 196099 F 116980 69307 F - - 444121 196107 F - - 444123 196109 F - - 444124 196110 F - - 444125 196111 F 107188 98091 - 81421 - 81401 181555 81405 - - 181556 81410 - - 1429 Bivalvia Veneroidea Sphaeriidae 1430 Bivalvia Veneroidea Sphaeriidae 1431 Bivalvia Veneroidea Sphaeriidae 1432 Bivalvia Veneroidea Sphaeriidae 1433 Bivalvia Veneroidea Sphaeriidae 1434 Bivalvia Veneroidea Sphaeriidae 1435 Bivalvia Veneroidea Sphaeriidae 1436 Bivalvia Veneroidea Sphaeriidae 1437 Bivalvia Euheterodonta incertae sedis Pisidiidae 1438 Bivalvia Veneroidea Sphaeriidae 1439 Bivalvia Veneroidea Sphaeriidae 1440 Bivalvia Veneroidea Sphaeriidae 1441 Polychaeta Phyllodocida Pisionidae Pisione remota 1442 Polychaeta Terebellida Terebellidae Pista cristata (Southern, 1914) (Müller, 1776) 1443 Polychaeta Terebellida Terebellidae Pista lornensis (Pearson, 1969) 154972 204602 F Conventus conventus (Clessin, 1877) Tellina amnica O.F. Müller, 1774 Cardium casertanum Poli, F 1791; Pisidium cinereum Adler, 1838 Pisidium nitidum var. F crassa Stefox, 1918 F 17702 - F 3021 97667 F Clessin, 1886 - 81411 F (Held, 1836) - 81412 F F Paladilhe, 1866 181557 - Jenyns, 1832 248249 81413 (Lamarck, 1818) - - 3025 Malm, 1855 - - 3026 Stelfox, 1918 - - 16677 - F F 97654 97651 F F Favre, 1927 - - 3027 97672 F Jenyns, 1832 - - 17705 97681 F Malm, 1855 181558 81416 Schmidt, 1850 181559 81417 - - 130707 65143 131516 67941 Stelfox, 1918 Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) - 115895 Slabber, 1769 (McIntosh, 1877) (M. Sars in G.O. Phylo norvegicus Sars, 1872) (Linnaeus, Physa fontinalis 1758) Piguetiella blanci (Piguet, 1906) (Linnaeus, Pinnotheres 1767) pisum Piscicola annae Bielecki, 1997 Piscicola Bielecki, 1997 borowieci Piscicola (Linnaeus, geometra 1758) Piscicola Bielecki, 1997 margaritae Piscicola Bielecki, 1994 pojmanskae Piscicola Bielecki, 1994 pomorskii Piscicola wiktori Bielecki, 1997 (Linnaeus, Pisidia longicornis 1767) Pisidium (Conventus) Clessin, 1877 conventus Pisidium (Müller, 1774) amnicum 1418 Clitellata AphiaID (WoRMS) Author /Year Valid Taxon Name Phryganea grandis Phtisica marina 1401 Insecta 1411 Polychaeta 136 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Pisidium casertanum var. ponderosa Stelfox, 1918 F F 3030 97683 F Scionella lornensis Pearson, 1969; 1444 Gastropoda Sacoglossa Stiligeridae Placida dendritica Rhynchobdellida 1453 Insecta Coleoptera Dytiscidae Platambus maculatus (Linnaeus, 1758) 1454 Malacostraca Amphipoda Talitridae Krøyer, 1845 Odonata Platycnemididae Platorchestia platensis Platycnemis pennipes 1455 Insecta 1456 Polychaeta Phyllodocida Nereididae Platynereis dumerilii Plea leachi 1457 Insecta Hemiptera Pleidae 1458 Insecta Hemiptera 1459 Insecta Trichoptera Pleaidae Polycentropodidae 1460 Malacostraca Isopoda 1461 Malacostraca Isopoda Phylactol1462 aemata Phylactol1463 aemata Phylactol1464 aemata 1465 Polychaeta 1466 Hydrozoa 1467 Bivalvia 1468 Polychaeta 1469 Gastropoda 1470 Ascidiacea Plumatellida Plumatellida Plumatellida Plea minutissima Plectrocnemia conspersa Pleurogonium Paramunnidae rubicundum Pleurogonium Paramunnidae spinosissimum Plumatella Plumatellidae fruticosa Plumatella Plumatellidae fungosa Plumatellidae (Pallas, 1771) (Audouin & Milne Edwards, 1833) MacGregor & Kirkaldy, 1899 (Leach, 1817) (Curtis, 1834) (G. O. Sars, 1864) (G. O. Sars, 1866) Hesionidae 143167 480520 4696 119272 Planorbis marginatus Draparnaud, 1805 Agabus glacialis Graells, 1858, Agabus graellsi Gemminger & Harold, 1868, Agabus praetextus Dalla Torre, 1877, Colymbetes pulchellus Heer, 1839, Dytiscus biocellatus O.F.Müller, F 1776, Dytiscus hebraicus Geoffroy in Fourcroy, 1785, Dytiscus maculatus Linnaeus, 1758, Dytiscus ornatus Herbst, 1784, Platambus cantalicus Pic, 1912,Platambus caucasicus Zaitzev, 1927 Orchestia platensis Krøyer, 1845 1608 214297 F - - 103217 185827 - - 130417 65950 - - - k.A - 633815 F F - 568818 F 118801 93057 118802 93056 410031 156694 F 471297 156696 F 410032 156692 F Hilbig & Dittmer, 1979 130197 573723 M. Sars, 1846 220573 49341 Monia patelliformis (Linnaeus, 1761) (Linnaeus, 1761) 138751 205561 Allen, 1904 130711 67083 (Risso, 1826) 428773 - Stimpson, 1852 103902 159380 (Müller OF, 416417 204229 1773) Ijima, 1884 416382 204230 F F Polycera quadrilineata (Müller O.F., 1776) 140838 78314 Terebellidae Polycirrus medusa Polycirrus norvegicus Polycirrus plumosus Polyclinum aurantium Grube, 1850 131531 67961 Polydora ciliata Platynereis dumerili (Audouin & Milne Edwards, 1834) - 721970 Polyceridae Spionidae F (Pallas, 1768) Wollebaek, 1912 (Wollebaek, 1912) Milne-Edwards 1841 (Johnston, 1838) Synonymised taxa F - Nudibranchia Spionida Freshwater (F) 270490 - 1474 Gastropoda 1479 Polychaeta First record (neobiota) 2577 182693 (Pictet, 1834) Polyclinidae Others F Polycentropus flavomaculatus Enterogona ZipcodeZoo 270519 Polycentropodidae 1478 Ascidiacea Fauna Europaea 2607 Trichoptera Terebellidae F - 1473 Insecta Terebellidae F - Polycelis tenuis Terebellida F 416482 204231 Polycelis nigra Terebellida F - Planariidae 1477 Polychaeta 196056 - Planariidae 1476 Polychaeta 84327 111719 155729 1471 Rhabditophora Seriata Terebellida Bio. Sys. Datab.World Diptera Bio Lib - 1472 Rhabditophora Seriata 1475 Polychaeta Hermaea dendritica (Alder & Hancock, 1843) 77994 Allman, 1844 Plumatella repens Linnaeus, 1785 Podarkeopsis helgolandica Podocoryne Anthoathecata Hydractiniidae carnea Pteriomorpha Pododesmus Anomiidae incertae sedis patelliformis Poecilochaeti- Poecilochaetus Spionida dae serpens Polinices Hypsogastropoda Naticidae pulchella Styelidae Polycarpa fibrosa Phyllodocida TSN (ITIS) (Alder & 141565 Hancock, 1843) (Fr. Müller, 1846) Placobdella Piscicolidae costata Placorhynchi- Placorhynchus Karling, 1931 1446 Rhabditophora Rhabdocoela dae octaculeatus 1447 Stenolaemata Cyclostomatida Diastroporidae Plagioecia patina Lamarck, 1816 Plagiostomum 1448 Rhabditophora Seriata Plagiostomidae Du Plessis, 1874 lemani (Müller OF, 1449 Rhabditophora Seriata Planariidae Planaria torva 1773) Planorbarius (Linnaeus, Basommatophora Planorbidae 1450 Gastropoda corneus 1758) Planorbis O.F. Müller, Basommatophora Planorbidae 1451 Gastropoda carinatus 1774 Planorbis (Linnaeus, 1452 Gastropoda Basommatophora Planorbidae planorbis 1758) 1445 Clitellata AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species - 600799 F Plectrocnemia irroratus Brauer, 1857, Polycentropus irroratus Curtis, 1835 Polycera lineatus Risso, 1826; Polycera ornata Orbigny, 1837 196385 204605 131534 67974 103674 159018 131141 66795 137 Spionida Spionidae Polydora cornuta Bosc, 1802 1481 Polychaeta Spionida Spionidae Polydora limicola 1482 Polychaeta Polychaeta incertae sedis Polygordius Polygordiidae lacteus Polymastia Polymastiidae boletiformis Polypedilum Chironomidae (Polypedilum) nubeculosum Annenkova, 1934 131147 Chironomidae 1486 Insecta Diptera Chironomidae 1487 Insecta Diptera 1488 Insecta Diptera 1489 Insecta Diptera Chironomidae Polypedilum scalaenum (Schrank, 1803) - 129708 1490 Insecta Diptera Chironomidae Polypedilum sordens (van der Wulp, 1874) - 129712 1491 Polychaeta Opheliida Scalibregmidae Polyphysia crassa (Örsted, 1843) Rhynchobdellida (Meigen, 1804) Kieffer, 1921 (Walker, 1856) Goetghebuer, 1931 (Zetterstedt, 1838) Polystemma rosea O.F. Müller, 1774 Piscicolidae Pontobdella muricata Pontocrates altamarinus (Linnaeus, 1758) (Bate & Westwood, 1862) 150894 129695 - - 118018 - - 118019 130977 67321 176919 - 116986 69312 Amphipoda Oedicerotidae (Bate, 1858) 102918 94565 1496 Malacostraca Amphipoda Pontogammaridae (Sars, 1894) 234077 - 1497 Malacostraca Decapoda 1498 Malacostraca Decapoda 1499 Malacostraca Amphipoda Valvatida 1502 Gymnolaemata Cheilostomatida 1503 Gymnolaemata Cheilostomatida 1504 Gymnolaemata Cheilostomatida 1505 Insecta Ephemeroptera 1506 Polychaeta Sabellida 1507 Polychaeta Sabellida 107563 97184 (Leach, 1815) 107564 97179 Krøyer, 1842 103079 93967 Busk, 1854 (M.Sars, 1851) (Linnaeus, 1767) - 101511 155389 68136 (Oschmann, 1913) 1510 Clitellata Haplotaxida Tubificidae Potamothrix bavaricus Potamothrix bedoti Potamothrix hammoniensis Potamothrix heuscheri (J.E. Gray, 1843) 147123 205006 137559 68787 - 68791 (Michaelsen, 1901) 137561 68792 (Bretscher, 1900) 137562 - (Piguet, 1913) 1511 Clitellata Haplotaxida Tubificidae 1512 Clitellata Haplotaxida Tubificidae 1513 Clitellata Haplotaxida Vejdovský & Mrázek, 1903 137563 68789 (Hrabe, 1941) 137565 68790 (Müller, 1776) 120177 90181 (Rathke, 1843) 120178 90183 1516 Malacostraca Mysida 1517 Malacostraca Mysida Mysidae Praunus inermis Synonymised taxa 111130 206774 68127 Tubificidae Diptera Freshwater (F) 111125 156425 130954 Haplotaxida Haplotaxida 1962 F 111124 156421 (Bruguière, 1789) 1509 Clitellata 1514 Clitellata Polypedilum F breviantennatum Chernovskij, 1940; Calopsectra americana Kieffer, 1917, Tanytarsus F fulvescens Johannsen, 1905, Tanytarsus sordens Wulp, 1874 Eumenia crassa Örsted, 1843 Amphiporus roseus (Müller, 1774) nomen dubium Hirudo muricata Linnaeus, 1758 125166 157145 (Sars, 1851) Hypsogastropoda Hydrobiidae 1515 Insecta F (Fleming, 1828) 111128 156439 1508 Gastropoda Potamothrix moldaviensis Potamothrix Tubificidae vejdovskyi Potthastia Chironomidae longimanus Mysidae Praunus flexuosus 282555 102916 206551 (Sars, 1861) Potamopyrgus antipodarum Tubificidae First record (neobiota) F 1495 Malacostraca 1501 Gymnolaemata Cheilostomatida Chironomus F flavonervosum Staeger, 1839 F Oedicerotidae 1500 Asteroidea 282551 - 129671 Amphipoda (O.F. Müller, 1776) (J. Sowerby, 1805) F - 568536 1494 Malacostraca Pontocrates arenarius Pontogammarus robustoides Pontophilus Crangonidae norvegicus Pontophilus Crangonidae spinosus Pontoporeia Pontoporeiidae femorata Porania (Porania) Poraniidae pulvillus BryocryptelPorella compressa lidae BryocryptelPorella concinna lidae BryocryptelPorella laevis lidae BryocryptelPorella patula lidae Potamanthus Potamanthidae luteus Potamilla Sabellidae neglecta Potamilla Sabellidae reniformis Others (Lamarck, 1815) 134194 204064 Diptera 1493 Clitellata ZipcodeZoo Schneider, 1868 130714 204737 1485 Insecta Nemertina 1492 incertae sedis Fauna Europaea 66805 Diptera Polypedilum convictum Polypedilum Chironomidae cultellatum Polypedilum Chironomidae pullum Polydora ligni Webster, 1879 Polydora ciliata limicola Annenkova, 1934 131143 204501 1484 Insecta Polypedilum bicrenatum Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year 1480 Polychaeta 1483 Demospongiae Hadromerida 138 Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species (Kieffer, 1922) - - 117613 F Potamopyrgus jenkinsi 1887 F (Smith, 1889), Paludestrina jenkinsi (Smith, 1889) Euilyodrilus bavaricus F (Oeschmann, 1913) 1980 F Euilyodrilus hammoniensis (Michaelsen, 1901) Euilyodrilus heuscheri (Bretscher, 1900); 1915 F Ilyodrilus heuscheri (Bretscher, 1900); Tubifex heuscheri Bretscher, 1900; F 1980 F 1980 F 284640 F Diamesa campestris Edwards, 1929 1518 Malacostraca Mysida Mysidae (M. Sars in G.O. 130322 Sars, 1872) Maldanidae Praxillella affinis 1520 Polychaeta Capitellida Maldanidae 1521 Polychaeta Capitellida Praxillella praetermissa Praxillura longissima Priapulus caudatus Prionospio (Prionospio) dubia Prionospio (Prionospio) steenstrupi Prionospio banyulensis Prionospio cirrifera Maldanidae 1523 Polychaeta Spionida Spionidae 1524 Polychaeta Spionida Spionidae 1525 Polychaeta Spionida Spionidae 1526 Polychaeta Spionida Spionidae 1527 Polychaeta Spionida Spionidae Prionospio fallax 1528 Polychaeta Spionida Spionidae 1529 Clitellata Haplotaxida Naididae 1530 Clitellata Haplotaxida Naididae 1531 Clitellata Haplotaxida Naididae Prionospio malmgreni Pristina aequiseta Pristinella bilobata Pristina foreli 1532 Clitellata Haplotaxida Tubificidae 1533 Clitellata Haplotaxida Naididae 1534 Malacostraca Isopoda Asellidae 1535 Polychaeta Phyllodocida Syllidae 1536 Polychaeta Phyllodocida Syllidae 1537 Rhabditophora Seriata Procerodidae 1538 Rhabditophora Seriata Procerodidae 1539 Malacostraca Decapoda Processidae 1540 Malacostraca Decapoda Processidae 1541 Insecta Diptera 1542 Insecta Diptera 1543 Insecta Diptera 1544 Insecta Ephemeroptera 1545 Insecta Diptera (Malmgren, 1865) Arwidsson, 1906 Proasellus coxalis Proceraea cornuta Proceraea prismatica Procerodes littoralis Procerodes ulvae Processa canaliculata Processa nouveli holthuisi Laubier, 1966 131151 204505 Wirén, 1883 131153 67031 Söderström, 1920 131157 66850 1552 Polychaeta 1553 Hydrozoa Anthoathecata 1554 Malacostraca Amphipoda 1555 Echinoidea Echinoida 1556 Polychaeta Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera - - - 68881 F - 68883 F - - 131362 65591 (O.F. Müller, 1776) 131366 - (Ström, 1768) 143647 54485 (Ørsted, 1843) 481647 - Leach, 1815 107682 96947 Al-Adhub & Williamson, 1975 108344 - F - 44088 234353 234362 F F F Autolytus cornutus Agassiz, 1862 (Kieffer, 1918) - - 441816 284750 F Kieffer, 1922 - - 441820 284769 F (Meigen, 1804) - - 117558 284742 F (Bengtsson, 1912) - - 104658 193168 F (Meigen, 1818) - 128454 F Enchytraeoides glandulosus (Michaelsen, 1888) Michaelsen, 1905 254319 68549 - - 160446 74738 Lora turricula (Montagu, 1803); Oenopota turricula (Montagu, 1803) - 57578 Prostoma rubrum (Leidy) (Montagu, 1803) Eunicida 66839 68879 (Agassiz, 1884) Propebela turricula Polychaeta incertae sedis Laonice cirrata minuta Augener, 1921; Prionospio bocki Söderström, 1920; Prionospio capensis McIntosh, 1885 - 233891 546371 Michaelsen, 1922 1551 Polychaeta Prionospio steenstrupi Malmgren, 1867 131159 (Dollfus, 1892) Propappus volki Actiniaria Bio Lib 66845 Propappidae 1550 Anthozoa 67623 334626 Haplotaxida Prostoma graecense Protanthea Gonactiniidae simplex Protodorvillea Dorvilleidae kefersteini Protodriloides Protodrilidae chaetifer Protohydra Protohydridae leuckarti Protomedeia Ischyroceridae fasciata Psammechinus Echinidae miliaris PsammodriPsammodrilus lidae balanoglossoides 130327 Malmgren, 1867 1547 Clitellata Tetrastemmatidae 67570 66841 Enchytraeidae Hoplonemertea 130326 334624 Haplotaxida 1549 Enopla Clymene (Praxillella) affinis (M. Sars in G.O. Sars, 1872); Clymene affinis M. Sars in G.O. Sars, 1872; Clymene lophoseta Orlandi, 1898; Praxilla praetermissa Malmgren, 1865 67571 Day, 1961 1546 Clitellata Conidae 90182 101160 155156 Propappus glandulosus Neogastropoda 120180 Lamarck, 1816 Claparède, 1869 Bourne, 1891 (Bretscher, 1903) Piguet, 1906 Ehrenberg, Pristina longiseta 1828 Pristinella rosea (Piguet, 1906) Procladius Chironomidae (Holotanypus) ferrugineus Procladius Chironomidae (Psilotanypus) imicola Procladius Chironomidae choreus Procloeon Baetidae bifidum Prodiamesa Chironomidae olivacea 1548 Gastropoda TSN (ITIS) (G.O. Sars, 1869) Capitellida Priapulidae AphiaID (WoRMS) Praunus neglectus 1519 Polychaeta 1522 Priapulida Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species (Bohmig, 1892) Carlgren, 1891 100913 612078 (McIntosh, 1869) 130041 84216 234391 F 66496 Protodrilus chaetifer Remane, 1925 (Remane, 1926) 155184 204727 Greeff, 1870 117842 50843 Krøyer, 1842 102443 94087 (P.L.S. Müller, 1771) (Swedmark, 1952) F 124319 157954 130859 67092 139 1557 Clitellata Haplotaxida 1558 Clitellata Haplotaxida 1559 Insecta Diptera (Michaelsen, 1901) 476056 - F (Grube, 1861) 176517 68754 F (Edwards, 1929) - 129022 F Goetghebuer, 1942 - Diptera 1561 Insecta Diptera Chironomidae Psectrocladius limbatellus (Holmgren, 1869) - 129031 1562 Insecta Diptera Chironomidae (Walker, 1856) - 129036 1563 Insecta Diptera Chironomidae (Kieffer, 1906) - 129050 F 1564 Insecta Diptera Chironomidae - 129041 F 1565 Insecta Diptera Chironomidae - 129051 F 1566 Insecta Diptera Chironomidae 1567 Bivalvia Ostreoida Pectinidae 1568 Bivalvia Unionoida Unionidae 1569 Malacostraca Isopoda Bopyridae Psectrocladius obvius Psectrocladius psilopterus Psectrocladius simulans Psectrocladius sordidellus Psectrotanypus varius Pseudamussium peslutrae Pseudanodonta complanata Pseudione borealis Pseudione callianassae Pseudochironomus prasinatus Pseudocuma (Pseudocuma) longicorne Pseudocuma (Stenocuma) graciloides Pseudomma affine 1570 Malacostraca Isopoda Bopyridae 1571 Insecta Diptera Chironomidae 1572 Malacostraca Cumacea Pseudocumatidae 1573 Malacostraca Cumacea Pseudocumatidae 1574 Malacostraca Mysida Mysidae (Johannsen, 1937) (Zetterstedt, 1938) (Fabricius, 1787) Linnaeus, 1771 (Rossmässler, 1835) 118236 206364 (Staeger, 1839) 110627 - Sars, 1894 110629 - G.O. Sars, 1870 120182 90132 Pseudopolydora antennata Spionidae 1578 Polychaeta Spionida Spionidae 1579 Polychaeta Sabellida Sabellidae Pseudopolydora pulchra Pseudopotamilla reniformis Pseudoprotella phasma Pseudothyone raphanus Amphipoda 1581 Holothuroidea Dendrochirotida 1582 Holothuroidea Dendrochirotida 1583 Holothuroidea Dendrochirotida 1584 Insecta Trichoptera 1585 Gastropoda Caprellidae Cucumariidae Psolidae 143564 - (Claparède, 1869) 131166 66934 (Okuda, 1937) 131168 66933 (Carazzi, 1895) 131169 66931 (Müller, 1771) 130963 68137 101871 - (Montagu, 1804) (Düben & Koren, 1846) (Strussenfelt, Psolus phantapus 1765) Jaeger, 1833 Chironomus limbatellus Holmgren, 1869, Psectrocladius edwardsi Brundin, 1949 Chironomus obvius F Walker, 1856 3001 284781 F 97770 F Anodonta complanata Rossmässler, 1835; F Chironomus prasinatus Staeger, 1839 Pseudocuma longicornis (Bate, 1858) 2004 Pseudocuma F (Pseudocuma) similis G.O. Sars, 1900 Polydora (Carazzia) paucibranchiata Okuda, 1937 Polydora pulchra (Carazzi, 1895) 124661 206847 Holothuria phantapus Strussenfelt, 1765; Psolus granulatus Ayres, 1851; Psolus laevigatus Ayres, 1851; Psolus regalis Verrill, 1866; 124710 158156 (O.F. Müller, Psolus squamatus 1776) Lütken, 124713 158158 1857 Psychomyia Psychomyiidae (Fabricius, 1781) - 115348 pusilla Puncturella Fissurellidae (Linnaeus, 1771) 139975 69514 noachina Psolus valvatus Östergren, 1904 Psolidae 1586 Gastropoda Hypsogastropoda Rissoidae Pusillina inconspicua (Alder, 1844) 141334 205029 1587 Gastropoda Hypsogastropoda Rissoidae Pusillina sarsi (Lovén, 1846) 141341 205030 1588 Pycnogonida Pantopoda Pycnogonidae Pycnogonum litorale (Strom, 1762) 239867 - 1589 Polychaeta Spionida Spionidae Pygospio elegans Claparède, 1863 131170 66917 Electridae Pyripora catenularia (Fleming, 1828) 111358 155878 1590 Gymnolaemata Cheilostomatida F - 129871 (Bate, 1858) Spionidae Spionida - 118235 546515 1576 Polychaeta 1577 Polychaeta - Kossmann, 1881 1575 Rhabditophora Seriata Pseudopolydora paucibranchiata - 283688 1591 Gastropoda Basommatophora Lymnaeidae Radix ampla 1592 Gastropoda Basommatophora Lymnaeidae Radix auricularia 1593 Gastropoda Basommatophora Lymnaeidae Radix balthica (Hartmann, 1821) (Linnaeus, 1758) (Linnaeus, 1758) Psammoryctides albicolus (Michaelsen, 1901) F - 117561 140717 Caspers, 1939 Pseudomonocelis (Schultze M, Monocelididae 1851) agilis Spionida - - 441855 Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Psammoryctides albicola Psammoryctides Tubificidae barbatus Psectrocladius Chironomidae barbimanus Psectrocladius Chironomidae bisetus Tubificidae 1560 Insecta 1580 Malacostraca 140 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species F Psychomyia annulicornis Pictet, 1834 Rissoa inconspicua Alder, 1844; Turboella inconspicua (Alder, 1844) Spelling variation: Pusillina sarsi; Synonym: Rissoa albella Pycnogonum littorale (Strom, 1762) Spio seticornis Michaelsen, 1896 - - 2557 270362 F 248263 76526 F 248264 - F Radix ovata (Draparnaud, 1805) 1594 Gastropoda Basommatophora Lymnaeidae Radix labiata (Rossmässler, 1835) Busk, 1856 1595 Gymnolaemata Cheilostomatida Romancheinidae Ragionula rosacea 1596 Insecta Nepidae Ranatra linearis 1597 1598 1599 1600 Hemiptera Raphitoma Gastropoda Hypsogastropoda Turridae leufroyi Raphitoma Gastropoda Hypsogastropoda Turridae linearis Rathkea Hydrozoa Anthoathecata Rathkeidae octopunctata Reteporella Gymnolaemata Cheilostomatida Phidoloporidae beaniana 1601 Gastropoda Cephalaspidea Retusidae (Linnaeus, 1758) (Michaud, 1827) (Montagu, 1803) 139370 - 141134 76279 141138 76289 - - Retusidae Dytiscidae 1604 Insecta Coleoptera Dytiscidae 1605 Insecta Diptera Chironomidae 1606 Insecta Diptera 1607 Malacostraca Decapoda Panopeidae Rhithropanopeus (Gould, 1841) harrisii 1608 Hydrozoa Leptothecata Campanulariidae Rhizocaulus verticillatus 1609 Polychaeta Capitellida Maldanidae Rhodine gracilior Tauber, 1879 (Harris, 1828) (Goetghebuer, 1921) (Johannsen, 1905) (Linnaeus, 1758) 1610 Polychaeta Capitellida Maldanidae Rhodine loveni 1611 Clitellata Haplotaxida Tubificidae 1612 Clitellata Lumbriculida Lumbriculidae Rhyacodrilus coccineus Rhynchelmis limosella Malmgren, 1865 (Vejdovský, 1875) Hoffmeister, 1843 1613 Clitellata Haplotaxida Tubificidae 1614 Gastropoda 4738 119244 F - 112093 - - 118025 F 283237 107414 98790 117399 49667 130330 67580 F 1948 67581 - 68842 F - 68464 F Ripistes parasita (Schmidt, 1847) 157595 68964 Hypsogastropoda Rissoidae Rissoa membranacea (J. Adams, 1800) 141359 70984 1615 Gastropoda Hypsogastropoda Rissoidae Rissoa parva 141365 70954 1616 Gastropoda Littorinimorpha 1617 Gastropoda Hypsogastropoda Rissoidae 1618 Gastropoda Cephalaspidea Cylichnidae 1619 Polychaeta Sabellida Sabellidae 1620 Polychaeta Sabellida 1621 Polychaeta Terebellida 1622 Malacostraca Isopoda Chaetiliidae Saduria entomon 1623 Anthozoa Actiniaria Sagartiidae 1624 Anthozoa Actiniaria Sagartiidae 1625 Anthozoa Actiniaria Sagartiidae 1626 Anthozoa Actiniaria Sagartiidae Sagartia elegans Sagartia troglodytes Sagartiogeton laceratus Sagartiogeton undatus 1627 Anthozoa Actiniaria Sagartiidae 1628 Polychaeta Terebellida Ampharetidae 1629 Anthozoa Alcyonacea Clavulariidae 1630 Hydrozoa Anthoathecata Corynidae 1631 Bivalvia Euheterodonta incertae sedis Hiatellidae 1632 Polychaeta Opheliida 1633 Maxillopoda Pedunculata Rissoidae Sabella pavonina (Savigny, 1822) Sabella Sabellidae (Gmelin, 1791) spallanzanii Sabellides Ampharetidae (M. Sars, 1835) octocirrata 153738 - 141374 - 130967 Ripistes rubra Lastockin, F 1918, Stylaria parasita Schmidt, 1847 Zippora membranacea (Adams, 1797); Rissostomia membranacea (Adams, 1797) Turboella parva (da Costa, 1778) 68143 130969 204623 67773 119034 92646 (Dalyell, 1848) Price in Johnston, 1847 100991 52691 100994 52690 (Dalyell, 1848) 100999 204186 Müller, 1778 101002 204187 Sagartiogeton viduatus (Müller, 1776) 101004 611816 Samytha sexcirrata Sarcodictyon roseum (M. Sars, 1856) 129819 Philippi, 1842 125340 - Sarsia tubulosa (M. Sars, 1835) 117491 49055 Saxicavella jeffreysi Scalibregma Scalibregmidae inflatum Scalpellum Scalpellidae scalpellum Tanytarsus exiguus Johannsen, 1905 Rhithropanopeus harrisii tridentatus Buitendijk & Holthuis, 1949 Campanularia verticillata (Linnaeus, 1758); Verticillina verticillata (Linnaeus, 1758) Rhodine loveni gracilior Tauber, 1879 139486 205196 129818 (Linnaeus, 1758) Agabus subopacus Mannerheim, 1853, Rhantus zimmermanni Wallis, 1933 F - 129957 130331 (da Costa, 1778) Rissoa sarsii (Lovén, 1846) Desmarest, Rissoa violacea 1814 Roxania utriculus (Brocchi, 1814) Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea F - 49387 Cephalaspidea F 139371 205147 117848 Coleoptera 270367 - 103758 111448 1603 Insecta 2561 Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) - King, 1846 1602 Gastropoda Rheotanytarsus curtistylus Rheotanytarsus Chironomidae exiguus - 111585 156284 (Sars, 1835) (Montagu, Retusa obtusa 1803) (Bruguière, Retusa truncatula 1792) Rhantus exsoletus (Forster, 1771) Rhantus suturellus AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Idotea entomon Linnaeus, 1758; Mesidotea entomon auctorum Actinia viduata Müller, 1776; Paractis viduata (Müller, 1776) 67799 Winckworth, 1930 140108 81781 Rathke, 1843 130980 67313 Linnaeus, 1767 106204 206253 Coryne tubulosa (M. Sars ,1835) 141 1634 Gastropoda Cephalaspidea Cylichnidae 1635 Polychaeta Eunicida Dorvilleidae 1636 Malacostraca Mysida 1637 Malacostraca Mysida Mysidae Mysidae 1638 Gymnolaemata Cheilostomatida Bitectiporidae 1639 Polychaeta Spionida Spionidae 1640 Polychaeta Spionida Spionidae 1641 Polychaeta Spionida Spionidae 1642 Polychaeta Spionida Spionidae 1643 Polychaeta 1644 Malacostraca Orbiniida Amphipoda 1655 Insecta Ephemeroptera 139490 76166 Oug, 1978 331688 66531 (G.O. Sars, 1864) 120204 90533 (Norman, 1860) 120206 90531 Scolelepis tridentata Scoloplos Orbiniidae (Scoloplos) armiger Scopelocheiri- Scopelocheirus dae hopei ScrobiculariScrobicularia idae plana Scruparia Scrupariidae ambigua Hassall, 1841 111099 156334 (Audouin & Milne Edwards, 1833) 334741 66950 (O.F. Muller, 1806) 157566 66943 (Mesnil, 1896) 131171 66954 (Southern, 1914) 131178 66945 (Müller, 1776) 334772 66595 (Costa, 1851) 102720 206540 Ephemerellidae Serratella ignita 1656 Hydrozoa Leptothecata Sertulariidae 1657 Hydrozoa Leptothecata Sertulariidae 1658 Hydrozoa Leptothecata Sertulariidae Sertularella rugosa Sertularia cupressina Sertularia tenera 1659 Insecta Megaloptera Sialidae Sialis lutaria (Poda, 1761) 141424 Paramysis ornata (G.O. Sars, 1864) Paramysis spiritus (Norman, 1860) Aonis squamata (O.F. Müller, 1806) Nerine bonnieri Mesnil, 1896 Scolelepis (Parascolelepis) tridentata (Southern, 1914); Aricia armiger (Müller, 1776) Scrobicularia piperata (Poiret, 1786) 81320 111539 155819 111540 155820 111247 206728 111248 156119 111250 156124 140250 205367 111374 155894 - - 106210 89687 - 49852 (Linnaeus, 1758) 117907 Linnaeus, 1758 117913 49917 Sars, 1874 117925 49902 - 2604 270441 25432 193248 Planorbis nitidus O.F. Müller, 1774 Synonym: Balanus balonoides Ephemerella ignita (Poda, F 1761) Sertularia rugosa Linnaeus, 1758 F Sertularella cupressina 1661 Insecta Hemiptera Corixidae Sigara distincta (Fabricius, 1801) (Audouin & Milne Edwards 131072 in Cuvier, 1830) (Fieber, 1848) 504204 - F 1662 Insecta Hemiptera Corixidae Sigara falleni (Fieber, 1848) 504196 - F 1663 Insecta Hemiptera Corixidae Sigara fossarum (Leach, 1817) 504206 - F 1664 Insecta Hemiptera Corixidae Sigara semistriata (Fieber, 1848) 504198 - F 1665 Insecta Hemiptera Corixidae Sigara striata (Linnaeus, 1758) 504209 103399 1666 Polychaeta Phyllodocida Phyllodocidae Sige fusigera Malmgren, 1865 130690 Bate, 1856 102111 206432 1660 Polychaeta Phyllodocida Sigalionidae Sigalion mathildae 1674 Asteroidea Velatida Solasteridae 1675 Insecta Odonata Corduliidae Solaster endeca Somatochlora flavomaculata Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) (Mighels & Adams, 1842) Siphonoecetes Corophiidae (Centraloecetes) 1667 Malacostraca Amphipoda kroyeranus Siphonoecetes Ischyroceridae (Centraloecetes) 1668 Malacostraca Amphipoda striatus Skeneopsis Hypsogastropoda Skeneopsidae 1669 Gastropoda planorbis Slavina Haplotaxida Naididae 1670 Clitellata appendiculata 1671 Gymnolaemata Cheilostomatida Smittinidae Smittina bella Smittoidea 1672 Gymnolaemata Cheilostomatida Smittinidae reticulata Lysianassidae Socarnes vahlii 1673 Malacostraca Amphipoda 142 AphiaID (WoRMS) Author /Year Scaphander punctostriatus Schistomeringos eliasoni Schistomysis ornata Schistomysis spiritus Schizomavella linearis Scolelepis (Scolelepis) foliosa Scolelepis (Scolelepis) squamata Scolelepis bonnieri (da Costa, 1778) (d’Orbigny, 1646 Gymnolaemata Cheilostomatida 1841) (Linnaeus, Scruparia chelata 1647 Gymnolaemata Cheilostomatida Scrupariidae 1758) (Linnaeus, Scrupocellaria 1648 Gymnolaemata Cheilostomatida Candidae 1758) reptans van Beneden, Scrupocellaria 1649 Gymnolaemata Cheilostomatida Candidae 1848 scabra Scrupocellaria Linnaeus, 1758 1650 Gymnolaemata Cheilostomatida Candidae scruposa (Salvini-Plawen, Scutopus 1651 Caudofoveata Chaetodermatida Limifossoridae 1968) ventrolineatus Securiflustra Pallas, 1766 1652 Gymnolaemata Cheilostomatida Flustridae securifrons Segmentina (O.F. Müller, Pulmonata Planorbidae 1653 Gastropoda nitida 1774) ArcheobalaSemibalanus Sessilia Linnaeus, 1758 1654 Maxillopoda nidae balanoides 1645 Bivalvia Euheterodonta incertae sedis Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 61064 84810 F 65095 Notonecta striata F Linnaeus, 1758; Corixa striata (Linnaeus, 1758) Siphonoecetes colletti Boeck, 1862; (Myers & 102115 206433 McGrath, 1979) (Fabricius O., 1780) 141539 71217 (Udekem, 1855) 157597 68856 Busk, 1860 MacGillivray, 1842 (Kroyer, 1838) 94410 F 111550 156444 111573 206765 102726 (Linnaeus, 1771) 124160 157076 (Vander Linden, 1825) 1645 214366 F Libellula flavomaculata Vander Linden, 1825 Somatochlora metallica 1676 Insecta Odonata Corduliidae 1677 Polychaeta Terebellida Ampharetidae Sosane sulcata 1678 Echinoidea Spatangoida Spatangidae Spatangus purpureus (Vander Linden, 1825) Malmgren, 129821 67846 1866 (O.F. Müller, 124418 158121 1776) (Vejdovský, - 68985 1883) (Linnaeus, 181564 81392 1758) 1679 Clitellata Haplotaxida Naididae Specaria josinae 1680 Bivalvia Euheterodonta incertae sedis Pisidiidae 1681 Bivalvia Veneroidea Sphaeriidae 1682 Bivalvia Veneroidea Sphaeriidae Sphaerium corneum Sphaerium rivicola Sphaerium solidum 1683 Polychaeta Phyllodocida Sphaerodoridae Sphaerodoropsis baltica (Reimers, 1933) 131089 573736 1684 Polychaeta Phyllodocida 155339 - Phyllodocida Sphaerodoropsis disticha Sphaerodoropsis flavum (Eliason, 1962) 1685 Polychaeta Sphaerodoridae Sphaerodoridae Oersted, 1843 131092 - Sphaerodoropsis minuta (Webster & 131096 Benedict, 1887) 66074 - 1688 Polychaeta Phyllodocida Sphaerodoridae Sphaerodorum gracilis (Rathke, 1843) 131100 66066 1689 Polychaeta Phyllodocida Syllidae 65739 Spionida Spionidae Claparède, 1863 (Thulin, 1957) 131388 1690 Polychaeta Sphaerosyllis hystrix Spio armata 131180 66873 Bobretzky, 1870 131182 - (Müller, 1776) 131183 66865 Thulin, 1957 131184 573740 Mesnil, 1896 131185 Spionidae 1694 Polychaeta Spionida Spionidae Spio filicornis Spio goniocephala Spio martinensis Spionida Chaetopteridae Spiochaetopterus M. Sars, 1856 typicus 1696 Polychaeta Spionida Spionidae 1697 Polychaeta Spionida Spionidae 1698 Clitellata Haplotaxida tubificidae Spiophanes bombyx Spiophanes kroyeri Spiridion insigne 107531 660041 129924 67106 (Claparède, 1870) 131187 66897 Grube, 1860 157576 - Knöllner, 1935 137543 68763 (Linnaeus, 1758) 555935 - 1699 Polychaeta Sabellida Serpulidae Spirobranchus triqueter 1700 Malacostraca Decapoda Hippolytidae (Danielssen, 1859) 1701 Polychaeta Sabellida Spirorbidae 1702 Polychaeta Sabellida Spirorbidae 1703 Polychaeta Sabellida Spirorbidae 1704 Polychaeta Sabellida Spirorbidae Haplotaxida tubificidae Spirontocaris lilljeborgii Spirorbis (Spirorbis) corallinae Spirorbis (Spirorbis) spirorbis Spirorbis (Spirorbis) tridentatus Spirorbis granulatus Spirosperma velutinus Spisula elliptica 1706 Bivalvia 1707 Bivalvia 1708 Bivalvia Euheterodonta incertae sedis Euheterodonta incertae sedis Euheterodonta incertae sedis 1709 Demospongiae Haplosclerida Mactridae Mactridae Mactridae Spongillidae Synonymised taxa Sphaerodorum minutum (Webster & Benedict, 1887) Sphaerodoridium philippi (Fauvel, 1911); Sphaerodorum philippi Fauvel, 1911; Sphaerodorum flavum Örsted, 1843; Sphaerodoropsis flavum Oersted, 1843 Paraspio decorata (Bobretzky, 1870); Spio decorata Bobretzky, 1870 Bebryce peripatus Johnston in Thompson, 1844; Ephesia gracilis Rathke, 1843; Nereis bullata Dalyell, 1853; Sphaerodoridium gracilis (Rathke, 1843); Sphaerodorum flavum Örsted, 1843; Sphaerodorum peripatus (Johnston in Thompson, 1844); Spiophanes kreuyeri; Spiophanes kröyeri; F Pomatoceros triqueter (Linnaeus, 1758); Vermilia triqueter (Linnaeus, 1758) de Silva, Knight334839 204641 Jones, 1962 Spirorbis corallinae de Silva & Knight-Jones, 1962 (Linnaeus, 1758) 334842 204645 Spirorbis spirorbis (Linnaeus, 1758) Levinsen, 1883 334843 - Spirorbis tridentatus (Levinsen, 1883) (Linnaeus, 1767) 157577 68255 (Grube, 1879) - - (Brown, 1827) 140300 80948 140301 80949 140302 80950 167235 47693 (Linnaeus, 1758) (da Costa, Spisula 1778) subtruncata (Linnaeus, Spongilla lacustris 1759) Spisula solida Sphaerodoridium balticum (Reimers, 1933); Sphaerodorum balticum Reimers, 1933 Sphaerodorum distichum Eliason, 1962 66875 1695 Polychaeta 1705 Clitellata Freshwater (F) F 131098 Spionidae First record (neobiota) F 97625 (Fauvel, 1911) Spionida Others 97622 3014 Sphaerodoropsis philippi Spionida ZipcodeZoo 3013 - Sphaerodoridae 1693 Polychaeta Fauna Europaea - Phyllodocida 1692 Polychaeta F - 1687 Polychaeta Spio decoratus F - Phyllodocida Spionidae F (Normand, 1844) 1686 Polychaeta Spionida 214368 (Lamarck, 1818) Sphaerodoridae 1691 Polychaeta 1644 Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Spirorbis granulata (Linnaeus, 1767) 84248 234523 F F 143 1710 Gastropoda Basommatophora Lymnaeidae 1711 Gastropoda Basommatophora Lymnaeidae 1712 Insecta Diptera 1713 Polyplacophora Chitonida Amphipoda Stenothoidae 1715 Malacostraca Amphipoda Stenothoidae 1717 Polychaeta Sigalionidae Phyllodocida Sthenelais Sigalionidae limicola Stichastrella Stichasteridae rosea Stictochironomus Chironomidae crassiforceps Stictochironomus Chironomidae psammophilus Stictochironomus Chironomidae rosenschoeldi Forcipulatida 1719 Insecta Diptera 1720 Insecta Diptera 1721 Insecta Diptera 1722 Insecta Diptera 1723 Gymnolaemata Cheilostomatida Actiniaria Chironomidae Sthenelais boa Stomachetosellidae Stomachetosella sinuosa Stomphia Actinostolidae coccinea 1725 Polychaeta Terebellida Terebellidae 1726 Polychaeta Spionida Spionidae Streblospio shrubsoli 1727 Polychaeta Phyllodocida Syllidae 1728 Echinoidea Echinoida Streptosyllis websteri StrongyloStrongylocentcentrotus droerotidae bachiensis Styelidae 1730 Ascidiacea Styela coriacea Styelidae Styela rustica 1731 Clitellata Haplotaxida Tubificidae 1732 Clitellata Haplotaxida Tubificidae 270377 O. F. Müller, 1774 - - 2554 270384 (Edwards, 1929) - 129972 Linnaeus, 1767 247773 (Montagu, 1815) 103169 206571 Sars, 1883 103178 - (Johnston, 1833) 131074 65084 (Ehlers, 1864) 131077 65086 (O.F. Müller, 1776) 123813 157295 (Kieffer, 1922) Chernovskij, 1949 (Zetterstedt, 1838) 78933 - 442286 - - (Busk, 1860) 111577 156274 Müller, 1776 100854 52630 M. Sars in G.O. Sars, 1872 131540 - (Buchanan, 1890) 334883 204515 Southern, 1914 131402 (O.F. Müller, 1776) 124321 157969 Grymaea brachiata Ehlers, 1874; Streblosoma intestinalis M. Sars, 1872; Streblospio benedicti Webster, 1879 partim; Streblospio dekhuyzeni Horst, 1909; Streblospio shrubsolii (Buchanan, 1890) 65820 (Alder & 103930 159302 Hancock, 1848) Linnaeus, 1767 103937 159309 Plexauridae 1740 Calcarea Leucosolenida Sycettidae Sycon ciliatum (Fabricius, 1780) 132251 47051 1741 Polychaeta Phyllodocida Syllidae Syllides longocirratus (Örsted, 1845) 131411 65806 130198 65498 131415 65670 1742 Polychaeta Phyllodocida Hesionidae Syllidia armata 1743 Polychaeta Phyllodocida Syllidae Syllis armillaris 1744 Polychaeta Phyllodocida Syllidae Syllis cornuta Quatrefages, 1866 (O.F. Müller, 1776) Rathke, 1843 1745 Polychaeta Phyllodocida Syllidae Syllis variegata Grube, 1860 Synonymised taxa Freshwater (F) First record (neobiota) Others F Tipula histrio Fabricius, F 1794, Tipula sticticus Fabricius, 1781 Alcyonacea Gomphidae Odonata - - 129811 1739 Anthozoa Euryleptidae 1736 Insecta 88716 F F Suberitidae 1735 Rhabditophora Polycladida - 282437 - 129809 Suberitidae Lumbriculidae Lumbriculida Lymnaea corvus (Gmelin, 1791) Lymnaea palustris (O. F. F Müller, 1774) Tanytarsus minor Edwards, F 1929 Ischnochiton albus (Linnaeus, 1767) F Metopa rubrovittata Sars, 1882 - 1738 Demospongiae Hadromerida 1734 Clitellata ZipcodeZoo 2551 1737 Demospongiae Hadromerida Stylochoplanidae Fauna Europaea - Stylaria fossularis Leidy, 1852 (Linnaeus, Stylaria lacustris 1767) (Quatrefages, Stylochoplana 1845) maculata Claparède, Stylodrilus 1862 heringianus (Dalyell, 1853) Stylostomum Lang 1884 ellipse (Charpentier, Stylurus flavipes 1825) (Johnston, Suberites ficus 1842) (Johnston, Suberites 1842) virgultosus Swiftia rosea (Grieg, 1887) 1733 Rhabditophora Polycladida Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) - Stictochironomus (Fabricius, 1781) sticticus Streblosoma intestinale 1729 Ascidiacea Author /Year Valid Taxon Name Stenothoe monoculoides Stenula rubrovittata Phyllodocida 1718 Asteroidea 1724 Anthozoa Stagnicola corvus (Gmelin, 1791) Stagnicola palustris Stempellinella Chironomidae minor IschnochitoStenosemus albus nidae 1714 Malacostraca 1716 Polychaeta 144 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Cynthia coriacea Alder & Hancock, 1848 - 68873 F 137486 68872 F 142861 - F - 68452 F 142822 - - - 134285 48488 134305 - 125402 - 157583 65635 131458 65683 1634 214329 F Gomphus flavipes (Charpentier, 1825) Suberites luetkeni Schmidt, 1870 Scypha ciliata (Fabricius, 1780); Sycandra coronata (Ellis & Solander, 1786); Sycon coronatum (Ellis & Solander, 1786) Syllis (Syllides) longocirrata Örsted, 1845 Typosyllis armillaris (O.F. Müller, 1776) Typosyllis cornuta Typosyllis variegata (Grube, 1860) 1746 Insecta Odonata Lestidae Sympecma paedisca (Brauer, 1877) - 1747 Insecta Odonata Libellulidae Sympetrum danae (Sulzer, 1776) - 101991 1748 Insecta Odonata Libellulidae Sympetrum flaveolum (Linnaeus, 1758) - 1749 Insecta Odonata Libellulidae Sympetrum striolatum (Charpentier, 1840) 1750 Insecta Odonata Libellulidae Sympetrum vulgatum (Linnaeus, 1758) 1751 Malacostraca Amphipoda Oedicerotidae 1752 Malacostraca Amphipoda 1753 Malacostraca Amphipoda 1754 Insecta Diptera 1755 Ascidiacea Enterogona 1756 Insecta Diptera Synchelidium haplocheles Synchelidium Oedicerotidae maculatum Synchelidium Oedicerotidae tenuimanum Synendotendipes Chironomidae impar Synoicum Polyclinidae pulmonaria Synorthocladius Chironomidae semivirens 1757 Malacostraca Amphipoda Talitridae Talitrus saltator 1758 Malacostraca Tanaidacea Nototanaidae Tanaissus lilljeborgi Tanganella muelleri Tanypus kraatzi Tanypus vilipennis Tanytarsus brundini Tanytarsus chinyensis Tanytarsus eminulus Tanytarsus excavatus Tanytarsus gr. lestagei Tanytarsus gregarius Tanytarsus inaequalis Tanytarsus mancus Tanytarsus medius 1759 Gymnolaemata Ctenostomatida Arachnidiidae 1760 Insecta Diptera Chironomidae 1761 Insecta Diptera Chironomidae 1762 Insecta Diptera Chironomidae 1763 Insecta Diptera Chironomidae 1764 Insecta Diptera Chironomidae 1765 Insecta Diptera Chironomidae 1766 Insecta Diptera Chironomidae 1767 Insecta Diptera Chironomidae 1768 Insecta Diptera Chironomidae 1769 Insecta Diptera Chironomidae 1770 Insecta Diptera Chironomidae 1771 Insecta Diptera Chironomidae 1772 Insecta Diptera Chironomidae 1773 Insecta Diptera Chironomidae 1774 Insecta Diptera Chironomidae 1775 Insecta Diptera Chironomidae 1776 Insecta Diptera 1777 Gastropoda 1778 Gymnolaemata Cheilostomatida 1779 Bivalvia Euheterodonta incertae sedis Chironomidae - Sympecma annulata (Sélys, 1887), Sympecma annulata braueri (Bianchi, 1904), Sympecma braueri Bianchi, 1904, Sympecma kashmirensis F Ander, 1944, Sympecma striata St. Quentin, 1963, Sympycna braueri Bianchi in Jakobson and Bianchi, 1904, Sympycna paedisca Brauer, 1877 Libellula danae Sulzer, 1776, Sympetrum arcticum F Matsumura, 1911, Sympetrum scoticum 1580 214256 - 1669 214401 F - - 1671 214409 F - - 1670 - - 442337 282430 (Grube, 1864) 102924 206552 (Stebbing, 1906) 102928 206553 Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Libellula ruficollis Charpentier, 1840, Libellula striolata Charpentier, 1840 Diplax imitans Selys, 1886, Libellula vulgata Linnaeus, 1758, Sympetrum F decolorata Selys, 1884, Sympetrum flavum Bartenev, 1915 (Norman, 1895) 102929 657163 (Walker, 1856) - F Ellis & Solander, 103692 158988 1786 (Kieffer, 1909) (Montagu, 1808) (Stebbing, 1891) - 129162 103220 95044 136486 91567 Kraeplin, 1887 111611 (Kieffer, 1912) - (Kieffer, 1918) - 128339 Lindeberg, 1963 Goetghebuer, 1934 F Talitrus locustra Sars, 1890 - 117565 F 284731 F - 129982 - F Protenthes vilipennis Kieffer, 1918 F - 118055 283131 F (Walker, 1856) - - 118058 283143 F Edwards, 1929 - - 442349 283145 F Goetghebuer, 1922 - - 118063 283181 F Kieffer, 1909 - 130034 F Goetghebuer, 1921 - 129999 F Tanytarsus macrosandalum Kieffer, 1913 (Walker, 1856) - - 117895 283403 F Cladotanytarsus mancus; Reiss et Fittkau, 1971 - - 442361 283193 F Tanytarsus mendax Kieffer, 1925 - 130003 Tanytarsus occultus Tanytarsus pallidicornis Tanytarsus smolandicus Tanytarsus usmaensis Tanytarsus verralli Brundin, 1949 - - 442366 (Walker, 1856) - 130013 Brundin, 1947 - Pagast, 1931 - 130021 Goetghebuer, 1928 (O.F. Müller, 1776) - - 442371 - 442375 Lottiidae Tectura virginea Calloporidae Tegella unicornis (Fleming, 1828) 111228 155949 Montacutidae Tellimya ferruginosa (Montagu, 1808) Tanytarsus holochlorus F Edwards, 1929, Tanytarsus xanthus Sublette, 1964 283204 F F 283220 F F 283231 F 153552 204946 146952 205600 Membranipora unicornis (Fleming, 1828) Montacuta ferruginosa (Montagu, 1808); 145 Euheterodonta incertae sedis Montacutidae Tellimya tenella (Lovén, 1846) 152397 - 1781 Bivalvia Veneroida Tellinidae Tellina donacina (Linnaeus, 1758) 141586 81124 1782 Bivalvia Euheterodonta incertae sedis Tellinidae Tellina fabula Gmelin, 1791 141587 81125 1783 Bivalvia Euheterodonta incertae sedis Tellinidae Tellina pygmaea Lovén, 1846 162581 81211 1784 Bivalvia Euheterodonta incertae sedis Tellinidae Tellina tenuis da Costa, 1778 141595 81122 Diptera Telmatogeton Chironomidae japonicus Tokunaga, 1933 118154 127924 1786 Gymnolaemata Cheilostomatida Romancheinidae Temachia microstoma (Norman, 1864) 221559 1787 Gastropoda Nudibranchia Tergipedidae Tenellia adspersa (Nordmann, 1845) 141639 78554 1788 Polychaeta Terebellida Trichobranchi- Terebellides dae stroemi Sars, 1835 131573 68069 1789 Bivalvia Euheterodonta incertae sedis Teredinidae Teredo navalis Linnaeus, 1758 141607 81862 Tessaradomidae Tessaradoma boreale (Busk, 1860) 111578 206808 Testudinalia testudinalis (Müller, 1776) 234208 - Tetrastemma bioculatum Tetrastemma coronatum Thalassarachna basteri Örsted, 1843 122759 - 1790 Gymnolaemata Cheilostomatida Patellogastropoda Lottiidae 1792 Enopla Hoplonemertea 1793 Enopla Hoplonemertea 1794 Arachnida Acarina Halacaridae 1795 Clitellata Haplotaxida Tubificidae Thalassodrilus prostatus (Knöllner, 1935) 137547 1796 Polychaeta Spionida Cirratulidae Tharyx mcintoshi (Southern, 1914) 334922 - Tharyx multibranchiis Thecocodium quadratum (Grube, 1863) 129976 - (Werner, 1965) 285333 - 1797 Polychaeta Terebellida Cirratulidae 1798 Hydrozoa Anthoathecata Ptilocodiidae (Quatrefages, 1846) (Johnston, 1836) Synonymised taxa Freshwater (F) Others ZipcodeZoo Fauna Europaea First record (neobiota) Montacuta tenella Lovén, 1846; Decipula tenella (Lovén, 1846); Moerella donacina (Linnaeus, 1758) Angulus fabula (Gmelin, 1791); Fabulina fabula (Gmelin, 1791) Angulus pygmaeus; Moerella pygmaea (Lovén, 1846); Tellina (Moerella) pygmaea Lovén, 1846; Tellina pusilla Angulus tenuis (da Costa, 1778) F Hemicyclopora microstoma (Norman, 1864) Embletonia pallida Alder & Hancock, 1842 Terebellides stroemi Sars, 1835; Terebellides carnea Bobretzky, 1881; Terebella pecten Dalyell, 1853; Terebellides gracilis Malm, 1874; - 1791 Gastropoda Tetrastemmatidae Tetrastemmatidae Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name 1780 Bivalvia 1785 Insecta 146 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 1853 Acmaea testudinalis (O.F. Müller, 1776); Tectura testudinalis (O.F. Müller, 1776) 122768 204309 114965 205765 68852 1799 Polychaeta Terebellida Terebellidae Thelepus cincinnatus (Fabricius, 1780) 131543 1800 Malacostraca Amphipoda Hyperiidae Themisto abyssorum Boeck, 1870 103259 206587 1801 Gastropoda Cycloneritimorpha Neritidae Theodoxus fluviatilis (Linnaeus, 1758) 153558 Halacarellus basteri (Johnston, 1836) Limnodriloides prostatus (Knoellner, 1935); Thalassodrilus prostratus F (Knoellner, 1935); Rhyacodrilus prostrata Knoellner, 1935 Cirratulus mcintoshi Southern, 1914; F Amphitrite cincinnata Fabricius, 1780; Heterophenacia renouardi Marion, 1883; Lumara flava Stimpson, 1854; Phenacia ambigrada Claparède, 1870; Phenacia pulchella Parfitt, 1866; Phenacia retrograda Claparède, 1870; Phenacia terebelloides Quatrefages, 1866; Sabella conchilega Montagu, 1818; Terebella madida Frey & Leuckart, 1847; Terebella pustulosa Grube, 1860; Thelephusa circinnata Verrill, 1871; Thelepodopsis flava M. Sars in G.O. Sars, 1872; Thelepus bergmanni Leuckart, 1849; Thelepus cincinnatus andreanae McIntosh, 1922; Thelepus cincinnatus canadensis McIntosh, 1885; Thelepus circinnata Malmgren, 1866; Thelepus crassibranchiatus Treadwell, 1901; Venusia punctata Johnston, 1865; Paratemisto oblivia (Kroyer); Parathemisto abyssorum Boeck, 1870; 67982 70178 F 1802 Clitellata Rhynchobdellida 1803 Malacostraca Decapoda 1804 Insecta Diptera Glossiphoniidae Thiidae Theromyzon tessulatum Thia scutellata Thienemannimyia Chironomidae pseudocarnea 1805 Bivalvia Anomalodesmata Thraciidae Thracia convexa 1806 Bivalvia Anomalodesmata Thraciidae 1807 Bivalvia Anomalodesmata Thraciidae 1808 Bivalvia Anomalodesmata Thraciidae 1809 Bivalvia Anomalodesmata Thraciidae Thracia papyracea Thracia phaseolina Thracia pubescens Thracia villosiuscula 1810 Bivalvia Euheterodonta incertae sedis Thyasiridae Thyasira equalis 1811 Bivalvia Euheterodonta incertae sedis Thyasiridae Thyasira flexuosa 1812 Bivalvia Euheterodonta incertae sedis Thyasiridae 1813 Holothuroidea Dendrochirotida Cucumariidae 1814 Holothuroidea Dendrochirotida 1815 Holothuroidea Dendrochirotida (O.F. Müller, 1774) (Fabricius, 1793) 107281 Murray, 1976 - 141644 205675 (Poli, 1791) 141649 - (Lamarck, 1818) 152378 81977 (MacGillivray, 1827) (Verrill & Bush, 1898) 80520 (Montagu, 1803) 141662 80512 Thyasira sarsi (Philippi, 1845) 141672 - Thyone fusus (O.F. Müller, 1776) 124670 158248 Thyonidium drummondii Thyonidium Phyllophoridae hyalinum Thysanocardia Golfingiidae procera (Thompson, 1840) 124694 - (Forbes, 1841) 124696 - (Möbius, 1875) 136063 772582 (Pennant, 1777) 141929 205653 Golfingiida 1817 Bivalvia Veneridae 1818 Insecta Trichoptera Psychomyiidae Tinodes waeneri 1819 Malacostraca Amphipoda Lysianassidae Timoclea ovata Tmetonyx similis Tonicella marmorea Tonicella rubra Trachythyone elongata (Linnaeus, 1758) (Sars, 1891) (Fabricius O., 1780) Linnaeus, 1767 (Düben & Koren, 1846) Travisia forbesii 102742 94453 140151 78900 140152 78901 149904 - Johnston, 1840 130512 67366 Tonicellidae 1821 Polyplacophora Chitonida Tonicellidae 1822 Holothuroidea Dendrochirotida Cucumariidae 1823 Polychaeta Opheliida Opheliidae 1824 Insecta Diptera Chironomidae Tribelos intextus (Walker, 1856) 1825 Polychaeta Terebellida Trichobranchi- Trichobranchus dae glacialis (Malmgren, 1866) 131574 68074 1826 Polychaeta Terebellida Trichobranchi- Trichobranchus dae roseus (Malm, 1874) 131575 68075 1827 Insecta Diptera Chironomidae - - 1828 Insecta Trichoptera Phryganeidae 1829 Ascidiacea Enterogona Didemnidae 1830 Insecta Diptera Chironomidae Trissocladius brevipalpis Triticella flava Triticella pedicellata Tritonia hombergi Tritonia plebeia 1831 Gymnolaemata Ctenostomatida Triticellidae 1832 Gymnolaemata Ctenostomatida Triticellidae 1833 Gastropoda Nudibranchia Tritoniidae 1834 Gastropoda Nudibranchia Tritoniidae 1835 Gastropoda Hypsogastropoda Triviidae Trivia arctica 1836 Polychaeta Spionida Trochochaetidae Trochochaeta multisetosa 1837 Malacostraca Amphipoda Lysianassidae Tryphosites longipes 1838 Clitellata Haplotaxida Tubificidae Tubifex ignotus Synonymised taxa First record (neobiota) Others ZipcodeZoo Freshwater (F) F Thracia phaseolina (Lamarck, 1818) Kieffer in Zavrel, 1926 (Curtis, 1834) Verrill, 1871 - 282420 Tinodes luridus Curtis, 1834 Ophelia mamillata Örsted, 1842 Chironomus intextus Walker, 1856; Endochironomus F intextus (Walker, 1856); Microtendipes coracellus Kieffer, 1918 Trichobranchus bibranchiatus Moore, 1903; - 87677 - - 605954 F F 103598 159072 111653 155592 (Alder, 1857) 111654 155591 - - 442827 Cuvier, 1803 141733 78475 Johnston, 1828 141738 78480 Pulteney, 1799 141741 73181 (Bate & Westwood, 1861) (Štolc, 1886) F - 118074 Kieffer & Thienemann, 1908 Dalyell, 1848 (Örsted, 1844) Cryptodon equalis Verrill & Bush, 1898; Axinus flexuosus (Montagu, 1803); Tellina flexuosa Montagu, 1803; Axinus sarsii Philippi, 1845; Thyasira sarsii; Holothuria fusus O.F. Müller, 1776; Holothuria papillosa Abildgaard, 1789; Thyone subvillosa Hérouard, 1890 ; Holothuria drummondii Thompson, 1840 - 601421 1820 Polyplacophora Chitonida Trichocladius inaequalis Trichostegia minor Trididemnum tenerum 284884 (Pulteney, 1799) 141650 205676 81978 Euheterodonta incertae sedis F - 117577 (Wood W., 1815) 141659 1816 Sipunculidea Fauna Europaea 69378 99122 141651 Phyllophoridae Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 131576 67077 102779 94428 - 68631 283442 F Disoma multisetosa Oersted, 1843; Trochochaeta sarsi Levinsen, 1883 partim; Disoma multisetosum Oersted, 1843; Trochochaeta multisetosum (Örsted, 1844) F 147 Haplotaxida Tubificidae Tubifex nerthus 1840 Clitellata Haplotaxida Tubificidae Tubifex newaensis Tubifex tubifex Tubificoides amplivasatus Michaelsen, 1908 (Michaelsen, 1903) (Müller, 1774) 68623 F Tubificidae 1843 Clitellata Haplotaxida Tubificidae Tubificoides benedii (Udekem, 1855) 137571 573810 1844 Clitellata Haplotaxida Tubificidae Tubificoides heterochaetus (Michaelsen, 1926) 137577 68595 1845 Clitellata Haplotaxida Tubificidae Tubificoides pseudogaster (Dahl, 1960) 137582 68626 Anthoathecata 1849 Stenolaemata Cyclostomatida 1850 Stenolaemata Cyclostomatida 1851 Stenolaemata Cyclostomatida 1852 Stenolaemata Cyclostomatida 1853 Stenolaemata Cyclostomatida 1854 Gymnolaemata Cheilostomatida 1855 Gastropoda Turbonilla interrupta 1856 Gastropoda Pyramidellidae 1857 Gastropoda Turbonilla jeffreysi Turbonilla Pyramidellidae rufescens Turrisipho Hypsogastropoda Buccinidae fenestratus Turritella Sorbeoconcha Turritellidae communis Typhlomangelia Neogastropoda Conidae nivalis Typhlotanais Tanaidacea Typhlotanaidae aequiremis Dendrogastri- Ulophysema Decapoda dae oeresundense 1858 Gastropoda 1859 Gastropoda 1860 Gastropoda 1861 Gastropoda 1862 Malacostraca 1863 Malacostraca 1864 Clitellata Pyramidellidae 122626 57423 Renier, 1804 122637 57418 Linnaeus, 1758 117994 48919 Harmer, 1898 111757 155668 (Pallas, 1766) 111760 155659 Hastings, 1963 111761 206696 111765 206698 111285 206786 (Brown, 1827) 141057 - Totten, 1835 160082 75687 (Forbes & Hanley, 1850) 141071 - (Forbes, 1846) 141090 - (Turton, 1834) 138932 205069 Risso, 1826 141872 71309 (Lovén, 1846) 139391 75273 478746 91582 103968 - 137487 68990 Haplotaxida Tubificidae Uncinais uncinata (Ørsted, 1842) 1865 Malacostraca Amphipoda Aoridae Unciola planipes Norman, 1867 1866 Bivalvia Unionoida Unionidae Unio crassus 1867 Bivalvia Unionoida Unionidae Unio pictorum Unio tumidus Upogebia deltaura Philipsson, 1788 (Linnaeus, 234102 1758) Philipsson, 1788 182708 1868 Bivalvia Unionoida Unionidae 1869 Malacostraca Decapoda Upogebiidae 1870 Malacostraca Decapoda Upogebiidae Upogebia stellata 1871 Malacostraca Amphipoda Urothoidae Urothoe elegans 1872 Malacostraca Amphipoda Urothoidae - 98212 93973 Urothoe poseidonis Reibish, 1905 103235 93978 98210 1873 Anthozoa Actiniaria Actiniidae Urticina felina (Linnaeus, 1761) 100834 573747 1874 Gastropoda Allogastropoda Valvatidae Valvata cristata O.F. Müller, 1774 153996 - (Mörch, 1864) 235809 - (O.F. Müller, 1774) 153998 70348 Allogastropoda Valvatidae Valvata piscinalis Paranais uncinata (Ørsted, 1842) F F 107742 1876 Gastropoda 97689 - 103228 Valvatidae 2993 F (Montagu, 1808) (Bate, 1857) Allogastropoda F - 107739 1875 Gastropoda Turbonilla (Pyrgiscus) fulvocincta W. Thompson, W. 1840 102061 206435 (Leach, 1815) Valvata macrostoma Synonymised taxa 111763 155674 Hincks, 1860 (Lilljeborg, 1864) (Brattström, 1936) Isochaetides newaensis (Michaelsen, 1903) Peloscolex amplivasatus Erséus, 1975 Clitellio ater Claparede, 1862; Peloscolex benedeni (Udekem, 1962[??]); Tubifex benedeni Udekem, 1855 Limnodrilus heterochaetus Michaelsen, 1926; Peloscolex heterochaetus (Michaelsen, 1926) Tubifex pseudogaster (Dahl, 1960); Isochaetides 2000 F pseudogaster (Dahl, 1960); Limnodrilus pseudogaster Dahl, 1960 Gordius annulatus Montagu, 1804 137570 204796 (Montagu, 1804) (O. Fabricius, 1780) Thompson in Harmer, 1898 Freshwater (F) 137569 Tubificidae 1848 Hydrozoa First record (neobiota) F Haplotaxida 1847 Anopla Others F 68633 Haplotaxida Tubulanus annulatus Tubulanus Tubulanidae polymorphus Tubulariidae Tubularia indivisa Tubulipora Tubuliporidae aperta Tubulipora Tubuliporidae liliacea Tubulipora Tubuliporidae lobifera Tubulipora Tubuliporidae penicillata Tubulipora Tubuliporidae plumosa Turbicellepora Celleporidae avicularis Turbonilla Pyramidellidae crenata ZipcodeZoo 68635 - 1841 Clitellata Tubulanidae Fauna Europaea 137568 1842 Clitellata (Erséus, 1975) Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name 1839 Clitellata 1846 Anopla 148 Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species Urothoe grimaldii inermis Stebbing, 1906; Urothoe inermis Chevreux & Fage, 1925; Tealia felina (Linnaeus, 1767) F Valvata pulchella Studer, 1820 (partim) Cincinna piscinalis Müller, F 1774 F 1877 Clitellata Haplotaxida Tubificidae Vejdovskyella comata 1878 Clitellata Haplotaxida Naididae 1879 Clitellata Haplotaxida Naididae Vejdovskyella intermedia Vejdovskyella macrochaeta 1880 Gastropoda Hypsogastropoda Velutinidae 1881 Bivalvia Veneroida 1882 Maxillopoda Sessilia Veneridae Verrucidae 1883 Gymnolaemata Ctenostomatida Victorellidae 1884 Anthozoa Pennatulacea Virgulariidae 1885 Gastropoda Hypsogastropoda Eulimidae Caenogastropoda Viviparidae incertae sedis Caenogastropoda Viviparidae 1887 Gastropoda incertae sedis Halichondrii1888 Demospongiae Halichondrida dae 1886 Gastropoda (Vejdovsky, 1884) (Bretscher, 1896) (Lastočkin, 1921) (O.F. Müller, Velutina velutina 1776) Venerupis (Gmelin, 1791) senegalensis (O.F. Muller, Verruca stroemia 1778) Saville Kent, Victorella pavida 1870 Virgularia (Müller, 1776) mirabilis (de Rayneval & Vitreolina Ponzi, 1854) philippi Viviparus (Millet, 1813) contectus (Linnaeus, Viviparus 1758) viviparus Vosmaeria Fristedt, 1885 crustacea (Linnaeus, Walkeria uva 1758) 1889 Gymnolaemata Ctenostomatida Walkeriidae 1890 Malacostraca Amphipoda Oedicerotidae Westwoodilla caecula (Bate, 1857) 1891 Insecta Trichoptera Philopotamidae Wormaldia subnigra 1892 Malacostraca Decapoda Xanthidae Xantho pilipes McLachlan, 1865 (A. MilneEwards, 1867) 1893 Insecta Diptera Chironomidae Xenochironomus (Kieffer, 1916) xenolabis Xenoturbella (Westblad, bocki 1949) (McLachlan, Ylodes reuteri 1880) Yoldiella lucida (Lovén, 1846) Xenoturbellidae 1894 1895 Insecta Trichoptera Leptoceridae 1896 Bivalvia Nuculanoida Yoldiidae 1897 Insecta Diptera Chironomidae Zalutschia mucronata Brundin, 1949 1898 Bivalvia Euheterodonta incertae sedis Pholadidae Zirfaea crispata (Linnaeus, 1758) Synonymised taxa Freshwater (F) First record (neobiota) Others ZipcodeZoo Fauna Europaea Bio. Sys. Datab.World Diptera Bio Lib TSN (ITIS) AphiaID (WoRMS) Author /Year Valid Taxon Name Family Order Class No HELCOM Checklist for Baltic Sea Invertebrate Species 157600 69010 Bohemilla comata Vejdovsky, 1883, F Vejdovskyella comata grandisetosa Finegenova, 1962 - 69015 F 141905 - 444307 234386 F 72712 Venerupis pullastra (Montagu, 1803) 146955 205647 106257 89587 111673 155524 1960 128539 52395 139903 72515 154006 - F 154008 - F 134230 Valkeria uva (Linnaeus, 1758) Halimedon parvimanus Norman, 1889; Westwoodea caecula (Bate, 1856); Westwoodea caeculus Bate, 1856; Westwoodia caecula Bate, 1857; Westwoodilla hyalina Bate, 1862; Oediceros parvimanus Bate and Westwood, 1862; Halimedon mulleri Sars, 1892; Westwoodilla acutifrons Enequist, 1949; 111676 206683 102932 94573 - 601853 107441 F 98838 - 129838 141971 140771 Chironomus xenolabis Kieffer, 1916 F Triaenodes griseus Banks, 1899 - - 603767 142002 F 79295 - 442878 81787 283420 F Orthocladius potamophila Chernovskij, 1949, Trissocladius mucronata Brundin, 1949 Pholas crispata Linnaeus, 1758 149 7.3 Distribution data for Baltic Sea benthic invertebrate species HELCOM Checklist for Baltic Sea Invertebrate Species Leptothecata Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Family Sertulariidae Abietinaria abietina X X X X X 2 Insecta Diptera Chironomidae Ablabesmyia longistyla 3 Insecta Diptera Chironomidae Ablabesmyia monilis X 4 Insecta Diptera Chironomidae Ablabesmyia phatta X Amphipoda Melitidae Abludomelita obtusata X 5 Malacostraca Semelidae Abra alba X X X X X X X Semelidae Abra nitida X X X Semelidae Abra prismatica X 9 Polychaeta Eunicida Lumbrineridae Abyssoninoe hibernica X 10 Polychaeta Eunicida Lumbrineridae Abyssoninoe scopa X 11 Bivalvia Euheterodonta incertae sedis Cardiidae Acanthocardia echinata X 12 Gastropoda Nudibranchia Onchidorididae Acanthodoris pilosa 13 Hydrozoa Anthoathecata Acaulidae Acaulis primarius 14 Insecta Lepidoptera Pyralidae Acentria ephemerella X X 7 Bivalvia 8 Bivalvia Malacos15 traca Amphipoda Lysianassidae s.l. Acidostoma nodiferum Malacostraca Amphipoda Lysianassidae s.l. Acidostoma obesum Coleoptera Dytiscidae Acilius canaliculatus 16 17 Insecta 18 Gastropoda 19 Gastropoda [unassigned] CaenogasAclididae tropoda [unassigned] CaenogasAclididae tropoda X X X X X X X X X X X X Aclis minor X Aclis walleri X Chironomidae Acricotopus lucens X Acroloxidae Acroloxus lacustris X 22 Gastropoda Cephalaspidea Acteonidae Acteon tornatilis 23 Anthozoa Actiniaria Actiniidae Actinia equina 24 Gastropoda Nudibranchia Onchidorididae Adalaria proxima Amphipoda Caprellidae Aeginina longicornis 26 Gastropoda Nudibranchia Aeolidiidae Aeolidia papillosa X 27 Gastropoda Nudibranchia Aeolidiidae Aeolidiella glauca X Naidomorpha Aeolosomatidae Aeolosoma hemprichi 29 Bivalvia Ostreoida Pectinidae Aequipecten opercularis 30 Insecta Odonata Aeshnidae Aeshna grandis 31 Insecta Odonata Aeshnidae Aeshna juncea 32 Insecta Odonata Aeshnidae Aeshna mixta 33 Insecta Odonata Aeshnidae Aeshna serrata X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Gymnolaemata Cheilostomatida Aeteidae Aetea anguina X X 35 Gymnolaemata Cheilostomatida Aeteidae Aetea sica X X 36 Gymnolaemata Cheilostomatida Aeteidae Aetea truncata X X 37 Insecta Coleoptera Dytiscidae Agabus bipustulatus 38 Insecta Coleoptera Dytiscidae Agabus sturmii 39 Polychaeta Phyllodocida Nephtyidae Aglaophamus agilis 40 Polychaeta Phyllodocida Nephtyidae Aglaophamus pulcher X 41 Insecta Trichoptera Hydroptilidae Agraylea multipunctata 42 Insecta Trichoptera Hydroptilidae Agraylea pallicornis 43 Insecta Trichoptera Hydroptilidae Agraylea sexmaculata Phryganeidae Agrypnetes crassicornis Trichoptera X X 34 44 Insecta X X Diptera Aphanoneura X X Basommatophora 28 X X X X X X 20 Insecta Malacostraca X X 21 Gastropoda 25 X X X X Euheterodonta incertae sedis Euheterodonta incertae sedis Euheterodonta incertae sedis 6 Bivalvia 150 Order Class No 1 Hydrozoa Valid Taxon Name A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species 45 Insecta Trichoptera Phryganeidae Agrypnia obsoleta 46 Insecta Trichoptera Phryganeidae Agrypnia pagetana 47 Insecta Trichoptera Phryganeidae Agrypnia varia Tanaidacea Paratanaoidea incertae sedis Akanthophoreus gracilis 48 Malacostraca Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X Aplysiomorpha Akeridae Akera bullata 50 Clitellata Haplotaxida Tubificidae 51 Clitellata Rhynchobdellida Glossiphoniidae 52 Clitellata Rhynchobdellida Glossiphoniidae 53 Clitellata Rhynchobdellida Glossiphoniidae Aktedrilus monospermathecus Alboglossiphonia heteroclita Alboglossiphonia hyalina Alboglossiphonia striata Gymnol54 aemata Ctenostomatida Alcyonidiidae Alcyonidium albidum X 55 Gymnolaemata Ctenostomatida Alcyonidiidae Alcyonidium diaphanum X X 56 Gymnolaemata Ctenostomatida Alcyonidiidae Alcyonidium gelatinosum X X 57 Gymnolaemata Ctenostomatida Alcyonidiidae Alcyonidium hirsutum X X 58 Gymnolaemata Ctenostomatida Alcyonidiidae Alcyonidium mamillatum X 59 Gymnolaemata Ctenostomatida Alcyonidiidae Alcyonidium parasiticum X 60 Gymnolaemata Ctenostomatida Alcyonidiidae Alcyonidium polyoum Alcyonacea Alcyoniidae Alcyonium digitatum X X 62 Anthozoa Alcyonacea Alcyoniidae Alcyonium glomeratum 63 Gastropoda Sacoglossa Stiligeridae Alderia modesta Gymnol64 aemata Cheilostomatida Calloporidae Alderina imbellis X X X X X X X X X X X X X X X X X X X 67 Polychaeta Terebellida Ampharetidae Alkmaria romijni X X X X X 68 Gastropoda Littorinimorpha Rissoidae Alvania subsoluta X 69 Gastropoda Littorinimorpha Rissoidae Alvania testae X Terebellida Terebellidae Amaeana trilobata X 71 Gastropoda Hypsogastropoda Naticidae Amauropsis islandica X X Malacos72 traca Amphipoda Ampeliscidae Ampelisca brevicornis X X X X X 73 Malacostraca Amphipoda Ampeliscidae Ampelisca diadema X X 74 Malacostraca Amphipoda Ampeliscidae Ampelisca macrocephala X X 75 Malacostraca Amphipoda Ampeliscidae Ampelisca spinipes X 76 Malacostraca Amphipoda Ampeliscidae Ampelisca tenuicornis X 77 Malacostraca Amphipoda Ampeliscidae Ampelisca typica 78 Polychaeta Terebellida Ampharetidae Ampharete acutifrons X X X X X X X X 79 Polychaeta Terebellida Ampharetidae Ampharete baltica X X X X X X X X 80 Polychaeta Terebellida Ampharetidae Ampharete falcata X 81 Polychaeta Terebellida Ampharetidae Ampharete finmarchica X X X X X X X X X X X X X X Amphiblestrum flemingii Haplotaxida Naididae Amphichaeta leydigi 84 Clitellata X X X X X X X X X X X X X X X X X X X X X X X X X X X X 70 Polychaeta Calloporidae X X X X X X X X X X X X X Alitta succinea Alitta virens Cheilostomatida X X X Nereididae Gymnolaemata X X Nereididae 83 X X X X Phyllodocida Calloporidae X X X Phyllodocida Cheilostomatida X X X X X 65 Polychaeta Amphiblestrum auritum X X X X X X X 66 Polychaeta Gymnol82 aemata X X 49 Gastropoda 61 Anthozoa X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 151 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name 85 Clitellata Haplotaxida Naididae Amphichaeta sannio 86 Polychaeta Terebellida Ampharetidae Amphicteis gunneri 87 Polychaeta Terebellida Ampharetidae Amphicteis midas 88 Polychaeta Terebellida Pectinariidae Amphictene auricoma X Demospon89 giae Poecilosclerida Esperiopsidae Amphilectus fucorum Demospongiae Poecilosclerida Esperiopsidae Amphilectus lobatus Ophiurida Amphilepididae Amphilepis norvegica X X X 90 91 Ophiuroidea X X X X X X X Malacostraca Amphipoda Amphilochidae Amphilochoides serratipes 94 Malacostraca Amphipoda Amphilochidae Amphilochus manudens 95 Ophiuroidea Ophiurida Amphiuridae Amphipholis squamata 96 Polychaeta Terebellida Terebellidae Amphitrite cirrata 97 Polychaeta Terebellida Terebellidae Amphitrite johnstoni 98 Ophiuroidea Ophiurida Amphiuridae Amphiura chiajei X X X 99 Ophiuroidea Ophiurida Amphiuridae Amphiura filiformis X X X X X Amphipoda Ampithoidae Ampithoe rubricata X X X X X X X X Trichoptera Limnephilidae Anabolia laevis X X X X X X X X X X Paguridae Anapagurus chiroacanthus X 103 Malacostraca Decapoda Paguridae Anapagurus laevis X 104 Gastropoda Nudibranchia Goniodorididae Ancula gibbosa 105 Gastropoda Basommatophora Planorbidae Ancylus fluviatilis 106 Gastropoda Basommatophora Planorbidae Anisus leucostoma 107 Gastropoda Basommatophora Planorbidae Anisus spirorbis 108 Gastropoda Basommatophora Planorbidae Anisus vortex X Basommatophora Planorbidae Anisus vorticulus Ampharetidae Anobothrus gracilis 111 Bivalvia Unionoida Unionidae Anodonta anatina 112 Bivalvia Unionoida Unionidae Anodonta cygnea Phoxichilidiidae Anoplodactylus petiolatus X Patellidae Ansates pellucida X X X Dentaliida Dentaliidae Antalis dentalis X Comatulida Antedonidae Antedon petasus X 117 Polychaeta Spionida Spionidae Aonides oxycephala X X X X X X X X X X X X X X X X X X X X X X X 118 Polychaeta Spionida Spionidae Malacos119 traca Amphipoda Aoridae Aora gracilis Malacostraca Amphipoda Aoridae Aora typica 121 Insecta Trichoptera Apataniidae Apatania stigmatella 122 Insecta Trichoptera Apataniidae Apatania wallengreni 123 Polychaeta Spionida Cirratulidae Aphelochaeta marioni X X X X X 124 Polychaeta Spionida Cirratulidae Aphelochaeta vivipara Apherusa bispinosa X X Aonides paucibranchiata Eusiridae X X X X 116 Crinoidea Amphipoda X X X 115 Scaphopoda Aphelocheiridae X X Terebellida Hemiptera X X X 109 Gastropoda Malacos126 traca X X X X 110 Polychaeta 125 Insecta X X X X X X Decapoda Aphelocheirus aestivalis X X Malacostraca 120 X X 102 Pantopoda X X 93 114 Gastropoda X X X X Amphilochidae 113 Pycnogonida X X X Amphipoda 101 Insecta X X X X X X Amphilochoides boecki Malacostraca X X X X X X X X Malacos92 traca 100 152 Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 127 Malacostraca Amphipoda Eusiridae Apherusa jurinei X 128 Malacostraca Amphipoda Eusiridae Apherusa ovalipes X 129 Polychaeta Phyllodocida Aphroditidae Aphrodita aculeata X 130 Polychaeta Spionida Apistobranchidae Apistobranchus tenuis X X X 131 Polychaeta Spionida Apistobranchidae Apistobranchus tullbergi 132 Ascidiacea Enterogona Polyclinidae Aplidium proliferum X 133 Gastropoda Anaspidea Aplysiidae Aplysia punctata X X X X X X X X Malacos134 traca Amphipoda Corophiidae Apocorophium lacustre 135 Gastropoda Hypsogastropoda Aporrhaidae Aporrhais pespelecani X X X X X X Malacos136 traca Tanaidacea Apseudidae Apseudes spinosus X 137 Gymnolaemata Ctenostomatida Arachnidiidae Arachnidium hippothooides X 138 Malacostraca Tanaidacea Tanaellidae Araphura brevimanus X X X X X 139 Clitellata Haplotaxida Tubificidae Arcteonais lomondi 140 Bivalvia Euheterodonta incertae sedis Arcticidae Arctica islandica X X X X X X X 141 Polychaeta Capitellida Arenicolidae Arenicola marina X X X X X X X 142 Insecta Hemiptera Coreidae Arenocoris fallenii Malacos143 traca Amphipoda Argissidae Argissa hamatipes 144 Maxillopoda Arguloidea Argulidae Argulus foliaceus 145 Arachnida Araneae Cybaeidae Argyroneta aquatica 146 Polychaeta Orbiniida Paraonidae 147 Polychaeta Orbiniida Paraonidae Aricidea (Acmira) catherinae Aricidea (Acmira) cerrutii 148 Polychaeta Orbiniida Paraonidae Aricidea minuta X X X X X X X X 149 Polychaeta Orbiniida Paraonidae Aricidea suecica X X X X X X X 150 Gastropoda Basommatophora Planorbidae Armiger crista 151 Gastropoda Nudibranchia Arminidae Armina loveni X Malacos152 traca Amphipoda Oedicerotidae Arrhis phyllonyx X 153 Polychaeta Terebellida Terebellidae Artacama proboscidea X X 154 Ascidiacea Enterogona Ascidiidae Ascidia conchilega X 155 Ascidiacea Enterogona Ascidiidae Ascidia mentula X 156 Ascidiacea Enterogona Ascidiidae Ascidia obliqua X 157 Ascidiacea Enterogona Ascidiidae Ascidia virginea X 158 Ascidiacea Enterogona Ascidiidae Ascidiella aspersa X X 159 Ascidiacea Enterogona Ascidiidae Ascidiella scabra X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Malacos160 traca Isopoda Asellidae Asellus (Asellus) aquaticus 161 Malacostraca Isopoda Arcturidae Astacilla dilatata X 162 Malacostraca Isopoda Arcturidae Astacilla intermedia X 163 Malacostraca Isopoda Arcturidae Astacilla longicornis X 164 Bivalvia Veneroida Astartidae Astarte borealis X X X X X X X X X X X X X X 165 Bivalvia Veneroida Astartidae Astarte elliptica X X X X X X X X X X X X X 166 Bivalvia Veneroida Astartidae Astarte montagui X X X X X X X X X 167 Bivalvia Veneroida Astartidae Astarte sulcata X X X X 168 Asteroidea Forcipulatida Asteriidae Asterias rubens X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 153 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family 169 Asteroidea Paxillosida Astropectinidae Astropecten irregularis X 170 Polychaeta Capitellida Maldanidae Asychis biceps X X 171 Malacostraca Decapoda Atelecyclidae Atelecyclus rotundatus X 172 Malacostraca Decapoda Alpheidae Athanas nitescens X X Trichoptera Leptoceridae Athripsodes cinereus Decapoda Pandalidae Atlantopandalus propinqvus 173 Insecta Malacos174 traca 175 Malacostraca Amphipoda Atylidae Atylus swammerdami 176 Malacostraca Amphipoda Atylidae Atylus vedlomensis X X X X X X X X X X X 177 Clitellata Haplotaxida Tubificidae Aulodrilus japonicus X Haplotaxida Tubificidae Aulodrilus limnobius X 179 Clitellata Haplotaxida Tubificidae Aulodrilus pigueti X Malacos180 traca Amphipoda Aoridae Autonoe longipes X X X X X 181 Demospongiae Halichondrida Axinellidae Axinella infundibuliformis X 182 Demospongiae Halichondrida Axinellidae Axinella rugosa X 183 Insecta Ephemeroptera Baetidae Baetis rhodani 184 Maxillopoda Sessilia Balanidae Balanus balanus X X X X 185 Maxillopoda Sessilia Balanidae Balanus crenatus X X X X X X X X 186 Maxillopoda Sessilia Balanidae Balanus improvisus X X Rhabdocoela Karkinorhynchidae Baltoplana magna 188 Coloniales Barentsiidae Barentsia gracilis 189 Bivalvia Euheterodonta incertae sedis Pholadidae Barnea candida Amphipoda Oedicerotidae Bathymedon longimanus 190 Rhabditophora Malacostraca X X X X X X X X X X X X X Basommatophora Planorbidae Amphipoda Pontoporeiidae Bathyporeia elegans X 193 Malacostraca Amphipoda Pontoporeiidae Bathyporeia gracilis X 194 Malacostraca Amphipoda Pontoporeiidae Bathyporeia guilliamsoniana X X X X X X 195 Malacostraca Amphipoda Pontoporeiidae Bathyporeia pelagica X 196 Malacostraca Amphipoda Pontoporeiidae Bathyporeia pilosa X X X X X X X X 197 Malacostraca Amphipoda Pontoporeiidae Bathyporeia sarsi X 198 Malacostraca Amphipoda Pontoporeiidae Bathyporeia tenuipes X Rhynchobdellida Glossiphoniidae Batracobdelloides moogi Seriata Dendrocoelidae Bdellocephala punctata Cheilostomatida Beaniidae Beania mirabilis X 202 Gastropoda Neogastropoda Conidae Bela brachystoma X 203 Gastropoda Neogastropoda Conidae Bela nebula X 204 Gastropoda Neogastropoda Conidae Bela powisiana X 205 Insecta Diptera Ceratopogonidae Bezzia hydrophila Gymnol206 aemata Cheilostomatida Bugulidae Bicellariella ciliata Gymnolaemata X X X X Malacos192 traca 201 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 191 Gastropoda Rhabdi200 tophora X X Bathyomphalus contortus 199 Clitellata X X X X 178 Clitellata 187 154 Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species 207 Insecta Coleoptera Dytiscidae Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X Bidessus unistriatus 208 Gastropoda Hypsogastropoda Bithyniidae Bithynia leachii 209 Gastropoda Hypsogastropoda Bithyniidae Bithynia tentaculata X X X X X X X X X X X X X X X X X X X X X X X X X X X X 210 Gastropoda Hypsogastropoda Bithyniidae Bithynia troschelii 211 Gastropoda Sorbeoconcha Cerithiidae Bittium reticulatum 212 Polychaeta Spionida Spionidae Boccardia redeki 213 Polychaeta Spionida Spionidae Boccardiella ligerica Malacos214 traca Cumacea Bodotriidae Bodotria scorpioides X X 215 Gastropoda Hypsogastropoda Muricidae Boreotrophon truncatus X X 216 Gastropoda Allogastropoda Valvatidae Borysthenia naticina Rhabdi217 tophora Seriata Otoplanidae Bothriomolus balticus Tubificidae Bothrioneurum vejdovskyanum X Typhloplanidae Bothromesostoma personatum X 220 Ascidiacea Styelidae Botrylloides leachii X 221 Ascidiacea Styelidae Botryllus schlosseri X X 218 Clitellata Rhabdi219 tophora Haplotaxida Neorhabdocoela X X X X X X X X Anthoathecata Bougainvilliidae 223 Hydrozoa Anthoathecata Bougainvilliidae Bougainvillia muscus X X X X X Gymnol224 aemata Ctenostomatida Vesiculariidae Bowerbankia gracilis X X X X X Gymnolaemata Ctenostomatida Vesiculariidae Bowerbankia imbricata X X X X 226 Insecta Odonata Aeshnidae Brachytron pratense 227 Polychaeta Flabelligerida Flabelligeridae Brada inhabilis X X X X X X X X X X X X X Flabelligerida Flabelligeridae Brada villosa Sabellida Sabellidae Branchiomma bombyx X X X 222 Hydrozoa 229 Polychaeta X X X 228 Polychaeta X X X X Bougainvillia britannica 225 X X X X X X X Branchiostomidae Branchiostoma lanceolatum 231 Clitellata Haplotaxida Tubificidae Branchiura sowerbyi 232 Echinoidea Spatangoida Brissidae Brissopsis lyrifera X X 233 Gastropoda Hypsogastropoda Buccinidae Buccinum undatum X X X X X X X Gymnol234 aemata Cheilostomatida Bugulidae Bugula plumosa 235 Gymnolaemata Cheilostomatida Bugulidae Bugula purporotincta 236 Gymnolaemata Ctenostomatida Victorellidae Bulbella abscondita 237 Gymnolaemata Ctenostomatida Celleporidae Buskea nitida X 238 Malacostraca Amphipoda Ampeliscidae Byblis abyssi X 239 Malacostraca Amphipoda Ampeliscidae Byblis gaimardii X 240 Polychaeta Phyllodocida Polynoidae Bylgides sarsi X X X X X X X X X X X X X X X X X 241 Gastropoda Nudibranchia Chromodorididae Cadlina laevis 242 Insecta Ephemeroptera Caenidae Caenis horaria X X X X X X 243 Insecta Ephemeroptera Caenidae Caenis lactea X X X 244 Insecta Ephemeroptera Caenidae Caenis macrura 245 Insecta Ephemeroptera Caenidae Caenis robusta Decapoda Callianassidae Callianassa subterranea 230 Leptocardii 246 Malacostraca 247 Insecta Hemiptera Corixidae Callicorixa praeusta 248 Gastropoda Sacoglossa Stiligeridae Calliopaea bellula X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 155 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name 249 Malacostraca Amphipoda Calliopiidae Calliopius laeviusculus X X 250 Malacostraca Amphipoda Calliopiidae Calliopius rathkii X 251 Pycnogonida Pantopoda Callipallenidae Callipallene brevirostris X X X X 252 Polyplacophora Chitonida Callochitonidae Callochiton septemvalvis X 253 Gymnolaemata Cheilostomatida Calloporidae Callopora craticula X 254 Gymnolaemata Cheilostomatida Calloporidae Callopora dumerilii X 255 Gymnolaemata Cheilostomatida Calloporidae Callopora lineata X X 256 Malacostraca Decapoda Calocarididae Calocaris macandreae X 257 Hydrozoa Leptothecata Campanulinidae Calycella syringa Malacos258 traca Cumacea Nannastacidae Campylaspis costata X 259 Malacostraca Cumacea Nannastacidae Campylaspis glabra X 260 Malacostraca Cumacea Nannastacidae Campylaspis rubicunda X 261 Malacostraca Decapoda Cancridae 262 Polychaeta Capitellida 263 Polychaeta Capitellida 264 Polychaeta X X X X X X X X X X X X X X X X X Cancer pagurus X Capitellidae Capitella capitata X X X X X X X X X Capitellidae Capitellides giardi Capitellidae Capitomastus minima X Amphipoda Caprellidae Caprella septentrionalis X X X X X X 267 Gastropoda Hypsogastropoda Capulidae Capulus ungaricus X Malacos268 traca Decapoda Portunidae Carcinus maenas X X X X X X X 269 Anthozoa Scleractinia Caryophylliidae Caryophyllia smithii X 270 Clitellata Rhynchobdellida Piscicolidae Caspiobdella fadejewi 271 Polychaeta Spionida Cirratulidae Caulleriella killariensis X X Gymnolaemata Cheilostomatida Cellariidae Cellaria fistulosa X 273 Gymnolaemata Cheilostomatida Cellariidae Cellaria sinuosa X 274 Gymnolaemata Cheilostomatida Hippothoidae Celleporella hyalina X 275 Gymnolaemata Cheilostomatida Celleporidae Celleporina decipiens X X X X X X X X X 279 Insecta Trichoptera Leptoceridae Ceraclea fulva X 280 Insecta Trichoptera Leptoceridae Ceraclea nigronervosa X 281 Insecta Trichoptera Leptoceridae Ceraclea senilis X Cardiidae Cerastoderma edule X X X X X X X X X X X X X X X X X X X X X X X X X X Cardiidae Cerastoderma glaucum 284 Polychaeta Phyllodocida Nereididae Ceratocephale loveni X 285 Anthozoa Ceriantharia Cerianthidae Cerianthus lloydii X X Enchytraeidae Cernosvitoviella immota Haplotaxida X X X X Ceraclea annulicornis 286 Clitellata X X X X X X X X X Leptoceridae 283 Bivalvia X X Trichoptera Euheterodonta incertae sedis Euheterodonta incertae sedis X X X X 278 Insecta 282 Bivalvia X X X 272 Cephalothrix linearis X X Malacostraca Baetidae X X X X X X X X X X Cephalothricidae X X X X Caprella linearis Ephemeroptera X X X X Caprellidae 277 Anopla X X X X X X X X Amphipoda 276 Insecta X X X Centroptilum luteolum X X X X Malacos265 traca 266 156 Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Caudofoveata Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution Chaetodermatida Chaetodermatidae Chaetoderma nitidulum 288 Clitellata Haplotaxida Naididae 289 Clitellata Haplotaxida Naididae Chaetogaster diaphanus Chaetogaster diastrophus 290 Clitellata Haplotaxida Naididae Chaetogaster langi 291 Clitellata Haplotaxida Naididae Chaetogaster limnaei 292 Clitellata Haplotaxida Naididae Chaetogaster setosus 293 Polychaeta Spionida Chaetopteridae 294 Polychaeta Spionida Cirratulidae Chaetopterus variopedatus Chaetozone caputesocis 295 Polychaeta Spionida Cirratulidae Chaetozone christiei 296 Polychaeta Spionida Cirratulidae Chaetozone setosa Haplosclerida Chalinidae Chalinula limbata X Veneridae Chamelea gallina X X X X X X 287 Demospon297 giae 298 Bivalvia 299 Bivalvia Euheterodonta incertae sedis Euheterodonta incertae sedis X X X X X X X X X X X X Cheilostomatida Flustridae Chartella barleei 302 Insecta Diptera Limoniidae Cheilotrichia cinerascens Malacos303 traca Amphipoda Cheirocratidae Cheirocratus assimilis X 304 Malacostraca Amphipoda Cheirocratidae Cheirocratus intermedius X X 305 Malacostraca Amphipoda Melitidae Cheirocratus sundevalli X X X X X X X 306 Malacostraca Amphipoda Corophiidae Chelicorophium curvispinum Sessilia Archeobalanidae Chirona hameri Diptera Chironomidae Chironomus agilis Diptera Chironomidae 311 Insecta Diptera Chironomidae Chironomus annularius Chironomus anthracinus 312 Insecta Diptera Chironomidae Chironomus aprilinus 313 Insecta Diptera Chironomidae 314 Insecta Diptera Chironomidae Chironomus balatonicus Chironomus cingulatus 315 Insecta Diptera Chironomidae Chironomus dorsalis X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Chironomidae Diptera Chironomidae Chironomus neocorax 318 Insecta Diptera Chironomidae Chironomus pallidivittatus 319 Insecta Diptera Chironomidae Chironomus plumosus 320 Insecta Diptera Chironomidae Chironomus reductus 321 Insecta Diptera Chironomidae Chironomus salinarius 322 Insecta Diptera Chironomidae Chironomus semireductus 323 Insecta Diptera Chironomidae Chironomus thummi 324 Polychaeta Sabellida Sabellidae Chone duneri X X X X 325 Polychaeta Sabellida Sabellidae Chone infundibuliformis X Cheilostomatida Chorizoporidae Chorizopora brongniartii X Pyramidellidae Chrysallida interstincta X Pyramidellidae Chrysallida pellucida X Allogastropoda X X Diptera 328 Gastropoda X X 317 Insecta 327 Gastropoda X X 316 Insecta Gymnolaemata X X X Chironomus halophilus 326 X X Gymnol301 aemata 310 Insecta X X Chaoborus flavicans 309 Insecta X X X X X X X X Chamelea striatula Chironomidae X X X Chaoboridae Diptera X X Veneridae 308 Insecta X X Diptera Chironomus (Camptochironomus) tentans X X X 300 Insecta 307 Maxillopoda X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 157 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name 329 Ascidiacea Enterogona Cionidae Ciona intestinalis 330 Polychaeta Spionida Cirratulidae Cirratulus cirratus X X X X 331 Polychaeta Spionida Cirratulidae Cirratulus filiformis X 332 Polychaeta Terebellida Cirratulidae Cirriformia tentaculata X 333 Insecta Diptera Chironomidae Cladopelma edwardsi 334 Insecta Diptera Chironomidae Cladopelma lateralis 335 Insecta Diptera Chironomidae Cladopelma virescens X 336 Insecta Diptera Chironomidae Cladopelma viridula X 337 Insecta Diptera Chironomidae Cladotanytarsus atridorsum Cladotanytarsus mancus X X X X X X Diptera Chironomidae Euheterodonta incertae sedis Veneridae Clausinella fasciata X 340 Hydrozoa Anthoathecata Clava multicornis X X Clelandella miliaris X Chironomidae Clinotanypus nervosus Hadromerida Clionaidae Cliona celata 344 Clitellata Haplotaxida Tubificidae Clitellio arenarius 345 Insecta Ephemeroptera Baetidae Cloeon dipterum X X X X X X X X X X X X X X Baetidae Cloeon simile Chironomidae Clunio balticus X 348 Insecta Diptera Chironomidae Clunio marinus X X X 349 Hydrozoa Leptothecata Campanulariidae Clytia gracilis X 350 Hydrozoa Leptothecata Campanulariidae Clytia hemisphaerica X X X X X 351 Bivalvia Anomalodesmata Periplomatidae Cochlodesma praetenue X X X X X Coelogynoporidae Coelogynopora biarmata 353 Rhabditophora Seriata Coelogynoporidae Coelogynopora schulzii 354 Insecta Odonata Coenagrionidae Coenagrion armatum X 355 Insecta Odonata Coenagrionidae Coenagrion hastulatum X 356 Insecta Odonata Coenagrionidae Coenagrion lunulatum 357 Insecta Odonata Coenagrionidae Coenagrion puella X 358 Insecta Odonata Coenagrionidae Coenagrion pulchellum X 359 Clitellata Haplotaxida Enchytraeidae Cognettia glandulosa 360 Clitellata Haplotaxida Enchytraeidae Cognettia sphagnetorum 361 Gastropoda Cephalaspidea Diaphanidae Colpodaspis pusilla X 362 Gastropoda Hypsogastropoda Buccinidae Colus islandicus X 363 Gastropoda Hypsogastropoda Buccinidae Colus jeffreysianus X 364 Polychaeta Phyllodocida Sphaerodoridae Commensodorum commensalis X Gymnol365 aemata Cheilostomatida Electridae Conopeum reticulum Gymnolaemata Cheilostomatida Electridae Conopeum seurati X X X X X X X X 368 Bivalvia Corbulidae Corbula gibba Odonata Corduliidae Cordulia aenea 370 Hydrozoa Anthoathecata Cordylophoridae Cordylophora caspia 371 Ascidiacea Enterogona Corellidae Corella parallelogramma Corophiidae Corophium acherusicum Malacos372 traca Amphipoda X X Seriata 369 Insecta X X X Rhabditophora Halacaridae X X X 352 Euheterodonta incertae sedis X X X Ephemeroptera Acarina X X X X X Diptera 367 Arachnida X X 347 Insecta Copidognathus fabricii X X X X X 346 Insecta 366 X X X X Hydractiniidae Diptera X X X X X Trochidae Demospon343 giae X X 339 Bivalvia 342 Insecta X X X X 338 Insecta 341 Gastropoda 158 Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 373 Malacostraca Amphipoda Corophiidae Corophium arenarium X X 374 Malacostraca Amphipoda Corophiidae Corophium multisetosum 375 Malacostraca Amphipoda Corophiidae Corophium volutator X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 376 Hydrozoa Anthoathecata Corymorphidae Corymorpha nutans X X 377 Hydrozoa Anthoathecata Corymorphidae Corymorpha sarsii 378 Insecta Diptera Chironomidae Corynoneura carriana X 379 Insecta Diptera Chironomidae Corynoneura celeripes X X X X X X X X X X X X 380 Insecta Diptera Chironomidae Corynoneura scutellata 381 Gastropoda Nudibranchia Flabellinidae Coryphella lineata Decapoda Corystidae Corystes cassivelaunus X 383 Polychaeta Cossurida Cossuridae Cossura longocirrata X Malacos384 traca Decapoda Crangonidae Crangon allmanni X 385 Malacostraca Decapoda Crangonidae Crangon crangon X X X X X X X X X X X X X X 386 Malacostraca Amphipoda Corophiidae Crassicorophium bonellii X 387 Malacostraca Amphipoda Corophiidae Crassicorophium crassicorne X X X X X X X X 382 Malacostraca X X X X X X X X X X X X X X X X X X X X 388 Bivalvia Mytiloida Mytilidae Crenella decussata X X X X 389 Gastropoda Hypsogastropoda Calyptraeidae Crepidula fornicata X X X X X X X X X 390 Gymnolaemata Cheilostomatida Cribrilinidae Cribrilina cryptooecium 391 Gymnolaemata Cheilostomatida Cribrilinidae Cribrilina punctata 392 Insecta Diptera Chironomidae Cricotopus albiforceps 393 Insecta Diptera Chironomidae Cricotopus algarum 394 Insecta Diptera Chironomidae Cricotopus bicinctus X 395 Insecta Diptera Chironomidae Cricotopus festivellus X 396 Insecta Diptera Chironomidae Cricotopus flavocinctus X 397 Insecta Diptera Chironomidae Cricotopus fuscus X 398 Insecta Diptera Chironomidae Cricotopus intersectus X 399 Insecta Diptera Chironomidae Cricotopus ornatus 400 Insecta Diptera Chironomidae Cricotopus pilosellus X 401 Insecta Diptera Chironomidae Cricotopus sylvestris X 402 Insecta Diptera Chironomidae Cricotopus trifascia X 403 Clitellata Haplotaxida Glossoscolecidae Criodrilus lacuum Stenol404 aemata Cyclostomatida Crisiidae Crisia aculeata X 405 Stenolaemata Cyclostomatida Crisiidae Crisia calyptostoma X 406 Stenolaemata Cyclostomatida Crisiidae Crisia denticulata 407 Stenolaemata Cyclostomatida Crisiidae Crisia eburnea X 408 Stenolaemata Cyclostomatida Crisiidae Crisia klugei X 409 Stenolaemata Cyclostomatida Crisiidae Crisidia cornuta X 410 Stenolaemata Cyclostomatida Crisiidae Crisiella producta X Littorinimorpha Rissoidae Crisilla semistriata 411 Gastropoda X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 159 HELCOM Checklist for Baltic Sea Invertebrate Species 412 Stenolaemata 413 Asteroidea Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Plumatellida Cristatellidae Cristatella mucedo X Velatida Solasteridae Crossaster papposus X Cryptochironomus camptolabis Cryptochironomus defectus Cryptochironomus monstrosus Cryptochironomus obreptans Cryptochironomus redekei Cryptochironomus rolli Cryptochironomus supplicans Cryptochironomus tshernovskii Cryptochironomus ussouriensis X X X X X 414 Insecta Diptera Chironomidae 415 Insecta Diptera Chironomidae 416 Insecta Diptera Chironomidae 417 Insecta Diptera Chironomidae 418 Insecta Diptera Chironomidae 419 Insecta Diptera Chironomidae 420 Insecta Diptera Chironomidae 421 Insecta Diptera Chironomidae 422 Insecta Diptera Chironomidae 423 Gastropoda Hypsogastropoda Naticidae Cryptonatica affinis Gymnol424 aemata Cheilostomatida Cryptosulidae Cryptosula pallasiana Cumacea Nannastacidae Cumella (Cumella) pygmaea 426 Gastropoda Neogastropoda Conidae 427 Gastropoda [unassigned] CaenogasEulimidae tropoda Curveulima devians X 428 Bivalvia Anomalodesmata Cuspidariidae Cuspidaria cuspidata X 429 Bivalvia Anomalodesmata Cuspidariidae Cuspidaria obesa X 430 Enopla Hoplonemertea Tetrastemmatidae Cyanophthalma obscura Malacos431 traca Isopoda Anthuridae Cyathura carinata X X X X X X X X 432 Gastropoda Cephalaspidea Cylichnidae Cylichna alba X 433 Gastropoda Cephalaspidea Cylichnidae Cylichna cylindracea X X X X X 434 Gastropoda Cephalaspidea Retusidae Cylichnina umbilicata X X 435 Insecta Hemiptera Corixidae Cymatia coleoptrata 436 Insecta Trichoptera Polycentropidae Cyrnus crenaticornis 425 Malacostraca X X X X X X X X X X Curtitoma trevelliana X X X X X X X X X X X X X X X X X X X X X X X X X Cyrnus flavidus X X 439 Clitellata Rhynchobdellida Piscicolidae 440 Clitellata Rhynchobdellida Cystobranchus fasciatus Cystobranchus pawlowskii Amphipoda Oedicerotidae Deflexilodes tenuirostratus 443 Insecta Diptera Chironomidae Demeijerea rufipes X 444 Insecta Diptera Chironomidae Demicryptochironomus vulneratus X Seriata Dendrocoelidae Dendrocoelum lacteum Styelidae Dendrodoa grossularia Dendronotus frondosus Dendronotidae 448 Clitellata Haplotaxida Tubificidae Dero digitata Malacos449 traca Amphipoda Talitridae Deshayesorchestia deshayesii Malacostraca Amphipoda Dexaminidae Dexamine spinosa 451 Anthozoa Actiniaria Diadumenidae Diadumene cincta 452 Gastropoda Cephalaspidea Diaphanidae Malacos453 traca Cumacea Diastylidae 450 X X X X X Dasybranchus caducus X Nudibranchia X X X X X Capitellidae 447 Gastropoda X X Cyrnus trimaculatus 446 Ascidiacea X X X X X X Polycentropodidae Rhabditophora X X Polycentropodidae 445 X X Trichoptera Malacostraca X X Trichoptera 442 X X X 437 Insecta Piscicolidae X X 438 Insecta 441 Polychaeta 160 Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Diaphana minuta X X X X X X Diastylis boecki X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 454 Malacostraca Cumacea Diastylidae Diastylis bradyi X X X 455 Malacostraca Cumacea Diastylidae Diastylis cornuta X 456 Malacostraca Cumacea Diastylidae Diastylis goodsiri X 457 Malacostraca Cumacea Diastylidae Diastylis laevis X X X 458 Malacostraca Cumacea Diastylidae Diastylis lucifera X X X 459 Malacostraca Cumacea Diastylidae Diastylis rathkei X X X X X X X X X X X 460 Malacostraca Cumacea Diastylidae Diastylis rostrata X 461 Malacostraca Cumacea Diastylidae Diastylis rugosa X 462 Malacostraca Cumacea Diastylidae Diastylis tumida X X X 463 Malacostraca Cumacea Diastylidae Diastyloides biplicatus X X 464 Malacostraca Cumacea Diastylidae Diastyloides serratus X X 465 Malacostraca Decapoda Pandalidae Dichelopandalus bonnieri X 466 Hydrozoa Anthoathecata Bougainvilliidae Dicoryne conferta X 467 Insecta Diptera Chironomidae Dicrotendipes lobiger 468 Insecta Diptera Chironomidae Dicrotendipes nervosus X X X 469 Insecta Diptera Chironomidae Dicrotendipes pulsus X X X X 470 Insecta Diptera Chironomidae Dicrotendipes tritomus X X X Malacos471 traca Amphipoda Gammaridae Dikerogammarus haemobaphes Malacostraca Amphipoda Gammaridae Dikerogammarus villosus 472 X X X X X X X X X X X X X X X 473 Clitellata Arhynchobdellida Erpobdellidae Dina apathyi 474 Clitellata Arhynchobdellida Erpobdellidae Dina lineata 475 Polychaeta Flabelligerida Flabelligeridae Diplocirrus glaucus X X Cyclostomatida Diastoporidae Diplosolen obelia X 477 Ascidiacea Enterogona Didemnidae Diplosoma listerianum 478 Polychaeta Spionida Spionidae Dipolydora caulleryi X X X X X X X X 479 Polychaeta Spionida Spionidae Dipolydora coeca X X X X X X X X X 480 Polychaeta Spionida Spionidae Dipolydora giardi X 481 Polychaeta Spionida Spionidae Dipolydora quadrilobata X X X X X X X X X X X 482 Hydrozoa Anthoathecata Corynidae Dipurena spongicola Rhabdi483 tophora Polycladida Plehniidae Discocelides langi X Cyclostomatida Lichenoporidae Disporella hispida X 485 Polychaeta Spionida Cirratulidae Dodecaceria concharum X 486 Bivalvia Veneroida Donacidae Donax vittatus X 487 Gastropoda Nudibranchia 476 484 Stenolaemata Stenolaemata 488 Bivalvia 489 Bivalvia 490 Gastropoda 491 Bivalvia 492 Bivalvia Euheterodonta incertae sedis Euheterodonta incertae sedis Nudibranchia Euheterodonta incertae sedis Euheterodonta incertae sedis X Dosinia exoleta X Veneridae Dosinia lupinus X Dotidae Doto coronata X X Dreissena bugensis X X X X X X X X X X X X X Doris pseudoargus Dreissena polymorpha X X Dorididae Dreissenidae X X X X Veneridae Dreissenidae X X X X X X X X X X X X X X X X X X 161 HELCOM Checklist for Baltic Sea Invertebrate Species 493 Insecta Caenidae Drunella walkeri Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Ephemeroptera X 494 Rhabditophora Seriata Planariidae Dugesia lugubris 495 Rhabditophora Tricladida Planariidae Dugesia polychroa 496 Malacostraca Amphipoda Dulichiidae Dulichia falcata 497 Malacostraca Amphipoda Dulichiidae Dulichia tuberculata Leptothecata Sertulariidae Dynamena pumila X X X X X X X X X X X X 498 Hydrozoa Malacos499 traca Amphipoda Dulichiidae Dyopedos monacantha Malacostraca Amphipoda Dulichiidae Dyopedos porrectus 501 Insecta Coleoptera Dytiscidae Dytiscus circumcinctus 502 Insecta Coleoptera Dytiscidae Dytiscus marginalis 503 Gastropoda Heterobranchia incertae Ebalidae sedis Ebala nitidissima 500 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 504 Malacostraca Decapoda Leucosiidae Ebalia cranchii X 505 Malacostraca Decapoda Leucosiidae Ebalia granulosa X 506 Malacostraca Decapoda Leucosiidae Ebalia tuberosa X 507 Malacostraca Decapoda Leucosiidae Ebalia tumefacta X 508 Echinoidea Spatangoida Loveniidae X X X X 509 Echinoidea Spatangoida Loveniidae X X 510 Echinoidea Spatangoida Loveniidae Echinocardium cordatum Echinocardium flavescens Echinocardium pennatifidum Holo511 thuroidea Dactylochirotida Ypsilothuriidae Echinocucumis hispida X 512 Echinoidea Clypeasteroida Fibulariidae Echinocyamus pusillus X X X X X X X X X Malacos513 traca Amphipoda Gammaridae Echinogammarus ischnus 514 Malacostraca Amphipoda Gammaridae Echinogammarus marinus 515 Malacostraca Amphipoda Gammaridae Echinogammarus stoerensis 516 Malacostraca Amphipoda Gammaridae Echinogammarus warpachowskyi 517 Malacostraca Isopoda Munnopsidae Echinozone coronata X X Echinoida Echinidae Echinus esculentus X X X X 518 Echinoidea 162 Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X 519 Echiuroidea Echiurida Echiuridae Echiurus echiurus 520 Insecta Trichoptera Ecnomidae Ecnomus tenellus 521 Gastropoda Hypsogastropoda Hydrobiidae Ecrobia ventrosa X X X X X X X X X X X X X X X X X X X X X X 522 Hydrozoa Anthoathecata Tubulariidae Ectopleura larynx X 523 Anthozoa Actiniaria Edwardsiidae Edwardsia danica X X X X X X X 524 Anthozoa Actiniaria Edwardsiidae Edwardsia longicornis X X 525 Anthozoa Actiniaria Edwardsiidae Edwardsia tuberculata X 526 Anthozoa Actiniaria Edwardsiidae Edwardsiella carnea 527 Insecta Diptera Chironomidae Einfeldia carbonaria Gymnol528 aemata Cheilostomatida Electridae Einhornia crustulenta 529 Clitellata Opisthopora Lumbricidae Eiseniella tetraedra Holo530 thuroidea Dendrochirotida Phyllophoridae Ekmania barthii X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species 531 Gymnolaemata Cheilostomatida Electridae Electra pilosa Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X 532 Insecta Lepidoptera Pyralidae Elophila nymphaeata 533 Gastropoda Sacoglossa Elysiidae Elysia viridis 534 Gastropoda Fissurellidae Emarginula crassa X 535 Gastropoda Fissurellidae Emarginula fissura X X Odonata Coenagrionidae Enallagma cyathigerum 537 Clitellata Haplotaxida Enchytraeidae Enchytraeus albidus 538 Pycnogonida Pantopoda Endeidae Endeis spinosa 539 Insecta Diptera Chironomidae 540 Insecta Diptera Chironomidae 541 Insecta Diptera Chironomidae 542 Insecta Diptera Chironomidae Endochironomus albipennis Endochironomus dispar Endochironomus stackelbergi Endochironomus tendens 543 Polychaeta Phyllodocida Polynoidae Enipo elisabethae 544 Polychaeta Phyllodocida Polynoidae Enipo kinbergi X X 545 Bivalvia Nuculoida Nuculidae Ennucula tenuis X X X X 546 Insecta Coleoptera Hydrophilidae Enochrus fuscipennis Hydrophilidae Enochrus melanicephalus Pharidae Ensis directus 548 Bivalvia 549 Bivalvia 550 Bivalvia Coleoptera [unassigned] Euheterodonta [unassigned] Euheterodonta [unassigned] Euheterodonta Ephemera vulgata 554 Insecta Ephemeroptera Ephemerellidae Ephemerella mucronata 555 Polychaeta Phyllodocida Sphaerodoridae Ephesiella abyssorum 556 Insecta Ephemeroptera Polymitarcyidae Ephoron virgo Demospon557 giae Haplosclerida Spongillidae Ephydatia fluviatilis Demospongiae Haplosclerida Spongillidae Ephydatia muelleri 559 Insecta Diptera Ephydridae Ephydra riparia Malacos560 traca Amphipoda Epimeriidae Epimeria cornigera X X X X X X X X X X X Ephemera danica X X X Ephemeridae X X X X X Ephemeridae X X X X X X Ephemeroptera X X X X X X X Epitheca bimaculata Epitonium clathratulum X 563 Gastropoda Hypsogastropoda Epitoniidae Epitonium clathrus X X 564 Gastropoda Caenogastropoda incertae sedis Epitoniidae Epitonium trevelyanum X X 565 Gastropoda Hypsogastropoda Epitoniidae Epitonium turtonis X X Malacos566 traca Amphipoda Ischyroceridae Ericthonius difformis X X X X X X Malacostraca Amphipoda Ischyroceridae Ericthonius punctatus X X X X X X X X Decapoda Grapsidae Eriocheir sinensis Amphipoda Melitidae Eriopisa elongata 571 Insecta Trichoptera Leptoceridae Erotesis baltica 572 Clitellata Arhynchobdellida Erpobdellidae Erpobdella monostriata 570 Malacostraca X X Corduliidae Syllidae X X X X X Epitoniidae Phyllodocida X X Odonata Malacos569 traca X X X X X Caenogastropoda incertae sedis 568 Polychaeta X X 562 Gastropoda Erinaceusyllis erinaceus X X 561 Insecta 567 X X X X X X X X X Ephemeroptera X X X 553 Insecta X X X X X X X X 552 Insecta X X X X X Ensis ensis Entalophoroecia deflexa X X Ensis siliqua Diaperoeciidae 558 X X Pharidae Cyclostomatida X X X Pharidae Stenolaemata 551 X X X X 536 Insecta 547 Insecta X X X X X X X X X X X X X X X X X X X X X X X X X X X 163 HELCOM Checklist for Baltic Sea Invertebrate Species Arhynchobdellida Erpobdellidae Erpobdella nigricollis 574 Clitellata Arhynchobdellida Erpobdellidae Erpobdella octoculata 575 Clitellata Arhynchobdellida Erpobdellidae Erpobdella testacea 576 Insecta Odonata Coenagrionidae Erythromma najas Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name 573 Clitellata X X X X X X 577 Malacostraca Mysida Mysidae Erythrops elegans X 578 Malacostraca Mysida Mysidae Erythrops erythrophthalma X 579 Malacostraca Mysida Mysidae Erythrops serrata X 580 Gymnolaemata Cheilostomatida Romancheinidae Escharella immersa X 581 Gymnolaemata Cheilostomatida Romancheinidae Escharella laqueata X 582 Gymnolaemata Cheilostomatida Romancheinidae Escharella ventricosa X 583 Gymnolaemata Cheilostomatida Escharinidae Escharina vulgaris X 584 Polychaeta Phyllodocida Phyllodocidae Eteone barbata X X X X X X X 585 Polychaeta Phyllodocida Phyllodocidae Eteone flava X 586 Polychaeta Phyllodocida Phyllodocidae Eteone foliosa 587 Polychaeta Phyllodocida Phyllodocidae Eteone lactea X 588 Polychaeta Phyllodocida Phyllodocidae Eteone longa X X X X X X X X 589 Polychaeta Phyllodocida Phyllodocidae Eteone pusilla X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 590 Malacostraca Decapoda Hippolytidae Eualus cranchii 591 Malacostraca Decapoda Hippolytidae Eualus gaimardii 592 Malacostraca Decapoda Hippolytidae Eualus occultus X 593 Malacostraca Decapoda Hippolytidae Eualus pusiolus X X X X 594 Gastropoda Nudibranchia Eubranchidae Eubranchus exiguus X 595 Gastropoda Nudibranchia Eubranchidae Eubranchus pallidus X 596 Gastropoda Nudibranchia Eubranchidae Eubranchus tricolor 597 Insecta Coleoptera Curculionidae Eubrychius velutus 598 Polychaeta Sabellida Sabellidae Euchone analis X X 599 Polychaeta Sabellida Sabellidae Euchone papillosa X X X X X X X 600 Polychaeta Sabellida Sabellidae Euchone rubrocincta X 601 Polychaeta Capitellida Maldanidae Euclymene affinis X Gymnol602 aemata Cheilostomatida Eucrateidae Eucratea loricata X X 603 Hydrozoa Anthoathecata Eudendriidae Eudendrium rameum X Malacos604 traca Cumacea Leuconidae Eudorella emarginata X X X 605 Malacostraca Cumacea Leuconidae Eudorella truncatula X X X X X X 606 Malacostraca Cumacea Leuconidae Eudorellopsis deformis 607 Ascidiacea 164 Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X X X Molgulidae Eugyra arenosa X 608 Polychaeta Phyllodocida Phyllodocidae Eulalia bilineata X X X X X X X 609 Polychaeta Phyllodocida Phyllodocidae Eulalia viridis X X X X X X 610 Gastropoda Hypsogastropoda Eulimidae Eulima bilineata X 611 Gastropoda [unassigned] CaenogasNewtoniellidae tropoda Eumetula arctica X 612 Polychaeta Phyllodocida Phyllodocidae Eumida arctica 613 Polychaeta Phyllodocida Phyllodocidae Eumida bahusiensis X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 614 Polychaeta Phyllodocida Phyllodocidae Eumida ockelmanni X 615 Polychaeta Phyllodocida Phyllodocidae Eumida punctifera X 616 Polychaeta Phyllodocida Phyllodocidae Eumida sanguinea X X X X X X X 617 Polychaeta Phyllodocida Nereididae Eunereis longissima X 618 Polychaeta Phyllodocida Polynoidae Eunoe nodosa X X X 619 Polychaeta Terebellida Terebellidae Eupolymnia nebulosa X 620 Polychaeta Terebellida Terebellidae Eupolymnia nesidensis X 621 Malacostraca Isopoda Munnopsidae Eurycope mutica 622 Malacostraca Isopoda Cirolanidae Eurydice pulchra 623 Malacostraca Decapoda Majidae Eurynome aspera X 624 Malacostraca Decapoda Majidae Eurynome spinosa X 625 Malacostraca Amphipoda Isaeidae Eurystheus melanops X X X X X X X X X X X X X X X X X Littorinimorpha Naticidae Euspira catena 627 Gastropoda Hypsogastropoda Naticidae Euspira montagui X 628 Gastropoda Hypsogastropoda Naticidae Euspira pallida X X X 629 Gastropoda Littorinimorpha Naticidae Euspira pulchella X X X X X Opheliidae Euzonus flabelligerus X Exogone (Exogone) dispar Exogone (Exogone) naidina Exogone (Exogone) verugera Exogone (Parexogone) hebes X X X X X X X X X X X X X X X X X Phyllodocida Syllidae Phyllodocida Syllidae 633 Polychaeta Phyllodocida Syllidae 634 Polychaeta Phyllodocida Syllidae 635 Polychaeta Sabellida Sabellidae Fabricia stellaris 636 Polychaeta Sabellida Sabellidae Fabriciola baltica X X X X X X X X X 637 Gastropoda Nudibranchia Facelinidae Facelina bostoniensis X X X X Ctenostomatida Triticellidae Farrella repens X X X X 639 Gastropoda Nudibranchia Facelinidae Favorinus branchialis Gymnol640 aemata Cheilostomatida Microporellidae Fenestrulina malusii 641 Hydrozoa Leptothecata Lafoeidae Filellum serpens 642 Polychaeta Sabellida Serpulidae Filograna implexa X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 643 Polychaeta Flabelligerida Flabelligeridae Flabelligera affinis 644 Gastropoda Nudibranchia Flabellinidae Flabellina verrucosa Gymnol645 aemata Cheilostomatida Flustridae Flustra foliacea X X X X X X Gymnolaemata Ctenostomatida Flustrellidridae Flustrellidra hispida X X 647 Gastropoda Basommatophora Lymnaeidae Fossaria truncatula 648 Clitellata Haplotaxida Enchytraeidae Fridericia bulbosa 649 Anthozoa Pennatulacea Funiculinidae Funiculina quadrangularis X Malacos650 traca Decapoda Galatheidae Galathea intermedia X 651 Malacostraca Decapoda Galatheidae Galathea squamifera X 652 Malacostraca Decapoda Galatheidae Galathea strigosa X 653 Polychaeta Oweniida Oweniidae Galathowenia oculata X X X X X X Malacos654 traca Amphipoda Gammarellidae Gammarellus angulosus 646 X X 632 Polychaeta Gymnolaemata X X 631 Polychaeta 638 X X 626 Gastropoda 630 Polychaeta X X X X X X X X X X X X X X X X X X X X X 165 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family 655 Malacostraca Amphipoda Gammarellidae Gammarellus homari 656 Malacostraca Amphipoda Photidae Gammaropsis cornuta X 657 Malacostraca Amphipoda Photidae Gammaropsis maculata X X X X 658 Malacostraca Amphipoda Photidae Gammaropsis melanops X X 659 Malacostraca Amphipoda Photidae Gammaropsis nitida X X X 660 Malacostraca Amphipoda Gammaridae Gammarus duebeni X 661 Malacostraca Amphipoda Gammaridae Gammarus finmarchicus X X X 662 Malacostraca Amphipoda Gammaridae Gammarus inaequicauda X 663 Malacostraca Amphipoda Gammaridae Gammarus insensibilis X X 664 Malacostraca Amphipoda Gammaridae Gammarus lacustris 665 Malacostraca Amphipoda Gammaridae Gammarus locusta X X X X X X X X X X 666 Malacostraca Amphipoda Gammaridae Gammarus oceanicus X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 667 Malacostraca Amphipoda Gammaridae Gammarus pulex 668 Malacostraca Amphipoda Gammaridae Gammarus roeselii 669 Malacostraca Amphipoda Gammaridae Gammarus salinus 670 Malacostraca Amphipoda Gammaridae Gammarus tigrinus 671 Malacostraca Amphipoda Gammaridae Gammarus zaddachi 672 Bivalvia Euheterodonta incertae sedis Euheterodonta incertae sedis X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Anthoathecata Bougainvilliidae Garveia franciscana Mysida Mysidae Gastrosaccus spinifer X X X X X X X X Phyllodocida Polynoidae Gattyana amondseni X X X 677 Polychaeta Phyllodocida Polynoidae Gattyana cirrhosa X X X X X X 678 Insecta Hemiptera Gerridae Gerris argentatus X 679 Insecta Hemiptera Gerridae Gerris lacustris X 680 Insecta Hemiptera Gerridae Gerris odontogaster X 681 Insecta Hemiptera Gerridae Gerris thoracicus X Decapoda Geryonidae Geryon trispinosus X 683 Gastropoda Vetigastropoda Trochidae Gibbula cineraria X X 684 Gastropoda Vetigastropoda Trochidae Gibbula tumida X Malacos685 traca Amphipoda Amphilochidae Gitana sarsi 686 Clitellata Rhynchobdellida Glossiphoniidae Glossiphonia complanata 687 Clitellata Rhynchobdellida Glossiphoniidae Glossiphonia concolor 688 Clitellata Rhynchobdellida Glossiphoniidae Glossiphonia paludosa 689 Clitellata Rhynchobdellida Glossiphoniidae Glossiphonia verrucata 690 Polychaeta Phyllodocida Glyceridae Glycera alba X X X X X X 691 Polychaeta Phyllodocida Glyceridae Glycera capitata X X 692 Polychaeta Phyllodocida Glyceridae Glycera gigantea X Malacostraca X X X X X X X X X 682 X X X X X X X X 676 Polychaeta X X X Gari fervensis Malacostraca X X X Gari tellinella 675 X X X X X X X X X Psammobidae 674 Hydrozoa X X X X X Psammobidae 673 Bivalvia 166 Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 693 Polychaeta Phyllodocida Glyceridae Glycera lapidum X 694 Polychaeta Phyllodocida Glyceridae Glycera rouxi X 695 Polychaeta Phyllodocida Glyceridae Glycera tesselata X 696 Polychaeta Phyllodocida Glyceridae Glycera unicornis X 697 Polychaeta Phyllodocida Goniadidae Glycinde nordmanni X X 698 Polychaeta Phyllodocida Pilargidae Glyphohesione klatti X X 699 Insecta Trichoptera Limnephilidae 700 Insecta Diptera Chironomidae 701 Insecta Diptera Chironomidae 702 Insecta Diptera Chironomidae 703 Insecta Diptera Chironomidae 704 Insecta Diptera Chironomidae Glyphotaelius pellucidus Glyptotendipes barbipes Glyptotendipes glaucus Glyptotendipes gripekoveni Glyptotendipes pallens Glyptotendipes paripes 705 Malacostraca Amphipoda Gammaridae Gmelinoides fasciatus 706 Malacostraca Isopoda Gnathiidae Gnathia oxyuraea Trichoptera Goeridae Goera pilosa Golfingia (Golfingia) margaritacea Golfingia (Golfingia) vulgaris vulgaris Gomphus vulgatissimus 707 Insecta X X X X X X X X X X X X X X X Golfingiida Golfingiidae Golfingiidae 710 Insecta Odonata Gomphidae 711 Anthozoa Actiniaria Gonactiniidae Gonactinia prolifera 712 Polychaeta Phyllodocida Goniadidae Goniada maculata 713 Polychaeta Phyllodocida Goniadidae Goniada norvegica 714 Polychaeta Phyllodocida Goniadidae Goniadella bobretzkii X X 715 Gastropoda Nudibranchia Goniodorididae Goniodoris nodosa 716 Hydrozoa Leptothecata Campanulariidae Gonothyraea loveni 717 Gordioidea Gordiidae Gordius aquaticus 718 Echinoidea Camarodonta Echinidae Gracilechinus acutus X 719 Echinoidea Camarodonta Echinidae Gracilechinus elegans X X X X X X X X X X X X X X X X X X X X X X X X X X Trichoptera Limnephilidae 721 Clitellata Enchytraeida Enchytraeidae Grania ovitheca X 722 Clitellata Enchytraeida Enchytraeidae Grania postclitellochaeta X 723 Clitellata Enchytraeida Enchytraeidae Grania variochaeta X 724 Clitellata Enchytraeida Enchytraeidae Grania vikinga X Cimidae Graphis albida X Clathrinida Clathrinidae Guancha blanca 727 Polychaeta Phyllodocida Hesionidae Gyptis helgolandica X 728 Polychaeta Phyllodocida Hesionidae Gyptis rosea X 729 Gastropoda Basommatophora Planorbidae Gyraulus albus X X X Basommatophora Planorbidae Gyraulus riparius 731 Insecta Coleoptera Gyrinidae Gyrinus distinctus X 732 Insecta Coleoptera Gyrinidae Gyrinus minutus X 733 Insecta Coleoptera Gyrinidae Gyrinus natator X 734 Clitellata Arhynchobdellida Haemopidae Haemopis elegans 735 Clitellata Arhynchobdellida Haemopidae Haemopis sanguisuga Halcampa chrysanthellum Halcampa duodecimcirrata Halcampoides abyssorum 738 Anthozoa Actiniaria Halcampoididae X X 730 Gastropoda Halcampidae X X X X X X X 726 Calcarea Halcampidae X X X X X X X X 720 Insecta Actiniaria X X Grammotaulius nigropunctatus Actiniaria X X Golfingiida 737 Anthozoa X X 708 Sipunculidea 736 Anthozoa X X 709 Sipunculidea 725 Gastropoda X X X X X X X X X X X X X X X X X X X X X X X X X X 167 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name 739 Hydrozoa Leptothecata Haleciidae Halecium halecium X 740 Hydrozoa Leptothecata Haleciidae Halecium labrosum X 741 Hydrozoa Leptothecata Haleciidae Halecium tenellum X X X X X Demospon742 giae Halichondrida Halichondriidae Halichondria (Halichondria) bowerbanki 743 Demospongiae Halichondrida Halichondriidae Halichondria X X X X X X X X (Halichondria) panicea 744 Demospongiae Haplosclerida Chalinidae Haliclona (Haliclona) oculata 745 Demospongiae Haplosclerida Chalinidae Haliclona (Haliclona) urceolus 746 Demospongiae Haplosclerida Chalinidae Haliclona (Reniera) cinerea 747 Malacostraca Amphipoda Oedicerotidae Halicreion aequicornis X 748 Priapulida 168 Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X Priapulidae Halicryptus spinulosus X X X X X X X X X X X X X X X X X 749 Insecta Coleoptera Haliplidae Haliplus confinis 750 Insecta Coleoptera Haliplidae Haliplus flavicollis X 751 Insecta Coleoptera Haliplidae Haliplus immaculatus X Demospon752 giae Halisarcida Halisarcidae Halisarca dujardini X X X X X X X X X 753 Hydrozoa Anthoathecata Pandeidae Halitholus yoldiaarcticae 754 Insecta Diptera Chironomidae Halocladius braunsi 755 Insecta Diptera Chironomidae Halocladius variabilis 756 Insecta Diptera Chironomidae Halocladius varians 757 Insecta Diptera Chironomidae Halocladius vitripennis 758 Gastropoda Cephalaspidea Haminoeidae Haminoea exigua Polypla759 cophora Lepidopleurida Hanleyidae Hanleya hanleyi X X X X X X X X X X X X X X X X X X X X X X X X X X X 760 Malacostraca Amphipoda Ampeliscidae Haploops tenuis X X 761 Malacostraca Amphipoda Ampeliscidae Haploops tubicola X X X 762 Malacostraca Amphipoda Stenothoidae Hardametopa nasuta 763 Polychaeta Phyllodocida Polynoidae Harmothoe antilopes X 764 Polychaeta Phyllodocida Polynoidae Harmothoe borealis X 765 Polychaeta Phyllodocida Polynoidae Harmothoe extenuata X 766 Polychaeta Phyllodocida Polynoidae Harmothoe fragilis X 767 Polychaeta Phyllodocida Polynoidae Harmothoe imbricata X X X X X X X X 768 Polychaeta Phyllodocida Polynoidae Harmothoe impar X X X X X X X X 769 Polychaeta Phyllodocida Polynoidae Harmothoe longisetis X 770 Insecta Diptera Chironomidae Harnischia curtilamellata 771 Insecta Diptera Chironomidae Harnischia fuscimana Malacos772 traca Amphipoda Phoxocephalidae Harpinia antennaria X X 773 Malacostraca Amphipoda Phoxocephalidae Harpinia crenulata X 774 Malacostraca Amphipoda Phoxocephalidae Harpinia laevis X 775 Malacostraca Amphipoda Phoxocephalidae Harpinia pectinata X X 776 Malacostraca Amphipoda Phoxocephalidae Harpinia serrata X X X 777 Malacostraca Amphipoda Phoxocephalidae Harpinia truncata X X X X X X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species 778 Enteropneusta Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution Enteropneusta Harrimaniidae Harrimania kupfferi 779 Hydrozoa Leptothecata Campanulariidae Hartlaubella gelatinosa 780 Polychaeta Terebellida Terebellidae Hauchiella tribullata X Amphipoda Haustoriidae Haustorius arenarius X 781 Malacostraca 782 Insecta Hemiptera Hebridae Hebrus pusillus 783 Polychaeta Phyllodocida Nereididae Hediste diversicolor 784 Clitellata Rhynchobdellida Glossiphoniidae Helobdella stagnalis 785 Clitellata Rhynchobdellida Glossiphoniidae Hemiclepsis marginata X X X X X X X X Cumacea Lampropidae 787 Malacostraca Cumacea Lampropidae Hemilamprops cristata X 788 Malacostraca Cumacea Lampropidae Hemilamprops roseus X 789 Bivalvia Veneroida Lasaeidae Hemilepton nitidum X Malacos790 traca Mysida Mysidae Hemimysis anomala Malacostraca Mysida Mysidae Hemimysis lamornae 792 Asteroidea Spinulosida Echinasteridae Henricia perforata 793 Asteroidea Spinulosida Echinasteridae Henricia sanguinolenta 794 Insecta Ephemeroptera Heptageniidae Heptagenia sulphurea 795 Insecta Diptera Tabanidae Heptatoma pellucens 796 Insecta Hemiptera Corixidae Hesperocorixa linnaei 797 Bivalvia Pteriomorpha incertae sedis Anomiidae Heteranomia squamula 798 Clitellata Haplotaxida Tubificidae Heterochaeta costata 799 Polychaeta Capitellida Capitellidae Heteromastus filiformis Mysida Mysidae Heteromysis norvegica X Tanaidacea Leptocheliidae Heterotanais oerstedii X X X X X X X Euheterodonta incertae sedis Hiatellidae Hiatella arctica 801 Malacostraca 802 Bivalvia X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Valvatida Goniasteridae Hippasteria phrygiana X Basommatophora Planorbidae Hippeutis complanatus Malacos805 traca Decapoda Hippolytidae Hippolyte varians X Malacostraca Amphipoda Lysianassidae Hippomedon denticulatus X 807 Gymnolaemata Cheilostomatida Hippothoidae Hippothoa divaricata X 808 Gymnolaemata Cheilostomatida Hippothoidae Hippothoa flagellum X Holocentropus picicornis Holocentropus stagnalis 809 Insecta Trichoptera Polycentropodidae 810 Insecta Trichoptera Polycentropodidae 811 Anthozoa Actiniaria Hormathiidae Hormathia digitata Cyclostomatida Horneridae Hornera lichenoides X 813 Gastropoda Littorinimorpha Iravadiidae Hyala vitrea X Phylactol814 aemata Plumatellida Plumatellidae Hyalinella punctata 815 Polychaeta Eunicida Onuphidae Hyalinoecia tubicola Malacos816 traca Decapoda Majidae Hyas araneus X X X X X X X X X X X X X X X X 806 X X X X X X X X X X X X X X X 804 Gastropoda Stenolaemata X X 803 Asteroidea 812 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Hemilamprops assimilis Malacos800 traca X X X X X X Malacos786 traca 791 X X X X X X X X X X X X X X X X X X X X X X X X X X X X 169 HELCOM Checklist for Baltic Sea Invertebrate Species 817 Malacostraca Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Decapoda Oregoniidae Hyas coarctatus 818 Hydrozoa Anthoathecata Hydridae Hydra circumcincta 819 Hydrozoa Anthoathecata Hydridae Hydra fusca X 820 Hydrozoa Anthoathecata Hydridae Hydra oligactis X 821 Hydrozoa Anthoathecata Hydridae Hydra oxycnida 822 Hydrozoa Anthoathecata Hydridae Hydra vulgaris 823 Hydrozoa Anthoathecata Hydractiniidae Hydractinia borealis 824 Hydrozoa Anthoathecata Hydractiniidae Hydractinia carnea 825 Hydrozoa Anthoathecata Hydractiniidae Hydractinia echinata X X X X X X X X X X X X X X Leptothecata Sertulariidae Hydrallmania falcata 827 Insecta Diptera Chironomidae Hydrobaenus pilipes X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 828 Gastropoda Hypsogastropoda Hydrobiidae Hydrobia acuta neglecta 829 Gastropoda Hypsogastropoda Hydrobiidae Hydrobia ulvae 830 Insecta Coleoptera Hydrophilidae Hydrochara caraboides 831 Polychaeta Sabellida Serpulidae Hydroides norvegicus Mermithidae Hydromermis contorta Hydroporus erythrocephalus Hydroporus incognitus X Mermithida X X X X 826 Hydrozoa Adenop832 horea 170 Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X 833 Insecta Coleoptera Dytiscidae 834 Insecta Coleoptera Dytiscidae 835 Insecta Coleoptera Dytiscidae Hydroporus nigrita X 836 Insecta Coleoptera Dytiscidae Hydroporus tristis X 837 Insecta Coleoptera Dytiscidae Hydroporus umbrosus X X X X 838 Insecta Trichoptera Hydropsychidae Hydropsyche contubernalis 839 Insecta Trichoptera Hydroptilidae Hydroptila angulata X X X X X X 840 Insecta Trichoptera Hydroptilidae Hydroptila pulchricornis X 841 Insecta Trichoptera Hydroptilidae Hydroptila simulans X 842 Insecta Trichoptera Hydroptilidae Hydroptila tineoides X 843 Insecta Trichoptera Hydroptilidae Hydroptila vectis X 844 Insecta Coleoptera Hygrobiidae Hygrobia hermanni 845 Insecta Coleoptera Dytiscidae Hygrotus impressopunctatus X 846 Insecta Coleoptera Dytiscidae Hygrotus inaequalis X Malacos847 traca Amphipoda Hyperiidae Hyperia galba X X X X X X X X X X X X X 848 Gymnolaemata Ctenostomatida Stolonifera Hypophorella expansa X X 849 Stenolaemata Cyclostomatida Tubuliporidae Idmidronea atlantica X X 850 Malacostraca Isopoda Idoteidae Idotea balthica X X X X X X X X X X X X X X X X X X X X X X X X 851 Malacostraca Isopoda Idoteidae Idotea chelipes X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 852 Malacostraca Isopoda Idoteidae Idotea granulosa X X 853 Malacostraca Isopoda Idoteidae Idotea pelagica 854 Insecta Coleoptera Dytiscidae Ilybius aenescens X 855 Insecta Coleoptera Dytiscidae Ilybius ater X 856 Insecta Coleoptera Dytiscidae Ilybius fenestratus X 857 Insecta Coleoptera Dytiscidae Ilybius guttiger X 858 Insecta Coleoptera Dytiscidae Ilybius subaeneus 859 Insecta Hemiptera Naucoridae Ilyocoris cimicoides 860 Clitellata Haplotaxida Tubificidae Ilyodrilus templetoni X X X X X X X X X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 861 Malacostraca Decapoda Inachidae Inachus dorsettensis X 862 Malacostraca Decapoda Inachidae Inachus phalangium X Lepetidae Iothia fulva X Amphipoda Iphimediidae Iphimedia obesa X Cumacea Bodotriidae Iphinoe serrata 866 Insecta Odonata Coenagrionidae Ischnura elegans Malacos867 traca Amphipoda Ischyroceridae Ischyrocerus anguipes X X X X X X Malacostraca Amphipoda Ischyroceridae Ischyrocerus megacheir Haplotaxida Tubificidae Isochaetides michaelseni 863 Gastropoda Malacos864 traca 865 868 Malacostraca 869 Clitellata X X X X X X X X X X X 870 Malacostraca Isopoda Janiridae Jaera (Jaera) albifrons X X X X X 871 Malacostraca Isopoda Janiridae Jaera (Jaera) sarsi 872 Malacostraca Isopoda Janiridae Janira maculosa X 873 Malacostraca Amphipoda Ischyroceridae Jassa falcata X X 874 Malacostraca Amphipoda Ischyroceridae Jassa herdmani 875 Malacostraca Amphipoda Ischyroceridae Jassa pusilla X X 876 Polychaeta Phyllodocida Hesionidae Kefersteinia cirrata X X X X X 877 Bivalvia Euheterodonta incertae sedis Kelliidae Kellia suborbicularis X 878 Bivalvia Veneroida Kelliellidae Kelliella miliaris X Cheilostomatida Bugulidae Kinetoskias smitti X 880 Hydrozoa Leptothecata Kirchenpaueriidae Kirchenpaueria pinnata X 881 Bivalvia Euheterodonta incertae sedis Montacutidae Kurtiella bidentata X X X X X X X Apodida Synaptidae Labidoplax buskii X 883 Insecta Coleoptera Hydrophilidae Laccobius bipunctatus 884 Insecta Coleoptera Hydrophilidae Laccobius decorus 885 Insecta Coleoptera Dytiscidae Laccophilus hyalinus 886 Gastropoda Hypsogastropoda Littorinidae Lacuna pallidula 887 Gastropoda Hypsogastropoda Littorinidae Lacuna parva X X X X X 888 Gastropoda Hypsogastropoda Littorinidae Lacuna vincta X X X X X X X X X X X X 889 Polychaeta Phyllodocida Aphroditidae Laetmonice filicornis X 890 Bivalvia Euheterodonta incertae sedis Cardiidae Laevicardium crassum X 891 Hydrozoa Leptothecata Lafoeidae Lafoea dumosa 892 Hydrozoa Leptothecata Campanulinidae Lafoeina tenuis 893 Polychaeta Terebellida Pectinariidae Lagis koreni X X X X X X X 894 Gastropoda Hypsogastropoda Lamellariidae Lamellaria perspicua X 895 Clitellata Haplotaxida Tubificidae Lamprodrilus isoporus Cumacea Lampropidae Lamprops fasciatus 897 Polychaeta Terebellida Terebellidae Lanassa venusta X X 898 Polychaeta Terebellida Terebellidae Lanice conchilega X X X X X X 899 Hydrozoa Leptothecata Campanulariidae Laomedea calceolifera X 900 Hydrozoa Leptothecata Campanulariidae Laomedea flexuosa X X X X 879 882 896 Gymnolaemata Holothuroidea Malacostraca X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 171 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name 901 Polychaeta Spionida Spionidae Laonice bahusiensis X X 902 Polychaeta Spionida Spionidae Laonice cirrata X X X 903 Polychaeta Sabellida Sabellidae Laonome kroeyeri X X X X X X X 904 Polychaeta Phyllodocida Sigalionidae Leanira hystricis X X X 905 Malacostraca Isopoda Sphaeromatidae Lekanesphaera hookeri X X X 906 Malacostraca Isopoda Sphaeromatidae Lekanesphaera rugicauda X X X X X X X X 907 Malacostraca Amphipoda Aoridae Lembos websteri X Lepetidae Lepeta caeca X X X X X X X 908 Gastropoda Lepidochitona (Lepidochitona) cinerea Lepidonotus squamatus Polypla909 cophora Chitonida Tonicellidae 910 Polychaeta Phyllodocida Polynoidae 911 Insecta Trichoptera Lepidostomatidae Lepidostoma hirtum 912 Asteroidea Forcipulatida Asteriidae Leptasterias (Leptasterias) muelleri 913 Asteroidea Forcipulatida Asteriidae Leptasterias danica 914 Insecta Trichoptera Leptoceridae Leptocerus tineiformis X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Amphipoda Aoridae Leptocheirus hirsutimanus 916 Malacostraca Amphipoda Aoridae Leptocheirus pilosus 917 Polyplacophora Lepidopleurida Leptochitonidae Leptochiton alveolus X 918 Polyplacophora Lepidopleurida Leptochitonidae Leptochiton asellus X X X 919 Polyplacophora Lepidopleurida Leptochitonidae Leptochiton sarsi X 920 Malacostraca Tanaidacea Leptognathiidae Leptognathia breviremis X 921 Malacostraca Mysida Mysidae Leptomysis gracilis X 922 Malacostraca Mysida Mysidae Leptomysis mediterranea Euheterodonta incertae sedis Leptonidae Lepton squamosum X Dendrochirotida Cucumariidae Leptopentacta elongata X X X X X X X X X X X X X X X X X X X X X X X X X 925 Rhabditophora Polycladida Leptoplanidae Leptoplana tremellaris 926 Malacostraca Cumacea Diastylidae Leptostylis ampullacea X X 927 Malacostraca Cumacea Diastylidae Leptostylis longimana X X 928 Malacostraca Cumacea Diastylidae Leptostylis villosa X X 929 Holothuroidea Apodida Synaptidae Leptosynapta decaria X 930 Holothuroidea Apodida Synaptidae Leptosynapta inhaerens X 931 Insecta Odonata Lestidae Lestes dryas 932 Insecta Odonata Lestidae Lestes sponsa 933 Hydrozoa Anthoathecata Pandeidae Leuckartiara octona X X X X X X X X X X X Malacos934 traca Cumacea Leuconidae Leucon (Leucon) fulvus 935 Malacostraca Cumacea Leuconidae Leucon (Leucon) nasica X X X 936 Malacostraca Cumacea Leuconidae Leucon acutirostris X X X Odonata Libellulidae Leucorrhinia pectoralis 937 Insecta X X Malacostraca Holo924 thuroidea X X X X X X X X X X X X X X 915 923 Bivalvia 172 Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Leucosolenida Leucosoleniidae Leucosolenia complicata 939 Calcarea Leucosolenida Leucosoleniidae Leucosolenia fragilis Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Order 938 Calcarea No Class Family A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X 940 Malacostraca Amphipoda Leucothoidae Leucothoe incisa X 941 Malacostraca Amphipoda Leucothoidae Leucothoe lilljeborgi X 942 Malacostraca Amphipoda Leucothoidae Leucothoe spinicarpa 943 Polychaeta Orbiniida Paraonidae Levinsenia gracilis 944 Insecta Odonata Libellulidae Libellula quadrimaculata Cyclostomatida Lichenoporidae Lichenopora verrucaria Stenol945 aemata X X X X X X X X X X Malacostraca Isopoda Ligiidae Ligia oceanica 947 Malacostraca Amphipoda Liljeborgiidae Liljeborgia macronyx X X Nudibranchia Polyceridae Limacia clavigera 949 Gastropoda Sacoglossa Limapontiidae Limapontia capitata X 950 Gastropoda Sacoglossa Limapontiidae Limapontia depressa X Pteriomorpha incertae sedis Pteriomorpha incertae sedis Pteriomorpha incertae sedis Limidae Limaria loscombii X Limidae Limatula gwyni X Limidae Limatula subauriculata X 954 Insecta Trichoptera Limnephilidae Limnephilus affinis 955 Insecta Trichoptera Limnephilidae Limnephilus auricula 956 Insecta Trichoptera Limnephilidae Limnephilus borealis 957 Insecta Trichoptera Limnephilidae Limnephilus decipiens 958 Insecta Trichoptera Limnephilidae Limnephilus extricatus 959 Insecta Trichoptera Limnephilidae Limnephilus flavicornis 960 Insecta Trichoptera Limnephilidae 961 Insecta Trichoptera 962 Insecta Trichoptera 963 Insecta 964 Insecta 953 Bivalvia X X X X X X X X X X X X X X X X X X X X X X Limnephilus griseus X X X X X Limnephilidae Limnephilus lunatus X X X X Limnephilidae Limnephilus luridus X X X Trichoptera Limnephilidae Limnephilus marmoratus X X X Trichoptera Limnephilidae Limnephilus politus X X X X Limnephilidae Trichoptera Limnephilidae Limnephilus sparsus 967 Insecta Trichoptera Limnephilidae Limnephilus stigma Limnephilus subcentralis Limnodrilus claparedeanus Limnodrilus hoffmeisteri Limnodrilus profundicola Limnodrilus udekemianus 968 Insecta Trichoptera Limnephilidae 969 Clitellata Haplotaxida Tubificidae X X X X X X Trichoptera X X X X X 966 Insecta X X X X 970 Clitellata Haplotaxida Tubificidae 971 Clitellata Haplotaxida Tubificidae 972 Clitellata Haplotaxida Tubificidae Malacos973 traca Mysida Mysidae Limnomysis benedeni Diptera Chironomidae Limnophyes hydrophilus 975 Insecta Diptera Chironomidae Limnophyes minimus 976 Insecta Hemiptera Gerridae Limnoporus rufoscutellatus Malacos977 traca Isopoda Limnoriidae Limnoria lignorum 978 Anopla Lineidae Lineus bilineatus 979 Anopla Lineidae Lineus longissimus X X 980 Anopla Lineidae Lineus pseudoruber X 974 Insecta X X X 965 Insecta X X X X X X Limnephilus rhombicus X X X 948 Gastropoda 952 Bivalvia X X 946 951 Bivalvia X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 173 HELCOM Checklist for Baltic Sea Invertebrate Species Lineidae Lineus ruber 982 Anopla Lineidae Lineus viridis Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family 981 Anopla X X X X X X X X X X X Malacos983 traca Decapoda Portunidae Liocarcinus depurator X X X X 984 Malacostraca Decapoda Portunidae Liocarcinus holsatus X 985 Malacostraca Decapoda Portunidae Liocarcinus navigator X 986 Malacostraca Decapoda Portunidae Liocarcinus pusillus X Opheliida Scalibregmidae Lipobranchus jeffreysii X Decapoda X 987 Polychaeta 988 Malacostraca 989 Gastropoda Lithoglyphidae Lithoglyphus naticoides 990 Gastropoda Hypsogastropoda Littorinidae Littorina littorea X X X X X X X 991 Gastropoda Hypsogastropoda Littorinidae Littorina obtusata X X X X X 992 Gastropoda Hypsogastropoda Littorinidae Littorina saxatilis X X X X X X X Phylactolaemata Plumatellida Lophopodidae Lophopus crystallinus 994 Malacostraca Decapoda Epialtidae Loxorhynchus crispatus X 995 Bivalvia Euheterodonta incertae sedis Lucinidae Lucinoma borealis X 996 Asteroidea Paxillosida Luidiidae Luidia sarsi X 997 Clitellata Haplotaxida Enchytraeidae Lumbricillus arenarius 998 Clitellata Haplotaxida Enchytraeidae Lumbricillus helgolandicus Haplotaxida Enchytraeidae Lumbricillus lineatus Enchytraeidae 1001 Polychaeta Capitellida Maldanidae 1002 Clitellata Lumbriculida Lumbriculidae Lumbricillus semifuscus Lumbriclymene cylindricaudata Lumbriculus variegatus X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Eunicida Lumbrineridae Lumbrineris fragilis X Lumbrineridae Lumbrineris gracilis X 1005 Polychaeta Eunicida Lumbrineridae Lumbrineris impatiens X 1006 Polychaeta Eunicida Lumbrineridae Lumbrineris magnidentata X 1007 Polychaeta Eunicida Lumbrineridae Lumbrineris scopa X 1008 Polychaeta Eunicida Lumbrineridae Lumbrineris tetraura X 1009 Gastropoda Basommatophora Lymnaeidae Lymnaea stagnalis 1010 Insecta Trichoptera Psychomyiidae Lype phaeopa 1011 Polychaeta Terebellida Terebellidae Lysilla loveni X 1012 Polychaeta Terebellida Ampharetidae Lysippe labiata X Diptera X X X Eunicida 1015 Insecta X X X X X X X X X X 1003 Polychaeta 1014 Bivalvia X X 1004 Polychaeta Euheterodonta incertae sedis Euheterodonta incertae sedis X X X 993 Haplotaxida X X X X X Lithodes maja 999 Clitellata X X X Lithodidae 1000 Clitellata X X X Caenogastropoda incertae sedis 1013 Bivalvia 174 Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X X X X X X X X Tellinidae Macoma balthica X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Tellinidae Macoma calcarea X X X X X X X X Chironomidae Macropelopia nebulosa X X X X Malacos1016 traca Decapoda Polybiidae Macropipus tuberculatus 1017 Insecta Coleoptera Chrysomelidae Macroplea mutica 1018 Insecta Coleoptera Chrysomelidae Macroplea pubipennis Malacos1019 traca Decapoda Inachidae Macropodia deflexa 1020 Malacostraca Decapoda Inachidae Macropodia linaresi X X 1021 Malacostraca Decapoda Inachidae Macropodia rostrata X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Order Rhabditophora Macrostomida Macrostomidae Macrostomum appendiculatum 1023 Bivalvia Veneroida Mactridae Mactra stultorum X Malacos1024 traca Amphipoda Melitidae Maera loveni X X 1025 Polychaeta Spionida Magelonidae Magelona alleni X X X X 1026 Polychaeta Spionida Magelonidae Magelona filiformis X 1027 Polychaeta Spionida Magelonidae Magelona minuta X 1028 Polychaeta Spionida Magelonidae Magelona mirabilis X X 1029 Enopla Bdellonemertea Malacobdellidae Malacobdella grossa X X X X X X X X 1030 Polychaeta Spionida Spionidae X X 1031 Polychaeta Spionida Spionidae 1032 Polychaeta Spionida Spionidae Malacoceros fuliginosus Malacoceros fuliginosus Malacoceros tetracerus 1033 Polychaeta Capitellida Maldanidae Maldane sarsi X X X X X X 1034 Polychaeta Phyllodocida Polynoidae X 1035 Polychaeta Phyllodocida Polynoidae Malmgreniella andreapolis Malmgreniella arenicolae 1036 Polychaeta Phyllodocida Polynoidae Malmgreniella glabra X 1037 Polychaeta Phyllodocida Polynoidae X 1038 Polychaeta Phyllodocida Polynoidae 1039 Polychaeta Phyllodocida Polynoidae 1040 Polychaeta Sabellida Sabellidae Malmgreniella ljungmani Malmgreniella lunulata Malmgreniella mcintoshi Manayunkia aestuarina 1041 Gastropoda Neogastropoda Conidae Mangelia attenuata X 1042 Gastropoda Neogastropoda Conidae Mangelia costata X 1043 Polychaeta Spionida Spionidae Marenzelleria arctia 1044 Polychaeta Spionida Spionidae Marenzelleria neglecta 1045 Polychaeta Spionida Spionidae Marenzelleria viridis X X X X X X X X X No Class Family A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 1022 1046 Gastropoda Turbinidae Margarites helicinus 1047 Clitellata Haplotaxida Enchytraeidae Marionina spicula 1048 Gastropoda Hypsogastropoda Triphoridae Marshallora adversa X X X X X X X X X X X X X X X X X X X X X X X X X X X X Hydrobiidae Marstoniopsis scholtzi Asteriidae Marthasterias glacialis X Amphipoda Corophiidae Medicorophium affine X X X X X 1052 Polychaeta Capitellida Capitellidae Mediomastus fragilis X X X X Malacos1053 traca Amphipoda Megaluropidae Megaluropus agilis Malacostraca Amphipoda Photidae Megamphopus cornutus 1056 Gastropoda 1057 Gastropoda 1058 Gastropoda 1059 Gastropoda 1060 Gastropoda [unassigned] Caenogastropoda [unassigned] Caenogastropoda [unassigned] Caenogastropoda [unassigned] Caenogastropoda [unassigned] Caenogastropoda Megastomia conoidea X Melanella conoidea Eulimidae Melanella lubrica X Melanella polita X Eulimidae Melanella pyramidalis X Melanella sinuosa Melicertidae Melicertum octocostatum 1062 Polychaeta Terebellida Ampharetidae Melinna cristata Malacos1063 traca Amphipoda Melitidae Melita dentata Malacostraca Amphipoda Melitidae Melita palmata 1064 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Eulimidae Eulimidae X X X X X X X X X X Pyramidellidae Leptothecata X X X X X X Eulimidae 1061 Hydrozoa X X Neotaenioglossa 1055 Gastropoda X X X X Forcipulatida 1054 X X X X X X X X 1049 Gastropoda Malacostraca X X 1050 Asteroidea 1051 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 175 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order 1065 Malacostraca Amphipoda Melphidippidae Melphidippa borealis 1066 Malacostraca Amphipoda Melphidippidae Melphidippella macra 1067 Gymnolaemata Cheilostomatida Membraniporidae Membranipora membranacea X 1068 Gymnolaemata Cheilostomatida Cribrilinidae Membraniporella nitida X 1069 Bivalvia Euheterodonta incertae sedis Thyasiridae Mendicula ferruginosa X 1070 Hydrozoa Anthoathecata Oceaniidae Merona cornucopiae X Mysidae Mesopodopsis slabberi X X X X X X X Mysida 1072 Insecta Hemiptera Mesoveliidae Mesovelia fuscata 1073 Insecta Diptera Simulidae Metacnephia crassifistula Malacos1074 traca Amphipoda Stenothoidae Metopa alderi Malacostraca Amphipoda Stenothoidae Metopa pusilla X X X 1076 Anthozoa Actiniaria Metridiidae Metridium senile X X X X X X 1077 Insecta Diptera Chironomidae 1078 Insecta Diptera Chironomidae Microchironomus conjugens Microchironomus tener Malacos1079 traca Amphipoda 1080 Malacostraca 1081 Malacostraca X X X X X X X X X X X X X X Amphipoda Aoridae Microdeutopus versiculatus 1082 Insecta Hemiptera Corixidae Micronecta griseola 1083 Insecta Hemiptera Corixidae 1084 Polychaeta Phyllodocida Hesionidae 1085 Polychaeta Phyllodocida Hesionidae 1086 Polychaeta Phyllodocida Hesionidae 1087 Polychaeta Phyllodocida Hesionidae Micronecta minutissima Microphthalmus aberrans Microphthalmus listensis Microphthalmus sczelkowii Microphthalmus similis Gymnol1088 aemata Cheilostomatida Microporellidae Microporella ciliata X Amphipoda Isaeidae Microprotopus maculatus X Chironomidae Diptera Chironomidae Micropsectra praecox X X X X X X X X X X X X X X X X X Microstomidae Microstomum lineare 1094 Insecta Diptera Chironomidae Microtendipes chloris X 1095 Insecta Diptera Chironomidae Microtendipes pedellus X 1096 Anopla Lineidae Micrura baltica 1097 Anopla Lineidae Micrura fasciolata X X Ostreoida Pectinidae Mimachlamys varia X Seriata Monocelididae Minona baltica X X X X X X X X X 1102 Bivalvia Mytiloida Mytilidae Modiolus barbatus 1103 Bivalvia Mytiloida Mytilidae Modiolus modiolus 1104 Insecta Trichoptera Molannidae Molanna albicans X X X X X X Rhabdi1099 tophora Modiolarca subpicta X X X 1098 Bivalvia Spionidae X X Macrostomida Mytilidae X X Spionidae Spionida X X X X X Spionida Mytiloida X X Rhabdi1093 tophora 1101 Bivalvia X X 1092 Polychaeta 1100 Polychaeta X X X X X X X X X Microspio mecznikowianus Minuspio multibranchiata X X Microdeutopus gryllotalpa Diptera X X X Aoridae 1091 Insecta X X Amphipoda 1090 Insecta X X X X X X X X Micropsectra curvicornis X X Aoridae Malacostraca X X Microdeutopus anomalus 1089 X X X Malacos1071 traca 1075 176 Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species 1105 Insecta Trichoptera Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution Molannidae Molanna angustata X 1106 Ascidiacea Molgulidae Molgula citrina 1107 Ascidiacea Molgulidae Molgula manhattensis X X 1108 Ascidiacea Molgulidae Molgula occulta X X X X Amphipoda Corophiidae Monocorophium insidiosum X X X X X X X X 1110 Malacostraca Amphipoda Oedicerotidae Monoculodes carinatus X 1111 Malacostraca Amphipoda Oedicerotidae Monoculodes packardi X 1112 Malacostraca Amphipoda Oedicerotidae Monoculodes pallidus X 1113 Malacostraca Amphipoda Oedicerotidae Monoculopsis longicornis 1114 Insecta Diptera Chironomidae 1115 Gastropoda Hypsogastropoda Triphoridae Monodiamesa bathyphila Monophorus perversus Malacos1116 traca Amphipoda Pontoporeiidae Monoporeia affinis Cumacea Pseudocumatidae Monopseudocuma gilsoni 1118 Clitellata Haplotaxida Tubificidae Monopylephorus rubroniveus 1119 Bivalvia Veneroida Montacutidae Montacuta substriata Malacos1120 traca Isopoda Munnidae Munna minuta 1121 Bivalvia Euheterodonta incertae sedis Pisidiidae Musculium lacustre 1122 Bivalvia Mytiloida Mytilidae Musculus discors 1123 Bivalvia X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Myidae Mya truncata X Poecilosclerida Mycalidae Mycale (Mycale) lingua X 1127 Gastropoda Eupulmonata Ellobiidae Myosotella myosotis 1128 Polychaeta Phyllodocida Syllidae Myrianida prolifera 1129 Polychaeta Phyllodocida Syllidae 1130 Polychaeta Sabellida Oweniidae Myrianida quindecimdentata Myriochele danielsseni 1131 Polychaeta Sabellida Oweniidae Myriochele heeri X X X 1132 Bivalvia Euheterodonta incertae sedis Petricolidae Mysia undata X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 1133 Malacostraca Mysida Mysidae Mysis mixta X X X X X X X X X X X X X X X X X X X 1134 Malacostraca Mysida Mysidae Mysis oculata X 1135 Malacostraca Mysida Mysidae Mysis relicta 1136 Insecta Trichoptera Leptoceridae Mystacides azurea 1137 Insecta Trichoptera Leptoceridae Mystacides longicornis 1138 Insecta Trichoptera Leptoceridae Mystacides niger 1139 Polychaeta Phyllodocida Phyllodocidae Mystides southerni 1140 Bivalvia Euheterodonta incertae sedis Dreissenidae Mytilopsis leucophaeata 1141 Bivalvia Mytiloida Mytilidae Mytilus edulis 1142 Bivalvia Mytiloida Mytilidae Mytilus trossulus 1143 Gastropoda Basommatophora Lymnaeidae Myxas glutinosa 1144 Polychaeta Sabellida Sabellidae Myxicola infundibulum X Poecilosclerida Myxillidae Myxilla (Myxilla) incrustans X Demospongiae X X X X X X X X X X X X X X X X X 1145 X X X X X X X X X X X X X X Musculus niger Demospongiae X X Mya arenaria 1126 X X X X X Mytilidae 1125 Bivalvia Mytiloida Euheterodonta incertae sedis Euheterodonta incertae sedis X X X X X X X X Myidae 1124 Bivalvia X X X X Malacostraca Malacostraca X X 1109 1117 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 177 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order 1146 Clitellata Haplotaxida Naididae Nais barbata 1147 Clitellata Haplotaxida Naididae Nais behningi X 1148 Clitellata Haplotaxida Naididae Nais bretscheri X 1149 Clitellata Haplotaxida Naididae Nais christinae X 1150 Clitellata Haplotaxida Naididae Nais communis 1151 Clitellata Haplotaxida Naididae Nais elinguis 1152 Clitellata Haplotaxida Naididae Nais pardalis X 1153 Clitellata Haplotaxida Naididae Nais pseudobtusa X X 1154 Clitellata Haplotaxida Naididae Nais simplex X X X X X X X X X X X 1155 Clitellata Haplotaxida Naididae Nais variabilis 1156 Insecta Diptera Chironomidae Nanocladius balticus 1157 Gastropoda Hypsogastropoda Nassariidae Nassarius incrassatus X X 1158 Gastropoda Hypsogastropoda Nassariidae Nassarius nitidus X X 1159 Gastropoda Hypsogastropoda Nassariidae Nassarius pygmaeus X X X X 1160 Gastropoda Hypsogastropoda Nassariidae Nassarius reticulatus X X X X X X X Malacos1161 traca Isopoda Cirolanidae Natatolana borealis X 1162 Gastropoda Littorinimorpha Naticidae Natica intermedia X Malacos1163 traca Nebaliacea Nebaliidae Nebalia bipes Decapoda Polybiidae Necora puber 1165 Hydrozoa Leptothecata Plumulariidae Nemertesia antennina X 1166 Hydrozoa Leptothecata Plumulariidae Nemertesia ramosa 1164 Malacostraca X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 1167 Insecta Trichoptera Limnephilidae Nemotaulius punctatolineatus 1168 Polychaeta Terebellida Terebellidae Neoamphitrite affinis 1169 Polychaeta Terebellida Terebellidae Neoamphitrite figulus X X X X X X X X Malacos1170 traca Amphipoda Corophiidae Neohela monstrosa X 1171 Polychaeta Phyllodocida Sigalionidae Neoleanira tetragona X Malacos1172 traca Mysida Mysidae Neomysis integer X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 1173 Insecta Hemiptera Nepidae Golfingiidae 1175 Sipunculidea Golfingiida Golfingiidae Decapoda Nephropidae Nephrops norvegicus X X Nepa cinerea Golfingiida Malacostraca X X Nephasoma (Nephasoma) X abyssorum abyssorum Nephasoma (Nephasoma) X minutum 1174 Sipunculidea 1176 178 Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X 1177 Insecta Diptera Chironomidae Nephrotoma flavescens 1178 Polychaeta Phyllodocida Nephtyidae Nephtys assimilis X X X X 1179 Polychaeta Phyllodocida Nephtyidae Nephtys caeca X X X X X X X X X 1180 Polychaeta Phyllodocida Nephtyidae Nephtys ciliata X X X X X X X X X X 1181 Polychaeta Phyllodocida Nephtyidae Nephtys cirrosa X X X 1182 Polychaeta Phyllodocida Nephtyidae Nephtys hombergii X X X X X X X X 1183 Polychaeta Phyllodocida Nephtyidae Nephtys hystricis X 1184 Polychaeta Phyllodocida Nephtyidae Nephtys incisa X X X X X X 1185 Polychaeta Phyllodocida Nephtyidae Nephtys kersivalensis X 1186 Polychaeta Phyllodocida Nephtyidae Nephtys longosetosa X 1187 Polychaeta Phyllodocida Nephtyidae Nephtys paradoxa X X X X X X X X X X X X X X X X X X X X X X X X X X X 1188 Polychaeta Phyllodocida Nephtyidae Nephtys pente X 1189 Gastropoda Hypsogastropoda Buccinidae Neptunea antiqua X X X X X X X 1190 Polychaeta Phyllodocida Hesionidae Nereimyra punctata X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 1191 Polychaeta Phyllodocida Phyllodocidae Nereiphylla lutea X 1192 Polychaeta Phyllodocida Nereididae Nereis pelagica X X X X X X X 1193 Polychaeta Phyllodocida Nereididae Nereis pinnata X 1194 Polychaeta Polychaeta incertae sedis Nerillidae Nerilla antennata X X X X X 1195 Insecta Trichoptera Polycentropodidae Neureclipsis bimaculata 1196 Polychaeta Terebellida Terebellidae Nicolea venustula X 1197 Polychaeta Terebellida Terebellidae Nicolea zostericola X X X X X X X Maldanidae Nicomache X (Loxochona) trispinata Nicomache X (Nicomache) minor 1198 Polychaeta X X 1199 Polychaeta Capitellida Maldanidae 1200 Polychaeta Capitellida Maldanidae Nicomache lumbricalis X X X X X X X X X X X 1201 Polychaeta Capitellida Maldanidae Nicomache personata 1202 Insecta Ephemeroptera Baetidae Nigrobaetis niger X 1203 Hoplonemertea Cratenemertidae Nipponnemertes pulchra X X Gymnol1204 aemata Ctenostomatida Nolellidae Nolella dilatata X X 1205 Insecta Coleoptera Noteridae Noterus clavicornis X 1206 Insecta Coleoptera Noteridae Noterus crassicornis X 1207 Polychaeta Capitellida Capitellidae Notomastus latericeus X 1208 Insecta Hemiptera Notonectidae Notonecta glauca 1209 Polychaeta Phyllodocida Phyllodocidae Notophyllum foliosum X 1210 Craniata Craniida Craniidae Novocrania anomala X 1211 Bivalvia Nuculoida Nuculidae Nucula nitidosa X X X X X 1212 Bivalvia Nuculoida Nuculidae Nucula nucleus X X X X X X 1213 Bivalvia Nuculoida Nuculidae Nucula sulcata X X 1214 Bivalvia Nuculanoida Nuculanidae Nuculana minuta X X X X 1215 Bivalvia Nuculanoida Nuculanidae Nuculana pernula X X X X X X 1216 Pycnogonida Pantopoda Nymphonidae Nymphon brevirostre X X X X X X X X 1217 Pycnogonida Pantopoda Nymphonidae Nymphon brevitarse 1218 Pycnogonida Pantopoda Nymphonidae Nymphon grossipes 1219 Hydrozoa Leptothecata Campanulariidae Obelia geniculata X X X X X 1220 Hydrozoa Leptothecata Campanulariidae Obelia longissima X X X X X X X X X X Gammaridae 1222 Insecta Coleoptera Hydraenidae Ochthebius pusillus Holo1223 thuroidea Dendrochirotida Cucumariidae Ocnus lacteus X 1224 Gastropoda Allogastropoda Pyramidellidae Odostomia scalaris X X X X X X X 1225 Insecta Trichoptera Leptoceridae Oecetis furva 1226 Insecta Trichoptera Leptoceridae Oecetis lacustris 1227 Insecta Trichoptera Leptoceridae Oecetis ochracea 1228 Gastropoda Neogastropoda Oenopota reticulata Oerstedia laminariae 1230 Enopla Oerstediidae Oerstedia similiformis X X X X X X X Amphipoda Oerstediidae X X Obesogammarus crassus Conidae X X X Malacos1221 traca 1229 Enopla X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 1231 Gastropoda Heterobranchia incertae Omalogyridae sedis Omalogyra atomus 1232 Insecta Diptera Chironomidae Omisus caledonicus 1233 Gastropoda Nudibranchia Onchidorididae Onchidoris depressa 1234 Gastropoda Nudibranchia Onchidorididae Onchidoris muricata X X X X X 1235 Sipunculidea Golfingiida Phascolionidae X 1236 Sipunculidea Golfingiida Phascolionidae Onchnesoma squamatum Onchnesoma steenstrupii steenstrupii X X X X X X X X 179 HELCOM Checklist for Baltic Sea Invertebrate Species 1237 Stenolaemata Cyclostomatida Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Oncousoeciidae Oncousoecia dilatans X 1238 Gastropoda Pyramidellidae Ondina divisa X 1239 Gastropoda Pyramidellidae Ondina perezi X X X 1240 Gastropoda Littorinimorpha Rissoidae Onoba aculeus X X X X 1241 Gastropoda Hypsogastropoda Rissoidae Onoba semicostata X X X X X X X 1242 Hydrozoa Leptothecata Campanulinidae Opercularella lacerata X X X X X X 1243 Hydrozoa Leptothecata Campanulinidae Opercularella pumila X X 1244 Polychaeta 180 Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X Opheliidae Ophelia borealis X X X 1245 Polychaeta Scolecida Opheliidae Ophelia limacina X X X X X X X X X X X X 1246 Polychaeta Scolecida Opheliidae Ophelia rathkei X X X X X X X X X X X 1247 Polychaeta Scolecida Opheliidae Ophelina abranchiata X 1248 Polychaeta Scolecida Opheliidae Ophelina acuminata X X 1249 Polychaeta Scolecida Opheliidae Ophelina modesta X 1250 Ophiuroidea Ophiurida Ophiactidae Ophiactis balli X 1251 Clitellata Haplotaxida Naididae Ophidonais serpentina 1252 Ophiuroidea Ophiurida Ophiocomidae Ophiocomina nigra X 1253 Ophiuroidea Ophiurida Ophiuridae Ophiocten affinis X 1254 Polychaeta Phyllodocida Hesionidae Ophiodromus flexuosus X X X 1255 Ophiuroidea Ophiurida Ophiactidae Ophiopholis aculeata X X 1256 Ophiuroidea Ophiurida Ophiotrichidae Ophiothrix fragilis X X 1257 Ophiuroidea Ophiurida Ophiuridae Ophiura albida X X X X X X X X 1258 Ophiuroidea Ophiurida Ophiuridae Ophiura ophiura X X 1259 Ophiuroidea Ophiurida Ophiuridae Ophiura robusta X X X 1260 Ophiuroidea Ophiurida Ophiuridae Ophiura sarsii X X 1261 Polychaeta Eunicida Dorvilleidae Ophryotrocha gracilis 1262 Polychaeta Eunicida Dorvilleidae 1263 Polychaeta Orbiniida Orbiniidae 1264 Polychaeta Orbiniida Orbiniidae Ophryotrocha longidentata Orbinia (Orbinia) sertulata Orbinia (Phylo) norvegica Malacos1265 traca Amphipoda Talitridae Orchestia cavimana 1266 Malacostraca Amphipoda Talitridae Orchestia gammarellus 1267 Malacostraca Amphipoda Lysianassidae Orchomenella nana 1268 Malacostraca Decapoda Cambaridae Orconectes limosus 1269 Insecta Odonata Libellulidae 1270 Insecta Diptera Chironomidae Orthetrum cancellatum Orthocladius consobrinus 1271 Insecta Diptera Chironomidae Orthocladius dentifer X 1272 Insecta Diptera Chironomidae Orthocladius excavatus X 1273 Insecta Diptera Chironomidae Orthocladius oblidens X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Chironomidae Diptera Chironomidae Orthocladius olivaceus X 1276 Insecta Diptera Chironomidae Orthocladius rhyacobius X 1277 Insecta Diptera Chironomidae Orthocladius saxicola 1278 Insecta Trichoptera Hydroptilidae Orthotrichia costalis Othomaera othonis 1280 Rhabditophora Seriata Otomesostomatidae Otomesostoma auditivum X X X X Diptera Melitidae X X X 1275 Insecta Amphipoda X X X X 1274 Insecta Malacostraca X X Orthocladius obumbratus 1279 X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 1281 Insecta Coleoptera Limniidae Oulimnius tuberculatus 1282 Polychaeta Oweniida Oweniidae Owenia fusiformis X X X X 1283 Hydrozoa Anthoathecata Bougainvilliidae Pachycordyle navis X X Malacos1284 traca Decapoda Astacidae Pacifastacus leniusculus 1285 Insecta Diptera Chironomidae Pagastiella orophila Malacos1286 traca Decapoda Paguridae Pagurus bernhardus X X 1287 Malacostraca Decapoda Paguridae Pagurus cuanensis X 1288 Malacostraca Decapoda Paguridae Pagurus pubescens X 1289 Malacostraca Decapoda Palaemonidae Palaemon adspersus X X X X X X X X X X X X X X 1290 Malacostraca Decapoda Palaemonidae Palaemon elegans X 1291 Malacostraca Decapoda Palaemonidae Palaemon longirostris 1292 Malacostraca Decapoda Palaemonidae Palaemon serratus 1293 Malacostraca Decapoda Palaemonidae Palaemonetes varians X X X X X X X X Nudibranchia Polyceridae Palio dubia Polyceridae Palio nothus Amphipoda Gammaridae Pallasea quadrispinosa 1297 Bivalvia Ostreoida Pectinidae Palliolum furtivum X 1298 Bivalvia Ostreoida Pectinidae Palliolum striatum X X 1299 Bivalvia Ostreoida Pectinidae Palliolum tigerinum X X Gymnol1300 aemata Cheilostomatida Bryocryptellidae Palmiskenea skenei X X 1301 Gymnolaemata Ctenostomatida Paludicellidae Paludicella articulata 1302 Malacostraca Decapoda Pandalidae Pandalina brevirostris X 1303 Malacostraca Decapoda Pandalidae Pandalus borealis X 1304 Malacostraca Decapoda Pandalidae Pandalus montagui X 1305 Holothuroidea Dendrochirotida Cucumariidae Panningia hyndmanni X 1306 Polychaeta Phyllodocida Acoetidae Panthalis oerstedi 1307 Insecta Diptera Chironomidae 1308 Insecta Diptera Chironomidae 1309 Insecta Diptera Chironomidae 1310 Insecta Diptera Chironomidae 1311 Insecta Diptera Chironomidae 1312 Insecta Diptera Chironomidae 1313 Insecta Diptera Chironomidae Parachironomus arcuatus Parachironomus biannulatus Parachironomus gracilior Parachironomus pararostratus Parachironomus vitiosus Paracladopelma camptolabis Paracladopelma nigritula 1314 Insecta Hemiptera Corixidae Paracorixa concinna 1315 Polychaeta Sabellida Sabellidae Paradialychone filicaudata X 1316 Polychaeta Orbiniida Paraonidae Paradoneis eliasoni X 1317 Polychaeta Orbiniida Paraonidae Paradoneis lyra X X 1318 Anthozoa Actiniaria Edwardsiidae Paraedwardsia arenaria X Amphipoda Ischyroceridae Parajassa pelagica X Malacostraca X X X X X X X X X X X X X X X X X X X X Nudibranchia 1319 X X X 1294 Gastropoda Malacostraca X X X X X X X X X X X X X 1295 Gastropoda 1296 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 181 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Parakiefferiella bathophila Paralauterborniella nigrohalterale Parametriocnemus boreoalpinus 1320 Insecta Diptera Chironomidae 1321 Insecta Diptera Chironomidae 1322 Insecta Diptera Chironomidae Rhabdi1323 tophora Seriata Monocelididae Paramonotus hamatus Amphipoda Amphilochidae Paramphilochoides intermedius X Amphinomida Amphinomidae Paramphinome jeffreysii X 1324 Malacostraca 1325 Polychaeta 1326 Malacostraca Mysida Mysidae Paramysis intermedia 1327 Malacostraca Mysida Mysidae Paramysis lacustris 1328 Clitellata Haplotaxida Naididae Paranais botniensis 1329 Clitellata Haplotaxida Naididae Paranais frici 1330 Clitellata Haplotaxida Naididae Paranais litoralis 1331 Polychaeta Orbiniida Paraonidae Paraonis fulgens 1332 Insecta Lepidoptera Pyralidae Parapoynx stratiotata Smittinidae Parasmittina trispinosa Paratanytarsus austriacus Paratanytarsus dissimilis Paratanytarsus grimmii Paratanytarsus inopertus Paratanytarsus lauterborni Gymnol1333 aemata Cheilostomatida X X X X X X X X X X X X X X X X X X X X X X X Diptera Chironomidae 1336 Insecta Diptera Chironomidae 1337 Insecta Diptera Chironomidae 1338 Insecta Diptera Chironomidae 1339 Insecta Diptera Chironomidae Paratanytarsus natvigi X 1340 Insecta Diptera Chironomidae X 1341 Insecta Diptera Chironomidae Paratanytarsus quintuplex Paratendipes albimanus Malacos1342 traca Amphipoda Pariambidae Pariambus typicus Chironomidae Parorthocladius nudipennis 1344 Bivalvia 1346 Bivalvia 1347 Bivalvia 1348 Bivalvia Malacos1349 traca Decapoda Cardiidae Parvicardium exiguum Cardiidae Parvicardium hauniense Parvicardium minimum Parvicardium pinnulatum Cardiidae Cardiidae X X X X X X X X X Rhynchobdellida Piscicolidae Pawlowskiella stenosa Haloclavidae Peachia cylindrica X 1352 Bivalvia Ostreoida Pectinidae Pecten maximus X Forcipulatida Pedicellasteridae Pedicellaster typicus 1356 Coloniales Pedicellinidae Pedicellina cernua 1357 Clitellata Haplotaxida Tubificidae Peipsidrilus pusillus Styelidae Pelonaia corrugata 1359 Insecta Diptera Chironomidae Pelopia punctipennis 1360 Clitellata Haplotaxida Tubificidae Peloscolex ferox 1361 Clitellata Haplotaxida Tubificidae Peloscolex multisetosus X X X X X Pectinaria (Amphictene) X X X auricoma Pectinaria (Pectinaria) X X X X belgica 1355 Asteroidea X X X X X X X X X X Actiniaria Pectinariidae X X X X X X X X X X 1351 Anthozoa Terebellida X X X X X X Pasiphaea sivado 1354 Polychaeta X X Pasiphaeidae Pectinariidae X X X X X X X Parvicardium scabrum X X X X X X Terebellida X X 1350 Clitellata 1358 Ascidiacea X Cardiidae 1353 Polychaeta X X X X X X 1335 Insecta 1345 Bivalvia X X X X X X X X X X X X X X Chironomidae Diptera X X Diptera Euheterodonta incertae sedis Euheterodonta incertae sedis Euheterodonta incertae sedis Euheterodonta incertae sedis Euheterodonta incertae sedis X X 1334 Insecta 1343 Insecta 182 Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 1362 Gastropoda Hypsogastropoda Eulimidae Pelseneeria stylifera X 1363 Insecta Coleoptera Haliplidae Peltodytes caesus Penetrantiidae Penetrantia concharum X X X X Gymnol1364 aemata Ctenostomatida 1365 Anthozoa Pennatulacea Pennatulidae Pennatula phosphorea X 1366 Insecta Diptera Chironomidae Pentapedilum exectum 1367 Polychaeta Phyllodocida Nereididae Perinereis cultrifera X X 1368 Malacostraca Amphipoda Oedicerotidae Perioculodes longimanus X X 1369 Malacostraca Amphipoda Lysianassidae Perrierella audouiniana X 1370 Malacostraca Decapoda Callianassidae Pestarella tyrrhena X Maldanidae Petaloproctus borealis Maldanidae Petaloproctus tenuis X X 1371 Polychaeta Capitellida 1372 Polychaeta 1373 Malacostraca Pseudocumatidae Petalosarsia declivis Euheterodonta incertae sedis Petricolidae Petricolaria pholadiformis 1375 Polychaeta Terebellida Pectinariidae Petta pusilla 1376 Insecta Diptera Chironomidae Phaenopsectra flavipes 1374 Bivalvia Cumacea X X X X X X X X X Gymnol1377 aemata Cheilostomatida Escharinidae Phaeostachys spinifera 1378 Sipunculidea Golfingiida Phascolionidae 1379 Sipunculidea Golfingiida Phascolionidae Phascolion (Isomya) X tuberculosum Phascolion X X (Phascolion) strombus 1380 Bivalvia Euheterodonta incertae sedis Pharidae Phaxas pellucidus 1381 Polychaeta Flabelligerida Flabelligeridae Pherusa flabellata 1382 Polychaeta Flabelligerida Flabelligeridae Pherusa plumosa X X X X X X X X X X 1383 Gastropoda Cephalaspidea Philinidae Philine aperta X X X X X X X X X X 1384 Gastropoda Cephalaspidea Philinidae Philine scabra X X X X X X X X X X X X X X X X X X X X X X 1385 Malacostraca Decapoda Crangonidae Philocheras bispinosus X X 1386 Malacostraca Decapoda Crangonidae Philocheras bispinosus X bispinosus X 1387 Malacostraca Decapoda Crangonidae Philocheras echinulatus 1388 Malacostraca Decapoda Crangonidae Philocheras trispinosus 1389 Polychaeta Phyllodocida Pholoidae Pholoe assimilis X X X X X X X X X X 1390 Polychaeta Phyllodocida Pholoidae Pholoe baltica X X X X X X X X X X X 1391 Polychaeta Phyllodocida Pholoidae Pholoe inornata X X X X X X X X X X X 1392 Polychaeta Phyllodocida Pholoidae Pholoe minuta X 1393 Polychaeta Phyllodocida Pholoidae X X X X X X X Pholoe pallida X X 1394 Phoronis muelleri X X X X 1395 Phoronis pallida X 1396 Malacostraca Amphipoda Photidae Photis longicaudata X X 1397 Malacostraca Amphipoda Photidae Photis reinhardi X X X X Phoxichilidiidae Phoxichilidium femoratum X 1398 Pycnogonida Pantopoda Malacos1399 traca Amphipoda Phoxocephalidae Phoxocephalus holbolli 1400 Insecta Trichoptera Phryganeidae Phryganea bipunctata 1401 Insecta Trichoptera Phryganeidae Phryganea grandis Malacos1402 traca Amphipoda Caprellidae Phtisica marina X X X X X X X X X X X X X X X X X X X X X X X X X X X X 183 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name 1403 Polychaeta Phyllodocida Phyllodocidae Phyllodoce (Anaitides) X X X X X X X groenlandica 1404 Polychaeta Phyllodocida Phyllodocidae Phyllodoce citrina X X X 1405 Polychaeta Phyllodocida Phyllodocidae Phyllodoce laminosa 1406 Polychaeta Phyllodocida Phyllodocidae Phyllodoce lineata X X 1407 Polychaeta Phyllodocida Phyllodocidae Phyllodoce longipes X X X X 1408 Polychaeta Phyllodocida Phyllodocidae Phyllodoce maculata X X X X X X X X X X X X 1409 Polychaeta Phyllodocida Phyllodocidae Phyllodoce mucosa X X X X X X X X X X X X 1410 Polychaeta Phyllodocida Phyllodocidae Phyllodoce rosea X X 1411 Polychaeta X X X X X X Orbiniidae Phylo norvegicus 1412 Gastropoda Basommatophora Physidae Physa fontinalis 1413 Clitellata Haplotaxida Naididae Piguetiella blanci Decapoda Pinnotheridae Pinnotheres pisum 1415 Clitellata Rhynchobdellida Piscicolidae Piscicola annae X 1416 Clitellata Rhynchobdellida Piscicolidae Piscicola borowieci X 1417 Clitellata Rhynchobdellida Piscicolidae Piscicola geometra 1418 Clitellata Rhynchobdellida Piscicolidae Piscicola margaritae 1419 Clitellata Rhynchobdellida Piscicolidae Piscicola pojmanskae 1420 Clitellata Rhynchobdellida Piscicolidae Piscicola pomorskii 1421 Clitellata Rhynchobdellida Piscicolidae Piscicola wiktori Malacos1422 traca Decapoda Porcellanidae Pisidia longicornis X X 1414 Malacostraca X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Veneroidea Sphaeriidae 1424 Bivalvia Veneroidea Sphaeriidae Pisidium amnicum 1425 Bivalvia Veneroidea Sphaeriidae Pisidium casertanum 1426 Bivalvia Veneroidea Sphaeriidae Pisidium crassum 1427 Bivalvia Veneroidea Sphaeriidae Pisidium henslowanum 1428 Bivalvia Veneroidea Sphaeriidae Pisidium hibernicum X 1429 Bivalvia Veneroidea Sphaeriidae Pisidium lilljeborgii X 1430 Bivalvia Veneroidea Sphaeriidae Pisidium milium 1431 Bivalvia Veneroidea Sphaeriidae Pisidium moitessierianum X 1432 Bivalvia Veneroidea Sphaeriidae Pisidium nitidum X X X Veneroidea Sphaeriidae Pisidium obtusale Veneroidea Sphaeriidae Pisidium personatum 1435 Bivalvia Veneroidea Sphaeriidae Pisidium ponderosum 1436 Bivalvia Veneroidea Sphaeriidae Pisidium pseudosphaerium 1437 Bivalvia Euheterodonta incertae sedis Pisidiidae Pisidium pulchellum 1438 Bivalvia Veneroidea Sphaeriidae Pisidium subtruncatum 1439 Bivalvia Veneroidea Sphaeriidae Pisidium supinum 1440 Bivalvia Veneroidea Sphaeriidae Pisidium tenuilineatum 1441 Polychaeta Phyllodocida Pisionidae Pisione remota X X 1442 Polychaeta Terebellida Terebellidae Pista cristata X 1443 Polychaeta Terebellida Terebellidae Pista lornensis X 1444 Gastropoda Sacoglossa Stiligeridae Placida dendritica 1445 Clitellata Rhynchobdellida Piscicolidae Placobdella costata Rhabdocoela Placorhynchidae Placorhynchus octaculeatus Diastroporidae Plagioecia patina 1448 Rhabditophora Seriata Plagiostomidae Plagiostomum lemani X X X X X X X X X X X 1433 Bivalvia Cyclostomatida X X 1434 Bivalvia Stenolaemata X X X X X X X X X X X X X X X 1423 Bivalvia 1447 X X X Pisidium (Conventus) conventus Rhabdi1446 tophora 184 Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species 1449 Rhabditophora Seriata Planariidae Planaria torva 1450 Gastropoda Basommatophora Planorbidae Planorbarius corneus 1451 Gastropoda Basommatophora Planorbidae Planorbis carinatus 1452 Gastropoda Basommatophora Planorbidae Planorbis planorbis 1453 Insecta Coleoptera Dytiscidae Platambus maculatus Amphipoda Talitridae Platorchestia platensis 1455 Insecta Odonata Platycnemididae Platycnemis pennipes 1456 Polychaeta Phyllodocida Nereididae Platynereis dumerilii 1457 Insecta Hemiptera Pleidae Plea leachi 1458 Insecta Hemiptera Pleaidae Plea minutissima 1459 Insecta Trichoptera Polycentropodidae Plectrocnemia conspersa 1454 Malacostraca Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X Paramunnidae Pleurogonium spinosissimum 1462 Phylactolaemata Plumatellida Plumatellidae Plumatella fruticosa 1463 Phylactolaemata Plumatellida Plumatellidae Plumatella fungosa 1464 Phylactolaemata Plumatellida Plumatellidae Plumatella repens X Hesionidae Podarkeopsis helgolandica X X Anthoathecata Hydractiniidae Podocoryne carnea X X Anomiidae X 1468 Polychaeta Spionida Poecilochaetidae Pododesmus patelliformis Poecilochaetus serpens 1469 Gastropoda Hypsogastropoda Naticidae Polinices pulchella X Styelidae Polycarpa fibrosa X Polycelis nigra Polycelis tenuis X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Trichoptera Polycentropodidae 1474 Gastropoda Nudibranchia Polyceridae Polycera quadrilineata X 1475 Polychaeta Terebellida Terebellidae Polycirrus medusa X X X X X X X 1476 Polychaeta Terebellida Terebellidae Polycirrus norvegicus X X X X X X X X X Terebellida Terebellidae Polycirrus plumosus 1478 Ascidiacea Enterogona Polyclinidae Polyclinum aurantium X 1479 Polychaeta Spionida Spionidae Polydora ciliata X X X X X X X X 1480 Polychaeta Spionida Spionidae Polydora cornuta X X X X X X X 1481 Polychaeta Spionida Spionidae Polydora limicola X X X 1482 Polychaeta Polychaeta incertae sedis Polygordiidae Polygordius lacteus X Polymastiidae Polymastia boletiformis X X X X X X X 1477 Polychaeta Polypedilum (Polypedilum) nubeculosum Polypedilum bicrenatum Polypedilum convictum Polypedilum cultellatum X X X 1473 Insecta Hadromerida X X X X X X X X X X Polycentropus flavomaculatus Demospon1483 giae X X Pteriomorpha incertae sedis Planariidae X X 1467 Bivalvia Seriata X X X 1466 Hydrozoa Rhabditophora X X X X X X X Isopoda 1472 X X X X Malacostraca Planariidae X X X 1461 Seriata X X X X Pleurogonium rubicundum Rhabditophora X X X X X X X X Paramunnidae 1471 X X Isopoda 1470 Ascidiacea X X X X X Malacostraca Phyllodocida X X X 1460 1465 Polychaeta X X X X X X X X X X X X X X X X X X X X X X X X X X 1484 Insecta Diptera Chironomidae X X X X X 1485 Insecta Diptera Chironomidae 1486 Insecta Diptera Chironomidae X X X 1487 Insecta Diptera Chironomidae 1488 Insecta Diptera Chironomidae Polypedilum pullum X X X X 1489 Insecta Diptera Chironomidae Polypedilum scalaenum X X 1490 Insecta Diptera Chironomidae Polypedilum sordens X X X X X X X X X X X 185 HELCOM Checklist for Baltic Sea Invertebrate Species 1491 Polychaeta Opheliida Scalibregmidae Nemertina 1492 incertae sedis 1493 Clitellata Polyphysia crassa Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon X X X Pontobdella muricata Amphipoda Oedicerotidae Pontocrates altamarinus Malacostraca Amphipoda Oedicerotidae Pontocrates arenarius X 1496 Malacostraca Amphipoda Pontogammaridae Pontogammarus robustoides 1497 Malacostraca Decapoda Crangonidae Pontophilus norvegicus X 1498 Malacostraca Decapoda Crangonidae Pontophilus spinosus X 1499 Malacostraca Amphipoda Pontoporeiidae Pontoporeia femorata X 1495 X X X Polystemma rosea Piscicolidae Malacos1494 traca Rhynchobdellida X X Valvatida Poraniidae Gymnol1501 aemata Cheilostomatida Bryocryptellidae Porella compressa X 1502 Gymnolaemata Cheilostomatida Bryocryptellidae Porella concinna X 1503 Gymnolaemata Cheilostomatida Bryocryptellidae Porella laevis X 1504 Gymnolaemata Cheilostomatida Bryocryptellidae Porella patula X Ephemeroptera Potamanthidae Potamanthus luteus 1506 Polychaeta Sabellida Sabellidae Potamilla neglecta X X X X X X X X X 1507 Polychaeta Sabellida Sabellidae Potamilla reniformis 1508 Gastropoda Hypsogastropoda Hydrobiidae Potamopyrgus antipodarum 1509 Clitellata Haplotaxida Tubificidae Potamothrix bavaricus 1510 Clitellata Haplotaxida Tubificidae Potamothrix bedoti 1511 Clitellata Haplotaxida Tubificidae Potamothrix hammoniensis X X 1512 Clitellata Haplotaxida Tubificidae Potamothrix heuscheri X X 1513 Clitellata Haplotaxida Tubificidae 1514 Clitellata Haplotaxida Tubificidae Potamothrix moldaviensis Potamothrix vejdovskyi 1515 Insecta Diptera Chironomidae Potthastia longimanus Malacos1516 traca Mysida Mysidae Praunus flexuosus X 1517 Malacostraca Mysida Mysidae Praunus inermis 1518 Malacostraca Mysida Mysidae Capitellida X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Praunus neglectus X X X X X Maldanidae Praxillella affinis X X 1520 Polychaeta Capitellida Maldanidae Praxillella praetermissa X X X X 1521 Polychaeta Capitellida Maldanidae Praxillura longissima X X X Priapulidae Priapulus caudatus X X X X X X X X Prionospio (Prionospio) dubia Prionospio (Prionospio) steenstrupi Prionospio banyulensis X 1522 Priapulida X X X X X X X X X X X X X X X X X X 1500 Asteroidea 1505 Insecta X X Porania (Porania) pulvillus 1519 Polychaeta 186 Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 1523 Polychaeta Spionida Spionidae 1524 Polychaeta Spionida Spionidae 1525 Polychaeta Spionida Spionidae 1526 Polychaeta Spionida Spionidae Prionospio cirrifera X X 1527 Polychaeta Spionida Spionidae Prionospio fallax X X X X X X 1528 Polychaeta Spionida Spionidae Prionospio malmgreni X X X X 1529 Clitellata Haplotaxida Naididae Pristina aequiseta X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 1530 Clitellata Haplotaxida Naididae 1531 Clitellata Haplotaxida Naididae Pristina foreli X 1532 Clitellata Haplotaxida Tubificidae Pristina longiseta X 1533 Clitellata Haplotaxida Naididae Pristinella rosea X Malacos1534 traca Isopoda Asellidae Proasellus coxalis 1535 Polychaeta Phyllodocida Syllidae Proceraea cornuta 1536 Polychaeta Phyllodocida Syllidae Proceraea prismatica X Rhabdi1537 tophora Seriata Procerodidae Procerodes littoralis X X X X X X X X 1538 Rhabditophora Seriata Procerodidae Procerodes ulvae 1539 Malacostraca Decapoda Processidae Processa canaliculata X 1540 Malacostraca Decapoda Processidae Processa nouveli holthuisi X 1541 Insecta Diptera Chironomidae 1542 Insecta Diptera Chironomidae 1543 Insecta Diptera Chironomidae X Pristinella bilobata X X X X X X X X X Procladius choreus X Ephemeroptera Baetidae Procloeon bifidum X Chironomidae Prodiamesa olivacea X 1546 Clitellata Haplotaxida Enchytraeidae Propappus glandulosus 1547 Clitellata Haplotaxida Propappidae Propappus volki 1548 Gastropoda Neogastropoda Conidae Propebela turricula 1549 Enopla Hoplonemertea Tetrastemmatidae Prostoma graecense 1550 Anthozoa Actiniaria Gonactiniidae Protanthea simplex 1551 Polychaeta Eunicida Dorvilleidae 1552 Polychaeta Polychaeta incertae sedis Protodrilidae Protodorvillea kefersteini Protodriloides chaetifer 1553 Hydrozoa Anthoathecata Protohydridae Protohydra leuckarti Malacos1554 traca Amphipoda Ischyroceridae Protomedeia fasciata 1555 Echinoidea Echinoida Echinidae Psammechinus miliaris X X X X Psammodrilidae Psammodrilus balanoglossoides Psammoryctides albicola Psammoryctides barbatus Psectrocladius barbimanus X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Haplotaxida Tubificidae 1558 Clitellata Haplotaxida Tubificidae 1559 Insecta Diptera Chironomidae 1560 Insecta Diptera Chironomidae Psectrocladius bisetus X 1561 Insecta Diptera Chironomidae Psectrocladius limbatellus X 1562 Insecta Diptera Chironomidae Psectrocladius obvius X X Psectrocladius psilopterus Psectrocladius simulans Psectrocladius sordidellus X X X X X X X X X X X X 1563 Insecta Diptera Chironomidae 1564 Insecta Diptera Chironomidae 1565 Insecta Diptera Chironomidae 1566 Insecta Diptera Chironomidae Psectrotanypus varius 1567 Bivalvia Ostreoida Pectinidae X 1568 Bivalvia Unionoida Unionidae Pseudamussium peslutrae Pseudanodonta complanata Malacos1569 traca Isopoda Bopyridae Pseudione borealis X Malacostraca Isopoda Bopyridae Pseudione callianassae X Diptera Chironomidae Pseudochironomus prasinatus 1571 Insecta X X Procladius (Holotanypus) ferrugineus Procladius (Psilotanypus) imicola Diptera 1570 X X 1544 Insecta 1557 Clitellata X X 1545 Insecta 1556 Polychaeta X X X X X X X X X X X X X X X X X X X X 187 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Pseudocuma (Pseudocuma) longicorne Pseudocuma (Stenocuma) graciloides 1572 Malacostraca Cumacea Pseudocumatidae 1573 Malacostraca Cumacea Pseudocumatidae 1574 Malacostraca Mysida Mysidae Pseudomma affine 1575 Rhabditophora Seriata Monocelididae Pseudomonocelis agilis Pseudopolydora antennata Pseudopolydora paucibranchiata Pseudopolydora pulchra Pseudopotamilla reniformis X X X X X X X X 1576 Polychaeta Spionida Spionidae 1577 Polychaeta Spionida Spionidae 1578 Polychaeta Spionida Spionidae 1579 Polychaeta Sabellida Sabellidae Malacos1580 traca Amphipoda Caprellidae Pseudoprotella phasma X X X X X Pseudothyone raphanus X 1582 Holothuroidea Dendrochirotida Psolidae Psolus phantapus X X 1583 Holothuroidea Dendrochirotida Psolidae Psolus squamatus X Psychomyiidae Psychomyia pusilla Puncturella noachina X X X X X X 1586 Gastropoda Hypsogastropoda Rissoidae Pusillina inconspicua 1587 Gastropoda Hypsogastropoda Rissoidae Pusillina sarsi X X X 1588 Pycnogonida Pantopoda Pycnogonidae Pycnogonum litorale X 1589 Polychaeta Spionida Spionidae Pygospio elegans X X X X X X X X X X X X X X X X X X Gymnol1590 aemata Cheilostomatida Electridae Pyripora catenularia X 1591 Gastropoda Basommatophora Lymnaeidae Radix ampla 1592 Gastropoda Basommatophora Lymnaeidae Radix auricularia X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 1593 Gastropoda Basommatophora Lymnaeidae Radix balthica Basommatophora Lymnaeidae Radix labiata Gymnol1595 aemata Cheilostomatida Romancheinidae Ragionula rosacea 1596 Insecta Hemiptera Nepidae Ranatra linearis 1597 Gastropoda Hypsogastropoda Turridae Raphitoma leufroyi X 1598 Gastropoda Hypsogastropoda Turridae Raphitoma linearis X 1599 Hydrozoa Anthoathecata Rathkeidae Rathkea octopunctata Gymnol1600 aemata Cheilostomatida Phidoloporidae Reteporella beaniana X 1601 Gastropoda Cephalaspidea Retusidae Retusa obtusa X X X X X X X X X X X 1602 Gastropoda Cephalaspidea Retusidae Retusa truncatula X X X X X X X X 1603 Insecta Coleoptera Dytiscidae Rhantus exsoletus X 1604 Insecta Coleoptera Dytiscidae Rhantus suturellus X Rheotanytarsus curtistylus Rheotanytarsus exiguus X Diptera Chironomidae 1606 Insecta Diptera Chironomidae Decapoda Panopeidae Rhithropanopeus harrisii 1607 Malacostraca X X X X Campanulariidae Rhodine gracilior X X X X X X X 1610 Polychaeta Capitellida Maldanidae Rhodine loveni X Tubificidae Rhynchelmis limosella X X X X X X X X X X X X X X Maldanidae Lumbriculidae X X X X Leptothecata Haplotaxida X X X X Capitellida Lumbriculida X X X X X X 1609 Polychaeta 1611 Clitellata X X X 1608 Hydrozoa 1612 Clitellata X X X X X Rhizocaulus verticillatus Rhyacodrilus coccineus X X X 1594 Gastropoda 1605 Insecta X X Cucumariidae Fissurellidae X X X X X X X X Dendrochirotida Trichoptera X X Holothuroidea 1585 Gastropoda X X X 1581 1584 Insecta 188 Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 1613 Clitellata Haplotaxida Tubificidae Ripistes parasita 1614 Gastropoda Hypsogastropoda Rissoidae Rissoa membranacea X X X X X X X X 1615 Gastropoda Hypsogastropoda Rissoidae Rissoa parva X 1616 Gastropoda Littorinimorpha Rissoidae Rissoa sarsii X X X 1617 Gastropoda Hypsogastropoda Rissoidae Rissoa violacea 1618 Gastropoda Cephalaspidea Cylichnidae Roxania utriculus X 1619 Polychaeta Sabellida Sabellidae Sabella pavonina X 1620 Polychaeta Sabellida Sabellidae Sabella spallanzanii X 1621 Polychaeta Terebellida Ampharetidae Sabellides octocirrata X Isopoda Chaetiliidae Saduria entomon 1623 Anthozoa Actiniaria Sagartiidae Sagartia elegans 1624 Anthozoa Actiniaria Sagartiidae Sagartia troglodytes 1625 Anthozoa Actiniaria Sagartiidae X 1626 Anthozoa Actiniaria Sagartiidae Sagartiogeton laceratus Sagartiogeton undatus Sagartiogeton viduatus 1622 Malacostraca X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 1627 Anthozoa Actiniaria Sagartiidae 1628 Polychaeta Terebellida Ampharetidae Samytha sexcirrata X 1629 Anthozoa Alcyonacea Clavulariidae Sarcodictyon roseum X 1630 Hydrozoa Anthoathecata Corynidae Sarsia tubulosa X X 1631 Bivalvia Euheterodonta incertae sedis Hiatellidae Saxicavella jeffreysi X 1632 Polychaeta Opheliida Scalibregmidae Scalibregma inflatum X X X X X X X X 1633 Maxillopoda Pedunculata Scalpellidae Scalpellum scalpellum X 1634 Gastropoda Cephalaspidea Cylichnidae 1635 Polychaeta Eunicida Dorvilleidae Scaphander punctostriatus Schistomeringos eliasoni X X X X X X X X X X X 1636 Malacostraca Mysida Mysidae Schistomysis ornata X X X 1637 Malacostraca Mysida Mysidae Schistomysis spiritus X X X X 1638 Gymnolaemata Cheilostomatida Bitectiporidae Schizomavella linearis X 1639 Polychaeta Spionida Spionidae X X X X X X X 1640 Polychaeta Spionida Spionidae Scolelepis (Scolelepis) foliosa Scolelepis (Scolelepis) squamata 1641 Polychaeta Spionida Spionidae Scolelepis bonnieri X 1642 Polychaeta Spionida Spionidae Scolelepis tridentata X 1643 Polychaeta Orbiniida Orbiniidae Scoloplos (Scoloplos) armiger X X X X X X X X X X X Malacos1644 traca Amphipoda Scopelocheiridae Scopelocheirus hopei X 1645 Bivalvia Euheterodonta incertae sedis Scrobiculariidae Scrobicularia plana X X X X X X Gymnol1646 aemata Cheilostomatida Scrupariidae Scruparia ambigua X X 1647 Gymnolaemata Cheilostomatida Scrupariidae Scruparia chelata X X 1648 Gymnolaemata Cheilostomatida Candidae Scrupocellaria reptans X X 1649 Gymnolaemata Cheilostomatida Candidae Scrupocellaria scabra X 1650 Gymnolaemata Cheilostomatida Candidae Scrupocellaria scruposa X 1651 Caudofoveata Chaetodermatida Limifossoridae Scutopus ventrolineatus X 1652 Gymnolaemata Cheilostomatida Flustridae Securiflustra securifrons X Pulmonata Planorbidae Segmentina nitida 1653 Gastropoda X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 189 HELCOM Checklist for Baltic Sea Invertebrate Species 190 Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution 1654 Maxillopoda Sessilia Archeobalanidae Semibalanus balanoides 1655 Insecta Ephemeroptera Ephemerellidae Serratella ignita 1656 Hydrozoa Leptothecata Sertulariidae Sertularella rugosa X X X 1657 Hydrozoa Leptothecata Sertulariidae Sertularia cupressina X X X X X X 1658 Hydrozoa Leptothecata Sertulariidae Sertularia tenera X 1659 Insecta Megaloptera Sialidae Sialis lutaria 1660 Polychaeta Phyllodocida Sigalionidae Sigalion mathildae 1661 Insecta Hemiptera Corixidae Sigara distincta X 1662 Insecta Hemiptera Corixidae Sigara falleni X 1663 Insecta Hemiptera Corixidae Sigara fossarum 1664 Insecta Hemiptera Corixidae Sigara semistriata 1665 Insecta Hemiptera Corixidae Sigara striata 1666 Polychaeta Phyllodocida Phyllodocidae Sige fusigera Siphonoecetes (Centraloecetes) kroyeranus Siphonoecetes (Centraloecetes) striatus 1667 Malacostraca Amphipoda Corophiidae 1668 Malacostraca Amphipoda Ischyroceridae 1669 Gastropoda Hypsogastropoda Skeneopsidae Skeneopsis planorbis 1670 Clitellata Haplotaxida Naididae Slavina appendiculata X X X X X X X X X X X X X X X X X X X X X Cheilostomatida Smittinidae Smittina bella X 1672 Gymnolaemata Cheilostomatida Smittinidae Smittoidea reticulata X 1673 Malacostraca Amphipoda Lysianassidae Socarnes vahlii 1674 Asteroidea Velatida Solasteridae Solaster endeca 1675 Insecta Odonata Corduliidae 1676 Insecta Odonata Corduliidae Somatochlora flavomaculata Somatochlora metallica 1677 Polychaeta Terebellida Ampharetidae Sosane sulcata X 1678 Echinoidea Spatangoida Spatangidae Spatangus purpureus X X X X X X Haplotaxida Naididae Specaria josinae X 1680 Bivalvia Euheterodonta incertae sedis Pisidiidae Sphaerium corneum X 1681 Bivalvia Veneroidea Sphaeriidae Sphaerium rivicola 1682 Bivalvia Veneroidea Sphaeriidae Sphaerium solidum Sphaerodoropsis baltica Sphaerodoropsis disticha Sphaerodoropsis flavum Sphaerodoropsis minuta Sphaerodoropsis philippi Sphaerodoridae Phyllodocida Sphaerodoridae 1685 Polychaeta Phyllodocida Sphaerodoridae X X 1679 Clitellata Phyllodocida X X Gymnolaemata 1684 Polychaeta X X 1671 1683 Polychaeta X X X X X X X X X X X X X X 1686 Polychaeta Phyllodocida Sphaerodoridae 1687 Polychaeta Phyllodocida Sphaerodoridae X X X 1688 Polychaeta Phyllodocida Sphaerodoridae Sphaerodorum gracilis X X X X X X X X X X 1689 Polychaeta Phyllodocida Syllidae Sphaerosyllis hystrix 1690 Polychaeta Spionida Spionidae Spio armata X X 1691 Polychaeta Spionida Spionidae Spio decoratus 1692 Polychaeta Spionida Spionidae Spio filicornis X X X X X X X X 1693 Polychaeta Spionida Spionidae Spio goniocephala X X X X X X X 1694 Polychaeta Spionida Spionidae Spio martinensis X X X X X X X X X X X X 1695 Polychaeta Spionida Chaetopteridae Spiochaetopterus typicus X X 1696 Polychaeta Spionida Spionidae Spiophanes bombyx X X X X X X 1697 Polychaeta Spionida Spionidae Spiophanes kroyeri X X 1698 Clitellata Haplotaxida tubificidae Spiridion insigne X X X X X X X X X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species 1699 Polychaeta Malacos1700 traca Sabellida Decapoda Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution Serpulidae Spirobranchus triqueter X Hippolytidae Spirontocaris lilljeborgii X Spirorbis (Spirorbis) corallinae Spirorbis (Spirorbis) spirorbis Spirorbis (Spirorbis) tridentatus 1701 Polychaeta Sabellida Spirorbidae 1702 Polychaeta Sabellida Spirorbidae 1703 Polychaeta Sabellida Spirorbidae 1704 Polychaeta Sabellida Spirorbidae Spirorbis granulatus 1705 Clitellata Haplotaxida tubificidae Spirosperma velutinus X X X X X X X X X X X X X X Mactridae Spisula solida X X X X Mactridae Spisula subtruncata X X X X X Haplosclerida Spongillidae Spongilla lacustris 1710 Gastropoda Basommatophora Lymnaeidae Stagnicola corvus 1711 Gastropoda Basommatophora Lymnaeidae Stagnicola palustris 1712 Insecta Diptera Chironomidae Stempellinella minor Polypla1713 cophora Chitonida Ischnochitonidae Stenosemus albus 1709 Demospongiae X X X X X X X X X X X X X X X X X X Stenothoe monoculoides 1715 Malacostraca Amphipoda Stenothoidae Stenula rubrovittata 1716 Polychaeta Phyllodocida Sigalionidae Sthenelais boa X 1717 Polychaeta Phyllodocida Sigalionidae Sthenelais limicola X 1718 Asteroidea Forcipulatida Stichasteridae Stichastrella rosea X 1719 Insecta Diptera Chironomidae 1720 Insecta Diptera Chironomidae 1721 Insecta Diptera Chironomidae 1722 Insecta Diptera Chironomidae Stictochironomus crassiforceps Stictochironomus psammophilus Stictochironomus rosenschoeldi Stictochironomus sticticus X X X X X X X X X X X X X X X Stomachetosellidae Stomachetosella sinuosa X Actiniaria Actinostolidae Stomphia coccinea X X Terebellida Terebellidae Streblosoma intestinale X X 1726 Polychaeta Spionida Spionidae Streblospio shrubsoli X X X X X X X X X X X 1727 Polychaeta Phyllodocida Syllidae Streptosyllis websteri X X X X X X X X X X X X 1728 Echinoidea Echinoida Strongylocentrotidae Strongylocentrotus droebachiensis X X X X 1729 Ascidiacea Styelidae Styela coriacea X X X X 1730 Ascidiacea Styelidae Styela rustica X X X X X X 1731 Clitellata Haplotaxida Tubificidae Stylaria fossularis Haplotaxida Tubificidae Stylaria lacustris X Polycladida Stylochoplanidae Stylochoplana maculata X Lumbriculida Lumbriculidae Stylodrilus heringianus Polycladida Euryleptidae Stylostomum ellipse Odonata Gomphidae Stylurus flavipes Rhabditophora 1734 Clitellata 1735 Rhabditophora 1736 Insecta X X X X X X X X X X 1732 Clitellata 1733 X X X Stenothoidae 1725 Polychaeta X X Amphipoda 1724 Anthozoa X X X Malacostraca Cheilostomatida X X X 1714 Gymnol1723 aemata X X Spisula elliptica 1708 Bivalvia X X X Mactridae 1707 Bivalvia X X Euheterodonta incertae sedis Euheterodonta incertae sedis Euheterodonta incertae sedis 1706 Bivalvia X X X X X X X X X X X X X X X X X X X X X 1737 Demospongiae Hadromerida Suberitidae Suberites ficus X 1738 Demospongiae Hadromerida Suberitidae Suberites virgultosus X 1739 Anthozoa Alcyonacea Plexauridae Swiftia rosea X 1740 Calcarea Leucosolenida Sycettidae Sycon ciliatum X X X X X X 191 HELCOM Checklist for Baltic Sea Invertebrate Species Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name 1741 Polychaeta Phyllodocida Syllidae Syllides longocirratus 1742 Polychaeta Phyllodocida Hesionidae Syllidia armata X X X X 1743 Polychaeta Phyllodocida Syllidae Syllis armillaris X X X 1744 Polychaeta Phyllodocida Syllidae Syllis cornuta X 1745 Polychaeta Phyllodocida Syllidae Syllis variegata X 1746 Insecta Odonata Lestidae Sympecma paedisca X 1747 Insecta Odonata Libellulidae Sympetrum danae X 1748 Insecta Odonata Libellulidae Sympetrum flaveolum X 1749 Insecta Odonata Libellulidae Sympetrum striolatum X 1750 Insecta X Odonata Libellulidae Sympetrum vulgatum X X Malacos1751 traca Amphipoda Oedicerotidae Synchelidium haplocheles 1752 Malacostraca Amphipoda Oedicerotidae Synchelidium maculatum X 1753 Malacostraca Amphipoda Oedicerotidae Synchelidium tenuimanum X 1754 Insecta Diptera Chironomidae Synendotendipes impar 1755 Ascidiacea Enterogona Polyclinidae Synoicum pulmonaria 1756 Insecta Diptera Chironomidae Synorthocladius semivirens X X X X X X X Amphipoda Talitridae Talitrus saltator 1758 Malacostraca Tanaidacea Nototanaidae Tanaissus lilljeborgi 1759 Gymnolaemata Ctenostomatida Arachnidiidae Tanganella muelleri 1760 Insecta Diptera Chironomidae Tanypus kraatzi 1761 Insecta Diptera Chironomidae Tanypus vilipennis X 1762 Insecta Diptera Chironomidae Tanytarsus brundini X 1763 Insecta Diptera Chironomidae Tanytarsus chinyensis X 1764 Insecta Diptera Chironomidae Tanytarsus eminulus X 1765 Insecta Diptera Chironomidae Tanytarsus excavatus X 1766 Insecta Diptera Chironomidae Tanytarsus gr. lestagei X 1767 Insecta Diptera Chironomidae Tanytarsus gregarius 1768 Insecta Diptera Chironomidae Tanytarsus inaequalis X 1769 Insecta Diptera Chironomidae Tanytarsus mancus X 1770 Insecta Diptera Chironomidae Tanytarsus medius X 1771 Insecta Diptera Chironomidae Tanytarsus mendax X 1772 Insecta Diptera Chironomidae Tanytarsus occultus X 1773 Insecta Diptera Chironomidae X 1774 Insecta Diptera Chironomidae Tanytarsus pallidicornis Tanytarsus smolandicus 1775 Insecta Diptera Chironomidae Tanytarsus usmaensis X 1776 Insecta Diptera Chironomidae Tanytarsus verralli Lottiidae Tectura virginea X Calloporidae Tegella unicornis X X X Montacutidae Tellimya ferruginosa X X X X Gymnolaemata 1779 Bivalvia 1780 Bivalvia 1781 Bivalvia 1782 Bivalvia 1783 Bivalvia 1784 Bivalvia Cheilostomatida Euheterodonta incertae sedis Euheterodonta incertae sedis X X Malacostraca 1778 X X 1757 1777 Gastropoda 192 Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Montacutidae Tellimya tenella X Veneroida Tellinidae Tellina donacina X X Euheterodonta incertae sedis Euheterodonta incertae sedis Euheterodonta incertae sedis Tellinidae Tellina fabula X X X X X Tellinidae Tellina pygmaea X X Tellinidae Tellina tenuis X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species 1785 Insecta Diptera Chironomidae Telmatogeton japonicus Gymnol1786 aemata Cheilostomatida Romancheinidae Temachia microstoma Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X X X 1787 Gastropoda Nudibranchia Tergipedidae Tenellia adspersa 1788 Polychaeta Terebellida Trichobranchidae Terebellides stroemi X X X X X X X X X X 1789 Bivalvia Euheterodonta incertae sedis Teredinidae Teredo navalis X Cheilostomatida Tessaradomidae Tessaradoma boreale X Testudinalia testudinalis Tetrastemma bioculatum Tetrastemma coronatum Thalassarachna basteri Thalassodrilus prostatus X X X 1790 Gymnolaemata X X Patellogastropoda Lottiidae 1792 Enopla Hoplonemertea Tetrastemmatidae 1793 Enopla Hoplonemertea Tetrastemmatidae 1794 Arachnida Acarina Halacaridae 1795 Clitellata Haplotaxida Tubificidae 1796 Polychaeta Spionida Cirratulidae Tharyx mcintoshi 1797 Polychaeta Terebellida Cirratulidae Tharyx multibranchiis 1798 Hydrozoa Anthoathecata Ptilocodiidae Thecocodium quadratum 1799 Polychaeta Terebellida Terebellidae Thelepus cincinnatus X X Amphipoda Hyperiidae Themisto abyssorum X Cycloneritimorpha Neritidae Theodoxus fluviatilis X X Malacostraca 1801 Gastropoda 1802 Clitellata Rhynchobdellida Glossiphoniidae Theromyzon tessulatum Malacos1803 traca Decapoda Thiidae Thia scutellata X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Chironomidae 1805 Bivalvia Anomalodesmata Thraciidae Thracia convexa X 1806 Bivalvia Anomalodesmata Thraciidae Thracia papyracea X X X X X 1807 Bivalvia Anomalodesmata Thraciidae Thracia phaseolina X X X 1808 Bivalvia Anomalodesmata Thraciidae Thracia pubescens X X 1809 Bivalvia Anomalodesmata Thraciidae Thracia villosiuscula Thyasiridae Thyasira equalis X Thyasiridae Thyasira flexuosa X X X X Thyasiridae Thyasira sarsi X X X X 1812 Bivalvia X X X Diptera 1811 Bivalvia X X 1804 Insecta Euheterodonta incertae sedis Euheterodonta incertae sedis Euheterodonta incertae sedis X X X X X X X Thienemannimyia pseudocarnea 1810 Bivalvia X X X X X 1791 Gastropoda 1800 X X X X X X Holo1813 thuroidea Dendrochirotida Cucumariidae Thyone fusus 1814 Holothuroidea Dendrochirotida Phyllophoridae Thyonidium drummondii 1815 Holothuroidea Dendrochirotida Phyllophoridae Thyonidium hyalinum X X X X X 1816 Sipunculidea Golfingiida Golfingiidae Thysanocardia procera 1817 Bivalvia Euheterodonta incertae sedis Veneridae Timoclea ovata 1818 Insecta Trichoptera Psychomyiidae Tinodes waeneri Malacos1819 traca Amphipoda Lysianassidae Tmetonyx similis X X X 1820 Polyplacophora Chitonida Tonicellidae Tonicella marmorea X 1821 Polyplacophora Chitonida Tonicellidae Tonicella rubra X X X X 1822 Holothuroidea Dendrochirotida Cucumariidae Trachythyone elongata X X 1823 Polychaeta Opheliida Opheliidae Travisia forbesii X 1824 Insecta Diptera Chironomidae Tribelos intextus 1825 Polychaeta Terebellida Trichobranchidae Trichobranchus glacialis X X X X X X X X X X X X X 193 HELCOM Checklist for Baltic Sea Invertebrate Species 1826 Polychaeta Terebellida Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Trichobranchidae Trichobranchus roseus X X X 1827 Insecta Diptera Chironomidae Trichocladius inaequalis 1828 Insecta Trichoptera Phryganeidae Trichostegia minor 1829 Ascidiacea Enterogona Didemnidae Trididemnum tenerum X 1830 Insecta Diptera Chironomidae Trissocladius brevipalpis Gymnol1831 aemata Ctenostomatida Triticellidae Triticella flava X X Gymnolaemata Ctenostomatida Triticellidae Triticella pedicellata X X 1833 Gastropoda Nudibranchia Tritoniidae Tritonia hombergi X X 1834 Gastropoda Nudibranchia Tritoniidae Tritonia plebeia X 1835 Gastropoda Hypsogastropoda Triviidae Trivia arctica X 1836 Polychaeta Spionida Trochochaetidae Trochochaeta multisetosa X X X X X X X X Amphipoda Lysianassidae Tryphosites longipes X 1832 1837 194 Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution Malacostraca 1838 Clitellata Haplotaxida Tubificidae Tubifex ignotus 1839 Clitellata Haplotaxida Tubificidae Tubifex nerthus 1840 Clitellata Haplotaxida Tubificidae Tubifex newaensis 1841 Clitellata Haplotaxida Tubificidae Tubifex tubifex 1842 Clitellata Haplotaxida Tubificidae Tubificoides amplivasatus 1843 Clitellata Haplotaxida Tubificidae Tubificoides benedii 1844 Clitellata Haplotaxida Tubificidae 1845 Clitellata Haplotaxida Tubificoides heterochaetus Tubificoides pseudogaster Tubificidae 1846 Anopla Tubulanidae Tubulanus annulatus 1847 Anopla Tubulanidae Tubulanus polymorphus X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 1848 Hydrozoa Anthoathecata Tubulariidae Tubularia indivisa X Stenol1849 aemata Cyclostomatida Tubuliporidae Tubulipora aperta X 1850 Stenolaemata Cyclostomatida Tubuliporidae Tubulipora liliacea X 1851 Stenolaemata Cyclostomatida Tubuliporidae Tubulipora lobifera X 1852 Stenolaemata Cyclostomatida Tubuliporidae Tubulipora penicillata X 1853 Stenolaemata Cyclostomatida Tubuliporidae Tubulipora plumosa X 1854 Gymnolaemata Cheilostomatida Celleporidae Turbicellepora avicularis X 1855 Gastropoda Pyramidellidae Turbonilla crenata X 1856 Gastropoda Pyramidellidae Turbonilla interrupta X 1857 Gastropoda Pyramidellidae Turbonilla jeffreysi X 1858 Gastropoda Pyramidellidae Turbonilla rufescens X X X X 1859 Gastropoda Hypsogastropoda Buccinidae Turrisipho fenestratus X 1860 Gastropoda Sorbeoconcha Turritellidae Turritella communis X X X X 1861 Gastropoda Neogastropoda Conidae Typhlomangelia nivalis X X X 1862 Malacostraca Tanaidacea Typhlotanaidae Typhlotanais aequiremis 1863 Malacostraca Decapoda Dendrogastridae Ulophysema oeresundense 1864 Clitellata Haplotaxida Tubificidae Uncinais uncinata Malacos1865 traca Amphipoda Aoridae Unciola planipes 1866 Bivalvia Unionoida Unionidae Unio crassus X 1867 Bivalvia Unionoida Unionidae Unio pictorum X X X X X X X X X X X X X X X X HELCOM Checklist for Baltic Sea Invertebrate Species 1868 Bivalvia Unionoida Unionidae Unio tumidus Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdańsk Gulf of Riga Northern Baltic Proper Gulf of Finland Aland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Warnow Estuary Wismar Bay Trave Estuary Kiel Fjord Eckernförde Bay Schlei Estuary Flensburg Fjord Vistula Lagoon Szczecin Lagoon Greifswald Lagoon Rugia Lagoons Darss-Zingst Lagoon Curonian Lagoon Valid Taxon Name Family Order Class No A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF Distribution X 1869 Malacostraca Decapoda Upogebiidae Upogebia deltaura X 1870 Malacostraca Decapoda Upogebiidae Upogebia stellata X 1871 Malacostraca Amphipoda Urothoidae Urothoe elegans 1872 Malacostraca Amphipoda Urothoidae Urothoe poseidonis 1873 Anthozoa Actiniaria Actiniidae Urticina felina 1874 Gastropoda Allogastropoda Valvatidae Valvata cristata 1875 Gastropoda Allogastropoda Valvatidae Valvata macrostoma 1876 Gastropoda Allogastropoda Valvatidae Valvata piscinalis X X X X X X X X X X X X X X X X X X Haplotaxida Tubificidae Vejdovskyella comata X Naididae X 1879 Clitellata Haplotaxida Naididae Vejdovskyella intermedia Vejdovskyella macrochaeta 1880 Gastropoda Hypsogastropoda Velutinidae Velutina velutina X 1881 Bivalvia Veneroida Veneridae Venerupis senegalensis X 1882 Maxillopoda Sessilia Verrucidae Verruca stroemia X Gymnol1883 aemata Ctenostomatida Victorellidae Victorella pavida 1884 Anthozoa Pennatulacea Virgulariidae Virgularia mirabilis X X 1885 Gastropoda Hypsogastropoda Eulimidae Vitreolina philippi X Viviparidae X X X X X X X X X X X X X X X X X X X X X Viviparus contectus X X X X X Viviparidae Viviparus viviparus X X X X Halichondrida Halichondriidae Vosmaeria crustacea X X Caenogastropoda incertae sedis Caenogastropoda incertae sedis X 1889 Gymnolaemata Ctenostomatida Walkeriidae Walkeria uva 1890 Malacostraca Amphipoda Oedicerotidae Westwoodilla caecula X X 1891 Insecta Trichoptera Philopotamidae Wormaldia subnigra Malacos1892 traca Decapoda Xanthidae Xantho pilipes 1893 Insecta X X X X Haplotaxida Demospon1888 giae X X 1877 Clitellata 1887 Gastropoda X X X 1878 Clitellata 1886 Gastropoda X X Diptera 1894 Chironomidae Xenochironomus xenolabis Xenoturbellidae Xenoturbella bocki 1895 Insecta Trichoptera Leptoceridae Ylodes reuteri 1896 Bivalvia Nuculanoida Yoldiidae Yoldiella lucida 1897 Insecta Diptera Chironomidae Zalutschia mucronata 1898 Bivalvia Euheterodonta incertae sedis Pholadidae Zirfaea crispata X X X X X X X X X X X X X X X X X X X X X X X X X X X 195 7.4 Checklist for Baltic Sea fish and lamprey species HELCOM Checklist for Baltic Sea Fish and Lamprey Species Distribution 1 Myxini Cephalaspido2 morphi Cephalaspido3 morphi 4 Elasmobranchii 5 Elasmobranchii 6 Elasmobranchii 7 Elasmobranchii 8 Elasmobranchii 9 Elasmobranchii 10 Elasmobranchii 11 Elasmobranchii 12 Elasmobranchii 13 Elasmobranchii 14 Elasmobranchii 15 Elasmobranchii Myxiniformes Petromyzontiformes Petromyzontiformes Lamniformes Lamniformes Lamniformes Carcharhiniformes Carcharhiniformes Carcharhiniformes Carcharhiniformes Carcharhiniformes Carcharhiniformes Carcharhiniformes Carcharhiniformes Squaliformes X T T T T X T X T T T T T Lamna nasus Cetorhinus maximus Alopias vulpinus T T T T T T T T T T T T T T T T Scyliorhinidae Galeus melastomus T Scyliorhinidae Scyliorhinus canicula R T T Scyliorhinidae Scyliorhinus stellaris T Triakidae Galeorhinus galeus X T T Triakidae Mustelus asterias T Triakidae Mustelus mustelus Carcharhinidae Prionace glauca Verrnacular name T Rafinesque, 1810 Black-mouthed dogfish T T (Linnaeus, 1758) Lesser spotted dogfish (Linnaeus, 1758) Nursehound T T T (Linnaeus, 1758) Tope Clocquet, 1821 Starry smooth hound T (Linnaeus, 1758) Smooth hound T T T T (Linnaeus, 1758) Blue shark T (Linnaeus, 1758) Smooth hammerhead T (Linnaeus, 1758) (Bloch & Schneider, 1801) (Linnaeus, 1758) Linnaeus, 1758 Latham, 1794 (Linnaeus, 1758) Risso, 1810 Bonaparte, 1835 (Donovan, 1808) (Linnaeus, 1758) (Storm, 1881) (Linnaeus, 1758) (Müller & Henle, 1841) Linnaeus, 1758 (Linnaeus, 1758) (Linnaeus, 1758) Linnaeus, 1758 Velvet belly Cyprinidae 62 Actinopterygii 63 Actinopterygii Cypriniformes Cypriniformes Cyprinidae Cyprinidae 64 Actinopterygii Cypriniformes Cyprinidae 65 Actinopterygii Cypriniformes Cyprinidae Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Sea lamprey Porbeagle Basking shark Thresher shark Sphyrna zyganena Cypriniformes 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Linnaeus, 1758 (Bonnaterre, 1788) (Gunnerus, 1765) (Bonnaterre, 1788) T Etmopterus spinax Somniosus microcephalus Oxynotus centrina Squalus acanthias Pristis pectinata* Squatina squatina Torpedo marmorata Torpedo nobiliana Amblyraja radiata Dipturus batis Dipturus nidarosiensis Leucoraja fullonica Leucoraja naevus Raja clavata Dasyatis pastinaca Myliobatis aquila Chimaera monstrosa 61 Actinopterygii 36 Actinopterygii T T T T T T Hagfish River lamprey Sphyrnidae Somniosidae 37 Actinopterygii Linnaeus, 1758 Etmopteridae Oxynotidae Squalidae Pristidae Squatinidae Torpedinidae Torpedinidae Rajidae Rajidae Rajidae Rajidae Rajidae Rajidae Dasyatidae Myliobatidae Chimaeridae 35 Actinopterygii Author Petromyzon marinus Squaliformes 34 Actinopterygii Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdansk Curonian lagoon Gulf of Riga Northern Baltic Proper Gulf of Finland Åland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay R X T T X X X X X X X X X X X X X X X X X (Linnaeus, 1758) Squaliformes Squaliformes Pristiformes Squatiniformes Torpediniformes Torpediniformes Rajiformes Rajiformes Rajiformes Rajiformes Rajiformes Rajiformes Rajiformes Rajiformes Chimaeriformes Acipenseriformes Acipenseriformes Acipenseriformes Acipenseriformes Acipenseriformes Acipenseriformes Anguilliformes Anguilliformes Clupeiformes Clupeiformes Clupeiformes Clupeiformes Clupeiformes Clupeiformes Clupeiformes Clupeiformes Clupeiformes Clupeiformes Cypriniformes Cypriniformes Cypriniformes Cypriniformes Cypriniformes Cypriniformes Cypriniformes Cypriniformes Cypriniformes Cypriniformes Cypriniformes 32 Actinopterygii Valid Taxon Name Family Myxine glutinosa Lampetra fluviatilis 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Elasmobranchii Elasmobranchii Elasmobranchii Elasmobranchii Elasmobranchii Elasmobranchii Elasmobranchii Elasmobranchii Elasmobranchii Elasmobranchii Elasmobranchii Elasmobranchii Elasmobranchii Elasmobranchii Holocephali J K L M N O P Q R S T Myxinidae Petromyzontidae Petromyzontidae Lamnidae Cetorhinidae Alopiidae 16 Elasmobranchii 33 Actinopterygii 196 Order No Class A B C D E F G H I Acipenseridae Acipenser baeri* Acipenseridae Acipenser gueldenstaedtii* Acipenseridae Acipenser oxyrinchus Acipenseridae Acipenser ruthenus* Acipenseridae Acipenser stellatus* Acipenseridae Huso huso* Anguillidae Congridae Clupeidae Clupeidae Clupeidae Clupeidae Clupeidae Engraulidae Cyprinidae Cyprinidae Cyprinidae Cyprinidae Cyprinidae Cyprinidae Cyprinidae Cyprinidae Cyprinidae Cyprinidae Cyprinidae Cyprinidae Cyprinidae Cyprinidae Cyprinidae Anguilla anguilla Conger conger Alosa alosa Alosa fallax Clupea harengus Sardina pilchardus Sprattus sprattus Engraulis encrasicolus Rhodeus sericeus Carassius carassius Carassius gibelio* Cyprinus carpio* Barbus barbus Abramis brama Aspius aspius Ballerus ballerus Blicca bjoerkna Leucaspius delineatus Leuciscus idus Leuciscus leuciscus Pelecus cultratus Phoxinus phoxinus Rutilus rutilus Scardinius erythrophthalmus Squalius cephalus Vimba vimba Ctenopharyngodon idella* Tinca tinca T T T R T T T T T T T T T T T T T T T R T T T T R T T T T T T T R T T T T T T T T T T T T T T T T T T T T T T T T T T T T T Brandt, 1869 T T T T T T T T T T T T T T T X T T X T T T T X X T T R T R T X T T T R T R T T T R R R R T T X X T R R T T T T T T T T T T T X X X T T T T T T T T R R R T R R R T T T X T T T R T T T T T T T T T T X X X X X X X X X X X X T T T T T T T T T X X T X X X X T T T T T T R R R R R T R R R R R R R R R R R R T T T T T X T T T T T R R R R R T T X T R R R R R T X X X X X T T T T T T R R R R R R R T R R R R R R R T T T T T R T T R T R X X R R R X T R R T R R R R X ? R T R X R R R R R X X T T R R R T X T R R R T X R R T R T T T R R R R R R R R R R X T R R R R R R T R R R R T R R R R T R R Kite-fin shark Spurdog Smalltooth sawfish Monkfish Marbled electric ray Electric ray Starry ray Skate Norwegian skate Shagreen ray Cuckoo ray Thornback ray Stingray Eagle ray Rabbit-fish Siberian sturgeon Brandt & Ratzeburg, 1833 Russian sturgeon Mitchill, 1815 American atlantic sturgeon Linnaeus, 1758 Sterlet Pallas, 1771 Stellate sturgeon (Linnaeus, 1758) Beluga sturgeon T (Linnaeus, 1758) T (Linnaeus, 1758) (Linnaeus, 1758) T (Lacepède, 1803) R Linnaeus, 1758 (Walbaum, 1792) R (Linnaeus, 1758) (Linnaeus, 1758) (Pallas, 1776) (Linnaeus, 1758) (Bloch, 1782) Linnaeus, 1758 (Linnaeus, 1758) R (Linnaeus, 1758) T (Linnaeus, 1758) (Linnaeus, 1758) R (Linnaeus, 1758) (Heckel, 1843) R (Linnaeus, 1758) R (Linnaeus, 1758) T (Linnaeus, 1758) R (Linnaeus, 1758) R (Linnaeus, 1758) Eel Conger eel Allis shad Twaite shad Herring Pilchard Sprat Anchovy Bitterling Crucian carp Gibel carp Carp Barbel Bream Asp Blue bream Silver bream Sunbleak Ide Dace Razor-fish Minnow Roach X X X R X T X R R R R R R R R (Linnaeus, 1758) Rudd X X X X X X X T T T T X X X X X X X X X X X X (Linnaeus, 1758) (Linnaeus, 1758) Chub Vimba bream T T T R R T R R Greenland shark T X X X R X R R R (Valenciennes, 1844) Grass carp (Linnaeus, 1758) Tench *=introduced, R=Regular reproduction, X=regular occurrence, no reproduction, T=temporary occurance, ? = occurence uncertain, = no occurence HELCOM Checklist for Baltic Sea Fish and Lamprey Species Distribution 66 Actinopterygii 67 Actinopterygii 68 69 70 71 72 Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii 73 Actinopterygii 74 75 76 77 78 79 80 Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii 81 Actinopterygii 82 Actinopterygii 83 Actinopterygii 84 Actinopterygii 85 Actinopterygii 86 Actinopterygii 87 Actinopterygii 88 89 90 91 92 93 94 95 Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii 96 Actinopterygii 97 Actinopterygii 98 Actinopterygii 99 Actinopterygii 100 Actinopterygii 101 Actinopterygii 102 Actinopterygii 103 Actinopterygii 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii 119 Actinopterygii 120 Actinopterygii 121 Actinopterygii 122 Actinopterygii 123 Actinopterygii 124 Actinopterygii 125 Actinopterygii 126 Actinopterygii 127 Actinopterygii 128 Actinopterygii 129 Actinopterygii 130 Actinopterygii 131 Actinopterygii Hypophthalmichthys molitrix* Hypophthalmichthys Cypriniformes Cyprinidae nobilis* Cypriniformes Cyprinidae Gobio gobio Cypriniformes Cyprinidae Alburnus alburnus Cypriniformes Cobitidae Cobitis taenia Cypriniformes Cobitidae Misgurnus fossilis Cypriniformes Balitoridae Barbatula barbatula Catostomus catosCypriniformes Catostomidae tomus* Siluriformes Ictaluridae Ameiurus nebulosus* Siluriformes Siluridae Silurus glanis Esociformes Esocidae Esox lucius Osmeriformes Argentinidae Argentina silus Osmeriformes Argentinidae Argentina sphyraena Osmeriformes Osmeridae Osmerus eperlanus Salmoniformes Salmonidae Coregonus albula Coregonus maraena Salmoniformes Salmonidae s.l. Salmoniformes Salmonidae Coregonus peled* Oncorhynchus gorSalmoniformes Salmonidae buscha* Salmoniformes Salmonidae Oncorhynchus keta* Oncorhynchus Salmoniformes Salmonidae kisutch* Salmoniformes Salmonidae Oncorhynchus mykiss* Oncorhynchus tshawSalmoniformes Salmonidae ytscha* Salmoniformes Salmonidae Salmo salar Salmoniformes Salmonidae Salmo trutta Salmoniformes Salmonidae Salvelinus fontinalis* Salmoniformes Salmonidae Salvelinus namaycush* Salmoniformes Salmonidae Thymallus thymallus Stomiiformes Sternoptychidae Maurolicus muelleri Aulopiformes Paralepididae Arctozenus risso Aulopiformes Paralepididae Magnisudis atlantica Notoscopelus elonMyctophiformes Myctophidae gatus Lampriformes Lampridae Lampris guttatus Lampriformes Trachipteridae Trachipterus arcticus Coryphaenoides rupGadiformes Macrouridae estris Gadiformes Gadidae Gadus morhua Melanogrammus Gadiformes Gadidae aeglefinus Gadiformes Gadidae Merlangius merlangus Micromesistius Gadiformes Gadidae poutassou Gadiformes Gadidae Pollachius pollachius Gadiformes Gadidae Pollachius virens Gadiformes Gadidae Raniceps raninus Gadiformes Gadidae Trisopterus esmarkii Gadiformes Gadidae Trisopterus luscus Gadiformes Gadidae Trisopterus minutus Gadiformes Lotidae Brosme brosme Gadiformes Lotidae Ciliata mustela Gadiformes Lotidae Enchelyopus cimbrius Gadiformes Lotidae Gaidropsarus vulgaris Gadiformes Lotidae Lota lota Gadiformes Lotidae Molva dypterygia Gadiformes Lotidae Molva molva Gadiformes Merlucciidae Merluccius merluccius Gadiformes Phycidae Phycis blennoides BatrachoidiHalobatrachus didacBatrachoididae formes tylus Lophiiformes Lophiidae Lophius piscatorius Atheriniformes Atherinidae Atherina presbyter ScomberesoBeloniformes Scomberesox saurus cidae Beloniformes Belonidae Belone belone Cheilopogon heteruBeloniformes Exocoetidae rus Beryciformes Berycidae Beryx decadactylus Zeiformes Zeidae Zeus faber GasterosteiGasterosteus acuGasterosteidae formes leatus GasterosteiGasterosteus gymGasterosteidae formes nurus GasterosteiGasterosteidae Pungitius pungitius formes GasterosteiGasterosteidae Spinachia spinachia formes Cypriniformes Cyprinidae T T T T T T R T R R R R R R R R R R R T T T T T T T R T T T T T Author (Valenciennes, 1844) Silver carp (Richardson, 1845) Bighead carp T T T (Linnaeus, 1758) R R R R R R (Linnaeus, 1758) R Linnaeus, 1758 Linnaeus, 1758 T (Linnaeus, 1758) T Verrnacular name J K L M N O P Q R S T Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdansk Curonian lagoon Gulf of Riga Northern Baltic Proper Gulf of Finland Åland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Valid Taxon Name Family Order Class No A B C D E F G H I (Forster, 1773) Gudgeon Bleak Spined loach Weatherfish Stone loach Longnose sucker T (Lesueur, 1819) T T X T T T T T T Linnaeus, 1758 X X R R X R R R X R R R R R R R R R R Linnaeus, 1758 X (Ascanius, 1775) X T T T Linnaeus, 1758 T T R R R R R X X X R R R R R R R R (Linnaeus, 1758) T X T R R R R R (Linnaeus, 1758) Brown bullhead Wels Pike Greater argentine Argentine Smelt Vendace X Whitefish X X X X X R T T T X R R R R R R (Bloch, 1779) T T (Gmelin, 1789) Peled T (Walbaum, 1792) Humpback salmon T (Walbaum, 1792) Chum salmon (Walbaum, 1792) Hoopid salmon T X X X X T X X T T T T T T T T T T T T T (Walbaum, 1792) T T T T T T (Walbaum, 1792) Rainbow trout Chinook salmon X X X X X X X X X X X X X X X X X X X X Linnaeus, 1758 X X X X X X X X X X X X X X X X X X X X Linnaeus, 1758 T (Mitchill, 1814) T (Walbaum, 1792) T X R R R (Linnaeus, 1758) X T (Gmelin, 1789) T T (Bonaparte, 1840) T (Krøyer, 1868) Salmon Trout Brook charr Lake charr Grayling Pearlsides Spotted barracudina Duckbill barracudina T (Costa, 1844) Lancet fish T T T T T T T (Brünnich, 1788) (Brünnich, 1788) Opah Deal-fish T T Gunnerus, 1765 Blunt-nose rattail R X X R R R R R R R R T X X X X X X X X Linnaeus, 1758 Cod X X T T T R T T T T (Linnaeus, 1758) Haddock R R R X X R X X T T T (Linnaeus, 1758) Whiting X Risso, 1827 Blue whiting X X R R T R T R R T T T R T ? T T T T X T T T X R T R T T X ? T T T X R R R R R T T T R T T T R T T T T T X T T T T T T T T T T T T T T T T T T T T (Linnaeus, 1758) (Linnaeus, 1758) (Linnaeus, 1758) T (Nilsson, 1855) (Linnaeus, 1758) T (Linnaeus, 1758) (Ascanius, 1772) R T (Linnaeus, 1758) R R R R R R R T X T (Linnaeus, 1766) (Cloquet, 1824) T T X R T T R X R R R R R R R (Linnaeus, 1758) (Pennant, 1784) R T T T (Linnaeus, 1758) X T T T (Linnaeus, 1758) T (Brünnich, 1768) (Bloch & Schneider, 1801) T X T Linnaeus, 1758 Cuvier, 1829 T R R R R R R R R R R R (Walbaum, 1792) R R R X R R T Pollack Saithe Tadpole-fish Norway pout Bib Poor cod Torsk Five-bearded rockling Four-bearded rockling Three-bearded rockling Burbot Blue ling Ling Hake Greater fork-beard Lusitanian toadfish Angler Sand-smelt Skipper (Linnaeus, 1761) Garfish T T T (Rafinesque, 1810) Atlantic flying-fish T T T T ? T Cuvier, 1829 Linnaeus, 1758 Alfonsino John dory R R R R R R R R R R R R R R R R R R R R Linnaeus, 1758 Three-spined stickleback ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Cuvier, 1829 Western three-spined stickleback R R R R R R R R R R R R R R R R R R R R (Linnaeus, 1758) Nine-spine stickleback Fifteen-spined stickR R R R R R R R R R T R R R R R R (Linnaeus, 1758) leback SyngnathiSyngnathidae Entelurus aequoraeus R R T R T T (Linnaeus, 1758) Snake pipefish formes *=introduced, R=Regular reproduction, X=regular occurrence, no reproduction, T=temporary occurance, ? = occurence uncertain, = no occurence 197 HELCOM Checklist for Baltic Sea Fish and Lamprey Species Distribution 155 Actinopterygii Perciformes Polyprionidae 133 Actinopterygii 134 Actinopterygii 135 Actinopterygii 136 Actinopterygii 137 Actinopterygii 138 Actinopterygii 139 Actinopterygii 140 Actinopterygii 141 Actinopterygii 142 Actinopterygii 143 Actinopterygii 144 Actinopterygii 145 Actinopterygii 146 Actinopterygii 147 Actinopterygii 148 Actinopterygii 149 Actinopterygii 150 Actinopterygii 151 Actinopterygii 152 Actinopterygii 153 Actinopterygii R Syngnathidae Nerophis ophidion R R R R R R R R R R R Syngnathidae Syngnathus acus R R T T T R T Syngnathidae Syngnathus rostellatus R R T Syngnathidae Syngnathus typhle Syngnathidae Hippocampus hippocampus Sebastidae Sebastes norvegicus T Sebastes viviparus Sebastidae Triglidae Triglidae T R T R R R R R R R R R R R T R R R R R R T Verrnacular name Author Straight-nosed pipefish Linnaeus, 1758 Greater pipefish Nilsson, 1855 Nilsson’s pipefish Linnaeus, 1758 Deep-snouted pipefish (Linnaeus, 1758) Short-snouted seahorse Ascanius, 1772 Red-fish X Krøyer, 1845 Norway haddock T (Linnaeus, 1758) Red gurnard T T T T (Linnaeus, 1758) Tub gurnard T T (Linnaeus, 1758) Grey gurnard Triglidae Trigloporus lastoviza T Cottidae Cottus gobio (Bonnaterre, 1788) T ? R R R R R R R R Linnaeus, 1758 Cottus poecilopus Cottidae Myoxocephalus scorpius R R R R R R R R R R R T R R R R R R R T (Linnaeus, 1758) Bull-rout Cottidae Taurulus bubalis R R R R R R R R R R T (Euphrasen, 1786) Sea scorpion T Günther, 188 Moustache sculpin Cottidae Triglops murrayi Cottidae Triglopsis quadricornis Agonidae Agonus cataphractus T Heckel, 1837 Streaked gurnard Bullhead Cottidae T T R R T R R R R R R X X R R R R R R R R R R R R R R (Linnaeus, 1758) T R T (Linnaeus, 1758) Alpine bullhead Four-horned sculpin Hook-nose Cyclopteridae Cyclopterus lumpus R R R R R R R R R R R T R R R R R R R R Linnaeus, 1758 Lumpsucker Liparidae Liparis liparis R T T (Linnaeus, 1766) Sea-snail Liparidae Liparis montagui R R R (Donovan, 1804) Montagu’s sea-snail Moronidae Dicentrarchus labrax T T T Polyprion americanus T Gymnocephalus cernua Perca fluviatilis Sander lucioperca Remora remora Trachinotus ovatus Trachurus trachurus Brama brama Boops boops Dentex maroccanus Pagellus bogaraveo Pagellus erythrinus Sarpa salpa Sparus aurata Spondyliosoma canSparidae tharus Sciaenidae Argyrosomus regius Mullus surmuletus Mullidae Mugilidae Chelon labrosus Mugilidae Liza aurata Mugilidae Liza ramada Cichlidae Astronotus ocellatus* Labridae Centrolabrus exoletus Labridae Ctenolabrus rupestris Labridae Coris julis Labridae Labrus bergylta Labridae Labrus mixtus Labridae Symphodus melops Zoarcidae Lycodes gracilis Zoarcidae Zoarces viviparus Stichaeidae Chirolophis ascanii Lumpenus lampretaeStichaeidae formis Pholidae Pholis gunnellus Anarhichadidae Anarhichas lupus Anarhichadidae Anarhichas minor Ammodytidae Ammodytes marinus Ammodytidae Ammodytes tobianus Percidae Percidae Percidae Echeneidae Carangidae Carangidae Bramidae Sparidae Sparidae Sparidae Sparidae Sparidae Sparidae 169 Actinopterygii Perciformes 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 Perciformes Perciformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes R R R R R R R R (Linnaeus, 1758) Worm pipefish R R R R R R R T Perciformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes (Jenyns, 1835) X T T T T X T T Perciformes Perciformes Perciformes Perciformes Perciformes Perciformes Perciformes Perciformes Perciformes Perciformes Perciformes Perciformes Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Chelidonichthys cuculus Chelidonichthys lucerna R Eutrigla gurnardus Triglidae Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii 186 187 188 189 190 Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdansk Curonian lagoon Gulf of Riga Northern Baltic Proper Gulf of Finland Åland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Nerophis lumbriciformis 156 Actinopterygii 185 Actinopterygii J K L M N O P Q R S T Syngnathidae 157 158 159 160 161 162 163 164 165 166 167 168 Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Valid Taxon Name Family 154 Actinopterygii Syngnathiformes Syngnathiformes Syngnathiformes Syngnathiformes Syngnathiformes Syngnathiformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Scorpaeniformes Perciformes 132 Actinopterygii 198 Order Class No A B C D E F G H I T R T T R R R R R R R R R T R T T T T T T T T T T T T T R R Linnaeus, 1758 (Bloch & Schneider, 1801) R R R T X R X R R R R R R R (Linnaeus, 1758) T T T R R R R R R R R R X R R R R R R R Linnaeus, 1758 T T T R R T R R R X R R X R R R R R R T (Linnaeus, 1758) T (Linnaeus, 1758) T T T (Linnaeus, 1758) X X X X X X T X T T T (Linnaeus, 1758) T T T T (Bonnaterre, 1788) T T T T (Linnaeus, 1758) T (Valenciennes, 1830) T T T (Brünnich, 1768) T T T (Linnaeus, 1758) T T T (Linnaeus, 1758) T T Linnaeus, 1758 T T T T T T T T T T T R X X T T R X T T T T T T T T T (Linnaeus, 1758) Bass Wreck-fish Ruffe Perch Zander Remora Derbio Scad Ray’s bream Bogue Morocco dentex Red sea-bream Pandora Saupe Gilthead Black sea-bream (Asso, 1801) Linnaeus, 1758 T T T (Risso, 1827) (Risso, 1810) T T T T (Risso, 1827) (Agassiz, 1831) (Linnaeus, 1758) (Linnaeus, 1758) (Linnaeus, 1758) Ascanius, 1767 Linneaus, 1758 (Linnaeus, 1758) Sars, 1867 R R R R R R R R (Linnaeus, 1758) (Walbaum, 1792) Meagre Striped red mullet Thick-lipped grey mullet Golden grey mullet Thin-lipped grey mullet Oscar Rock cook Goldsinny Rainbow wrasse Ballan wrasse Cuckoo wrasse Corkwing wrasse Checker eelpout Eelpout Yarrell’s blenny R R R R R R R R R T T T R R R R R R T (Walbaum, 1792) Snake blenny R R T R R R R R R R R T Butterfish Wolf-fish Spotted wolf-fish Raitt,s sandeel Sandeel T T T R T T R R R T R T T R T T R R T R R R R R R R R R R R R T T R T T R T ? ? R T T R R R R R R R R R R R R R R R R R R T X X T T R T T T T (Linnaeus, 1758) Linneus, 1758 Olafsen, 1772 ? ? ? ? R ? Raitt, 1934 R R R R R R R R R R T R R R R R R R R Linnaeus, 1758 *=introduced, R=Regular reproduction, X=regular occurrence, no reproduction, T=temporary occurance, ? = occurence uncertain, = no occurence HELCOM Checklist for Baltic Sea Fish and Lamprey Species Distribution 191 Actinopterygii Mugiliformes Ammodytidae 192 Actinopterygii 193 Actinopterygii 194 Actinopterygii Mugiliformes Mugiliformes Mugiliformes Trachinidae Trachinidae Callionymidae 195 Actinopterygii Mugiliformes Callionymidae 196 Actinopterygii Mugiliformes Gobiidae 197 Actinopterygii Mugiliformes Gobiidae 198 Actinopterygii Mugiliformes Gobiidae 199 200 201 202 203 204 Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Gobiidae Gobiidae Gobiidae Gobiidae Gobiidae Gobiidae 205 Actinopterygii Mugiliformes Gobiidae 206 Actinopterygii Mugiliformes Gobiidae 207 Actinopterygii Mugiliformes Gobiidae 208 Actinopterygii Mugiliformes Gobiidae 209 Actinopterygii Mugiliformes Gobiidae 210 Actinopterygii Mugiliformes Gobiidae 211 Actinopterygii 212 Actinopterygii 213 Actinopterygii Mugiliformes Mugiliformes Mugiliformes Gempylidae Xiphiidae Scombridae 214 Actinopterygii Mugiliformes Scombridae 215 216 217 218 219 Actinopterygii Actinopterygii Actinopterygii Actinopterygii Actinopterygii Mugiliformes Mugiliformes Mugiliformes Mugiliformes Mugiliformes Scombridae Scombridae Scombridae Scombridae Centrolophidae 220 Actinopterygii Mugiliformes Centrolophidae 221 Actinopterygii Mugiliformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Pleuronectiformes Tetraodontiformes Tetraodontiformes Caproidae 222 Actinopterygii 223 Actinopterygii 224 Actinopterygii 225 Actinopterygii 226 Actinopterygii 227 Actinopterygii 228 Actinopterygii 229 Actinopterygii 230 Actinopterygii 231 Actinopterygii 232 Actinopterygii 233 Actinopterygii 234 Actinopterygii 235 Actinopterygii 236 Actinopterygii 237 Actinopterygii 238 Actinopterygii 239 Actinopterygii Scophthalmidae Scophthalmidae Scophthalmidae Scophthalmidae Scophthalmidae Bothidae Pleuronectidae Pleuronectidae Pleuronectidae Hyperoplus lanceolatus Echiichthys vipera Trachinus draco Callionymus lyra Callionymus maculatus Aphia minuta Babka gymnotrachelus* Crystallogobius linearis Gobius niger Gobiusculus flavescens Lebetus guilleti Lebetus scorpioides Lesueurigobius friesii Neogobius fluviatilis* Neogobius melanostomus* Pomatoschistus microps Pomatoschistus minutus Pomatoschistus norvegicus Pomatoschistus pictus Thorogobius ephippiatus Nesiarchus nasutus Xiphias gladius Auxis rochei Euthynnus alletteratus Katsuwonus pelamis Sarda sarda Scomber scombrus Thunnus thynnus Centrolophus niger Schedophilus medusophagus Capros aper Lepidorhombus whiffiagonis Phrynorhombus norvegicus Scophthalmus maximus Scophthalmus rhombus Zeugopterus punctatus Arnoglossus laterna Glyptocephalus cynoglossus Hippoglossoides platessoides Hippoglossus hippoglossus Pleuronectidae Limanda limanda Pleuronectidae Liopsetta glacialis* Pleuronectidae Microstomus kitt R R R R R R R R R R R R R R Author Verrnacular name J K L M N O P Q R S T Kattegat Great Belt Little Belt Kiel Bay Bay of Mecklenburg The Sound Arkona Basin Bornholm Basin Western Gotland Basin Eastern Gotland Basin Gulf of Gdansk Curonian lagoon Gulf of Riga Northern Baltic Proper Gulf of Finland Åland Sea Archipelago Sea Bothnian Sea The Quark Bothnian Bay Valid Taxon Name Family Order Class No A B C D E F G H I (Le Sauvage, 1824) Greater sandeel T R R T T R T T R R R T T R (Cuvier, 1829) Linnaeus, 1758 Linnaeus, 1758 Weever Greater weever Dragonet R T Rafinesque, 1810 Spotted dragonet T T T T R R R R R R X T R R R R R R R R R R R R R R R R R R R R R R R R R R R T R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R T R R R R R R R (Risso, 1810) Transparent Goby (Kessler, 1857) Racer goby (Düben, 1845) Crystal goby Linnaeus, 1758 (Fabricius, 1779) (Le Danois, 1913) (Collett, 1874) (Malm, 1874) (Pallas, 1814) Black goby Two-spotted goby Guillet’s goby Diminutive goby Fries’s goby Monkey goby T (Pallas, 1814) (Krøyer, 1838) Round goby Common goby R R R R R R R R R R R T R R R R R R R R (Pallas, 1770) Sand goby R (Collett, 1902) Norway goby (Malm, 1865) Painted goby R R T R R (Lowe 1839) Leopard-spotted goby T T T T T T T T T T T T T Johnson, 1862 Linnaeus, 1758 (Risso, 1810) Black gemfish Swordfish Frigate mackerel (Rafinesque, 1810) Little tunny T T T T X T T T T T T T T T X X X X X X X T T T T T T T T T T T T T T (Linnaeus, 1758) T T (Bloch, 1793) T T T T T T T T Linnaeus, 1758 (Linnaeus, 1758) (Gmelin, 1789) T (Cocco, 1839) T T T T R T Cornish blackfish (Linnaeus, 1758) Boar-fish T (Walbaum, 1792) Megrim R (Günther, 1862) Norwegian topknot R R R R R R R R R R R R R R R R R T R R R R R R R R T T T R T T Oceanic bonito Bonito Mackerel Blue-fin tuna Blackfish (Linnaeus, 1758) Turbot (Linnaeus, 1758) Brill R (Bloch, 1787) Topknot R T (Walbaum, 1792) Scaldfish R X T T (Linnaeus, 1758) Witch R R R R R R T T (Fabricius, 1780) Long rough dab T T T T T T (Linnaeus, 1758) Halibut R R T R R R R R R R R R T T T T T T T R R T T T R T (Linnaeus, 1758) Dab (Pallas, 1776) Arctic flounder (Walbaum, 1792) Lemon sole Pleuronectidae Platichthys flesus R R R R R R R R R R R X R R R R R R X T (Linnaeus, 1758) Flounder Pleuronectidae Pleuronectes platessa R R R R R R R R T R R Linnaeus, 1758 Plaice Soleidae Buglossidium luteum R T (Risso, 1810) Solenette Soleidae Solea solea R R R X X R X T (Linnaeus, 1758) Sole Balistidae Balistes capriscus Molidae Mola mola R T T T T T T T T T T T T T T T T Gmelin, 1789 Triggerfish (Linnaeus, 1758) Sunfish *=introduced, R=Regular reproduction, X=regular occurrence, no reproduction, T=temporary occurance, ? = occurence uncertain, = no occurence 199 7.5 Checklist for Baltic Sea breeding bird species HELCOM Checklist for Baltic Sea Breeding Birds Distribution K Vernacular name/s Aphia ID (WoRMS) Gulf of Gdańsk J Authors/year I Gulf of Riga H Eastern Gotland Basin The Sound G Western Gotland Basin F Bornholm Basin E Arkona Basin D Bay of Mecklenburg C Kiel Bay Great Belt + Little Belt B 1 Actitis hypoleucos X X X X X X X X X (X) X (Linnaeus, 1758) 212603 Common sandpiper 2 Alca torda X X X - X - - - - - X (Linnaeus, 1758) 137128 Razorbill 3 Anas clypeata X X X X X X X X X X X (Linnaeus, 1758) 158941 Northern shoveler 4 Anas platyrhynchos X X X X X X X X X X X (Linnaeus, 1758) 148791 Mallard 5 Anas strepera X X X X X X X X X X X (Linnaeus, 1758) 159171 Gadwall 6 Anser anser X X X X X X X X X X X (Linnaeus, 1758) 416682 Greylag goose 7 Anthus petrosus X X - - X - - - - - X (Montagu, 1798) 232063 Rock pipit 8 Anthus pratensis X X X X X X X X X X X (Linnaeus, 1758) 426233 Meadow pipit 9 Arenaria interpres X X X - X - - - 0 0 X (Linnaeus, 1758) 147431 Turnstone 10 Aythya fuligula X X X X X X X X X X X (Linnaeus, 1758) 159164 Tufted duck 11 Aythya marila X X X - X - (X) (X) - (X) (X) (Linnaeus, 1761) 159172 Greater scaup 12 Branta leucopsis X X X - X - - - - X X (Bechstein, 1803) 159177 Barnacle goose 13 Bucephala clangula X X X X X X X X X X X (Linnaeus, 1758) 159197 Goldeneye 14 Calidris alpina schinzii X X X 0 X X X 0 (X) X 0 X (Linnaeus, 1758) 15 Calidris temminckii X X - - (X) - - - - - - (Leisler, 1812) 366591 Temminck’s stint 16 Cepphus grylle Dunlin X X X - X - - - - - X (Linnaeus, 1758) 137130 Black guillemot 0(X) - - - - - - (0) 0(X) 0 0 (Linnaeus, 1758) 212611 Kentish plover 18 Charadrius hiaticula hiaticula X X X X X X X X X X X (Linnaeus, 1758) 19 Cygnus olor X X X X X X X X X X X (J.F. Gmelin, 1789) 159090 Mute swan 17 Charadrius alexandrinus Ringed plover 20 Gelochelidon nilotica - - - - - - - - 0 - 0 (Gmel., 1789) 148798 Gull-billed tern 21 Haematopus ostralegus X X X X X X X X X X X (Linnaeus, 1758) 147436 Oystercatcher 22 Haliaeetus albicilla X X X X X X X X X X X (Linnaeus, 1758) 232053 White-tailed sea eagle 23 Hydroprogne caspia X X X - X - (0) (0) (X) - (X) 24 Larus argentatus X X X X X X X X X X 25 Larus canus X X X X X X X X X 26 Larus fuscus fuscus X X X - X - - (X) X(?) 27 Larus fuscus intermedius X - - - - - - - - 28 Larus marinus (Pallas, 1770) 567825 Caspina tern X (Pontoppidan, 1763) 137138 Herring gull X X (Linnaeus, 1758) 137141 Common gull, mew gull - - (Linnaeus, 1758) 148795 Lesser black-backed gull X X (Schiøler, 1922) 232050 Lesser black-backed gull X X X - X X - - X X X (Linnaeus, 1758) 137146 Great black-backed gull (X) - - - - - - X X X X (Temm., 1820) 137147 Mediterranean gull Larus minutus (Hydrocoloeus minutus (Pallas 1776)) X X X X X X X X (X) - X (Pallas, 1776) 137148 Little gull Larus ridibundus 31 (Chroicocephalus ridibundus (Linnaeus 1766)) X X X X X X X X X X X (Linnaeus, 1766) 137149 Black-headed gull 29 Larus melanocephalus 30 32 Limosa limosa X X X X X X X X X X X (Linnaeus, 1758) 33 Melanitta fusca X X X - X - - - - - - (Linnaeus, 1758) 137072 Velvet scoter 34 200 Kattegat No Valid Taxon Name A Mergus albellus (Mergellus albellus (Linnaeus 1758)) Black-tailed godwit X X (0) - - - - - - - - (Linnaeus, 1758) 558756 Smew 35 Mergus merganser X X X X X X X X X X X (Linnaeus, 1758) 159097 Goosander 36 Mergus serrator X X X X X X X X X X X (Linnaeus, 1758) 159098 Red-breasted merganser 37 Motacilla alba X X X X X X X X X X X (Linnaeus, 1758) 232066 White wagtail 38 Oenanthe oenanthe X X X X X X X X X X X (Linnaeus, 1758) 39 Pandion haliaetus X X X X X X X X X 0 X (Linnaeus, 1758) 159377 Osprey 40 Phalacrocorax carbo sinensis X X X X X X X X X X X (Blumenbach, 1798) 137179 Great cormorant 41 Philomachus pugnax X X X (X) X X X X X 0 X (Linnaeus, 1758) 159046 Ruff 42 Podiceps auritus X X X - X X X (0) - (X) (X) (Linnaeus, 1758) 137181 Slavonian grebe 43 Podiceps cristatus X X X X X X X X X X X (Linnaeus, 1758) 137182 Crested grebe 44 Recurvirostra avosetta X - - X X - X X X X X (Linnaeus, 1758) 212721 Avocet 45 Riparia riparia X X X X X X X X X X X (Linnaeus, 1758) 225984 Sand martin 46 Rissa tridactyla X - - - - - - - - - 0(X) (Linnaeus, 1758) 137156 Black-legged kittiwake 47 Somateria mollissima X X X - X - - (0) X X X (Linnaeus, 1758) 137074 Common eider 48 Stercorarius parasiticus X X - - - - - - - - - (Linnaeus, 1758) 137172 Parasitic jaeger 49 Sterna hirundo X X X X X X X X X X X (Linnaeus, 1758) 137162 Common tern 50 Sterna paradisaea X X X - X X - 0 X X X (Pontoppidan, 1763) 137165 Arctic tern Northern wheatear 51 Sterna sandvicensis X - - - X - - X X 0(X) X (Latham, 1787) 137166 Sandwich tern 52 Sternula albifrons X X X X X X X X X X X (Pallas, 1764) 567480 Little tern 53 Tadorna tadorna X X X X X X X X X X X (Linnaeus, 1758) 232042 Common shelduck 54 Tringa totanus X X X X X X X X X X X (Linnaeus, 1758) 158970 Redshank 55 Uria aalge X X (X)[4] - - - - - - - X (Pontoppidan, 1763) 137133 Common guillemot; common murre 56 Vanellus vanellus X X X X X X X X X X X (Linnaeus, 1758) 159142 Lapwing 57 Xenus cinereus - X X - - X - - - - - (Latham, 1790) 212602 Terek sandpiper x = breeding, (x)= sporadic breeding (only occasional breeding records),0 = extinct (breeding in the past, but no actual breeding records), (0)= sporadic breeder in the past, no breeding records during the last 3 generations or 10 years, 0(X)=extinct as a regular breeder, but sporadic breeding records during the last 3 generations or 10 years, - = no breeding birds [4] First breeding in 2010, Vysotsky et al. 2010. H x x L M x N x O x P x x x x x x x Åland Sea x Archipelago Sea x Gulf of Finland x The Gulf of Gdańsk Gulf of Riga Q R x S (Fabricius, 1791) (Linnaeus, 1758) (Schreber, 1775) (Linnaeus, 1758) x x x x x Authors/year x Bothnian Bay Phoca hispida (Schreber, 1775) Vernacular name/s harbour seal / common seal 137076 European otter 137117 harbour porpoise 159021 ringed seal 255033 137080 grey seal / gray seal Aphia ID (WoRMS) Distribution x The Quark (Linnaeus, 1758) Synonyms 7.6 Checklist for Baltic Sea marine mammal species G x The Bothnian Sea HELCOM Checklist for Baltic Sea Marine Mammals F K E J D I C x B x A x x The Northern Baltic Proper x The Western Gotland Basin x The Eastern Gotland Basin x x x x x Bornholm Basin x x Halichoerus grypus x x x 1 Phocidae x x x Kattegatt x x x Phoca vitulina vitulina x 2 Phocidae Pusa hispida Valid Taxon Name x 3 Phocidae Arkona Basin x The Sound x The Bay of Mecklenburg x Kiel Bay 4 Phocoena Little Belt Lutra lutra Great Belt Phocoena phocoena Family 5 Mustelidae No 201 Annex 1: Authors and contributors Chapter 1: Introduction Author: Jannica Haldin HELCOM Secretariat, Finland Contributors: Maria Laamanen HELCOM Secretariat, Finland Johanna Karhu HELCOM Secretariat, Finland Chapter 2: Documentation of the Checklist and Distribution Data for Baltic Sea Macrophyte Species / Table 7.1: Checklist of Baltic Sea Macrophyte Species Authors: Tytti Kontula HELCOM Secretariat, Finland Karin Fürhapter (MariLim) Germany Contributors: Heidi Arponen (Metsähallitus) Finland Paulina Brzeska (Maritime Institute in Gdańsk) Poland Martynas Bučas (Klaipeda University) Lithuania Anette Bäck (Metsähallitus) Finland Karsten Dahl (National Environmental Research Institute) Denmark Anna Doronina (St. Petersburg State University) Russia Marika Gerb (Laboratory for Marine Ecology) Russia Elena Glazkova (Russian Academy of Science) Russia Karoliina Ilmarinen (Alleco oy) Finland Vadims Jermakovs (Latvian Institute of Aquatic Ecology) Latvia Gustav Johansson (Hydrophyta ekologi konsult) Sweden Krister Karttunen (Finnish Environment Institute) Finland Hans Kautsky (Stockholm University) Sweden Essi Keskinen (Metsähallitus) Finland Marja Koistinen (Natural History Museum) Finland Kirsi Kostamo (Finnish Environment Institute) Finland Nikolay Kovalchuk (Russian Academy of Science) Russia Lidia Kruk-Dowigałło (Maritime Institute) Poland Ari Laine (Metsähallitus) Finland Georg Martin (Estonian Marine Institute) Estonia Samuli Neuvonen (Finnish Environment Institute) Finland Ruth Nielsen (Botanical Museum) Denmark Anna Razumovskaya (Neftegazgeodeziya Ltd, BFN SPNS) Russia Kaire Torn (Estonian Marine Institute) Estonia Petri Vahteri (University of Turku) Finland Mats Westerbom (Metsähallitus) Finland 202 Chapter 3: Documentation of the Checklist and Distribution Data for Baltic Sea Benthic Invertebrates / Table 7.2: Checklist of Baltic Sea Benthic Invertebrate Species Authors: Anna Karlsson (ArtDatabanken, SLU) Sweden Tytti Kontula HELCOM Secretariat, Finland Jannica Haldin HELCOM Secretariat, Finland Contributors: Stefan Agrenius (University of Gothenburg) Sweden Anders Albrecht (University of Helsinki) Finland Rafał Bernard (Adam Mickiewicz University) Poland Elena Ezhova (P.P. Shirstiov Institute of Oceanology RAS) Russia Piotr Gruszka (West-Pomeranian University of Technology) Poland Peter Göransson (Municipality of Helsingborg) Sweden Kristjan Herkül (Estonian Marine Institute) Estonia Urszula Janas (University of Gdańsk) Poland Alf Josefsson (National Environmental Research Institute, Aarhus University) Denmark Sami Karjalainen Finland Jonne Kotta (Estonian Marine Institute) Estonia Ari Laine (Metsähallitus) Finland Ilpo Mannerkoski (Finnish Environment Institute) Finland Alexey Maximov (Zoological Institute of Russian Academy of Science) Russia Mattias Obst (University of Gothenburg) Sweden Lauri Paasivirta Finland Jens Perus (Nordic Council of Ministers) Finland Janne Raunio (University of Oulu) Finland Teemu Rintala (Finnish Environment Institute) Finland Jouko Rissanen (Finnish Environment Institute) Finland Juha Salokannel Finland Kerstin Schiele (Leibniz Institute for Baltic Sea Research Warnemünde) Germany Jan Warzocha (Sea Fisheries Institute) Poland Brygida Wydrowska-Wawrzyniak (Uniwersytet Szczecinski) Poland Michael L. Zettler (Leibniz Institute for Baltic Sea Research Warnemünde) Germany Chapter 4: Documentation of the Checklist and Distribution Data for Baltic Sea Fish and Lamprey Species / Table 7.4: Checklist of Baltic Sea Fish and Lamprey Species Chapter 5: Documentation of the Checklist and Distribution Data for Baltic Sea Breeding Bird species / Table 7.5: Checklist of Baltic Sea Benthic Breeding Bird Species Authors: Ann-Britt Florin (Swedish Board of Fisheries) Sweden Jannica Haldin HELCOM Secretariat, Finland Author: Christof Herrmann (Agency for Environment, Nature Conservation and Geology Mecklenburg-Vorpommern) Germany Contributors: Janis Birzaks (Institute of Food Safety, Animal Health and Environment) Latvia Dieter Boedeker (BfN) Germany Uwe Böttcher (Institut fur Ostseefischerei) Germany Henrik Carl (Statens Naturhistoriske Museum) Denmark Natalia Chernova (Russian Academy of Sciences) Russia Christian von Dorrien (Institut fur Ostseefischerei) Germany Ronald Fricke (Staatliches Museum für Naturkunde) Germany Antti Lappalainen (Finnish Game and Fisheries Research Institute) Finland Linas Lozys (Institute of Ecology of Vilnius University) Lithuania Timo Moritz (Meeresmuseum) Germany Peter R. Møller (Statens Naturhistoriske Museum) Denmark Daniel Oesterwind (Institut fur Ostseefischerei) Germany Christian Pusch (BfN) Germany Krzysztof Skóra (University of Gdańsk) Poland Henrik Svedäng (Institute of the Marine Environment) Sweden Mikael Svensson (ArtDatabanken) Sweden Lauri Urho (Finnish Game and Fisheries Research Institute) Finland Francesca Vitale (Swedish Board of Fisheries) Sweden Contributors: Mindaugas Dagys (Institute of Ecology of Vilnius University) Lithuania Jaanus Elts (Estonian Ornithological Society) Estonia Vladimir Fedorov (St. Petersburg State University) Russia Gennady Grischanov (Kaliningrad State University) Russia Martti Hario (Finnish Game and Fisheries Research Institute) Finland Jan Kieckbusch Germany Włodzimierz Meissner (University of Gdańsk) Poland Markku Mikkola-Roos (Finnish Environment Institute) Finland Lidia Sternik (General Directorate for Environmental Protection) Poland Antra Stipniece (University of Latvia) Latvia Ole Thorup Denmark Martin Tjernberg (ArtDatabanken, SLU) Sweden Chapter 6: Documentation of the Checklist and Distribution Data for Baltic Sea Marine Mammal Species / Table 7.6: Checklist of Baltic Sea Marine Mammal Species Authors: Olle Karlsson (Swedish Museum of Natural History) Sweden Jannica Haldin HELCOM Secretariat, Finland Contributors: Johanna Arrendal (MyraNatur) Sweden Anders Galatius (Department of Bioscience Aarhus University) Denmark Sauli Härkönen (Hunters’ Central Organization) Finland Tero Härkönen (Naturhistoriska Riksmuseet) Sweden Ivar Jüssi (Pro Mare Saula) Estonia Acknowledgements Vadims Jermakov, Iwona Psuty, Ivar Ojaste, Justyna Szumlicz HELSINKI COMMISSION Baltic Marine Environment Protection Commission Katajanokanlaituri 6 B, FI-00160 Helsinki, Finland Phone: +358 (0)207 412 649, fax +358 (0)207 412 645 e-mail: helcom@helcom.fi http://www.helcom.fi 203 www.helcom.fi