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Mactra
Description | Mactra is a genus of medium-sized marine bivalve mollusks or clams, commonly known as trough shells or duck clams. Mactra is the type genus within the family Mactridae. From Wikipedia article at https://en.wikipedia.org/wiki/Mactra, which is released under the Creative Commons Attribution-Share-Alike License 3.0. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Source Data |
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Rank | genus | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomy (GBIF) | Life : Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Mactra | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Mollusca : Bivalvia : Veneroidei : Mactridae : Mactra | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Scientific Name | Mactra Linnaeus, 1767 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Name Published In | Linnaeus, Carolus. 1767. Systema naturae sive regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Laurentii Salvii, Holmiae. Vol. I, No. 2, Edito duodecima, reformata: 533-1327,. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extant | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 55 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Extant Size (PBDB) | 16 (29%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 199 - 191 Ma Early Jurassic | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Motility | facultatively mobile | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Vision | blind (based on Bivalvia) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Diet | suspension feeder | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Ecospace Comments | LIFE HISTORY: IS, MA, UN, SU according to Todd (2001). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Taphonomy | aragonite (based on Bivalvia) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Primary Reference (PBDB) | J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Wikipedia | https://en.wikipedia.org/wiki/Mactra |
External Images
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Mactra (Barymactra) ✝ subgenus | listed (PBDB) | 1 | 38.0 Ma Eocene | 38.0 Ma Eocene | |
Mactra (Electomactra) subgenus | listed (PBDB) | ||||
Mactra (Electromactra) ✝ subgenus | listed (PBDB) | 8 | 16.0 Ma Miocene | 5.33 Ma Miocene | |
Mactra (Heteromactra) subgenus | listed (PBDB) | 2 | 23.0 Ma Miocene | 0 Ma Extant | |
Mactra (Mactra) subgenus | listed (PBDB) | 11 | 23.0 Ma Miocene | 0 Ma Extant | |
Mactra (Mactrella) subgenus | listed (PBDB) | 0 Ma Extant | |||
Mactra (Maorimactra) subgenus | listed (PBDB) | 12 | 61.6 Ma Paleocene | 0 Ma Extant | |
Mactra (Nannomactra) subgenus | listed (PBDB) | ||||
Mactra abbreviata species | accepted (GBIF) | No associated record in PBDB | |||
Mactra achatina ✝ species | accepted (GBIF) listed (PBDB) | 1 | 0.13 Ma Pleistocene | 0.13 Ma Pleistocene | |
Mactra aequisulcata species | accepted (GBIF) | No associated record in PBDB | |||
Mactra albirupiana species | accepted (GBIF) | No associated record in PBDB | |||
Mactra alta species | accepted (GBIF) | No associated record in PBDB | |||
Mactra amygdalina species | accepted (GBIF) | No associated record in PBDB | |||
Mactra angulata species | accepted (GBIF) | No associated record in PBDB | |||
Mactra antiqua species | accepted (GBIF) | No associated record in PBDB | |||
Mactra antiquata species | accepted (GBIF) | No associated record in PBDB | |||
Mactra aphrodina species | accepted (GBIF) | No associated record in PBDB | |||
Mactra araucana species | accepted (GBIF) | No associated record in PBDB | |||
Mactra arenaria species | accepted (GBIF) | No associated record in PBDB | |||
Mactra artensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra artopta ✝ species | accepted (GBIF) listed (PBDB) | 1 | 5.33 Ma Miocene | 5.33 Ma Miocene | |
Mactra aspenana species | accepted (GBIF) | No associated record in PBDB | |||
Mactra auca ✝ species | accepted (GBIF) listed (PBDB) | ||||
Mactra austeniana ✝ species | accepted (GBIF) listed (PBDB) | 1 | 23.0 Ma Miocene | 23.0 Ma Miocene | |
Mactra australis species | accepted (GBIF) listed (PBDB) | 1 | 0.13 Ma Pleistocene | 0.13 Ma Pleistocene | |
Mactra axiniformis ✝ species | accepted (GBIF) listed (PBDB) | 1 | 16.0 Ma Miocene | 16.0 Ma Miocene | |
Mactra bignoniana species | accepted (GBIF) | No associated record in PBDB | |||
Mactra canonensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra carteri species | accepted (GBIF) | No associated record in PBDB | |||
Mactra carteroni species | accepted (GBIF) | No associated record in PBDB | |||
Mactra censoriensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra chinensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra chipolana species | accepted (GBIF) | No associated record in PBDB | |||
Mactra chrydaea species | accepted (GBIF) | No associated record in PBDB | |||
Mactra clathrodon species | doubtful (GBIF) listed (PBDB) | 8 | 23.0 Ma Miocene | 23.0 Ma Miocene | |
Mactra coalingensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra constricta ✝ species | accepted (GBIF) listed (PBDB) | 1 | 3.60 Ma Pliocene | 3.60 Ma Pliocene | |
Mactra cordiformis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra crossei species | accepted (GBIF) | No associated record in PBDB | |||
Mactra cumingii species | accepted (GBIF) | No associated record in PBDB | |||
Mactra cuneata species | accepted (GBIF) | No associated record in PBDB | |||
Mactra cygnus species | accepted (GBIF) | No associated record in PBDB | |||
Mactra cymata species | accepted (GBIF) | No associated record in PBDB | |||
Mactra darwinii ✝ species | accepted (GBIF) listed (PBDB) | ||||
Mactra deluta species | accepted (GBIF) | No associated record in PBDB | |||
Mactra deshayesi species | accepted (GBIF) | No associated record in PBDB | |||
Mactra dissimilis species | accepted (GBIF) listed (PBDB) | ||||
Mactra eburnea species | accepted (GBIF) | No associated record in PBDB | |||
Mactra emmonsi species | accepted (GBIF) | No associated record in PBDB | |||
Mactra erebea species | accepted (GBIF) | No associated record in PBDB | |||
Mactra eximia species | accepted (GBIF) | No associated record in PBDB | |||
Mactra formosa species | accepted (GBIF) | No associated record in PBDB | |||
Mactra fuegiensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra gaviotensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra gibbsana ✝ species | listed (PBDB) | ||||
Mactra gigas species | accepted (GBIF) | No associated record in PBDB | |||
Mactra glabrata species | accepted (GBIF) | No associated record in PBDB | |||
Mactra glauca species | accepted (GBIF) | No associated record in PBDB | |||
Mactra gracilus species | accepted (GBIF) | No associated record in PBDB | |||
Mactra grandis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra grateloupi species | accepted (GBIF) | No associated record in PBDB | |||
Mactra guidoi species | accepted (GBIF) | No associated record in PBDB | |||
Mactra hamiltonensis ✝ species | accepted (GBIF) listed (PBDB) | ||||
Mactra holmesi species | accepted (GBIF) | No associated record in PBDB | |||
Mactra huerfanensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra inaequalis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra inaequilateralis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra inaequipartita species | accepted (GBIF) | No associated record in PBDB | |||
Mactra incarnata species | accepted (GBIF) | No associated record in PBDB | |||
Mactra incerta species | accepted (GBIF) | No associated record in PBDB | |||
Mactra incomatensis ✝ species | accepted (GBIF) listed (PBDB) | ||||
Mactra incompta species | accepted (GBIF) | No associated record in PBDB | |||
Mactra insularum species | accepted (GBIF) | No associated record in PBDB | |||
Mactra iridescens species | accepted (GBIF) | No associated record in PBDB | |||
Mactra irizari ✝ species | accepted (GBIF) listed (PBDB) | 12 | 56.0 Ma Paleocene | 5.33 Ma Miocene | |
Mactra isabelleana species | accepted (GBIF) listed (PBDB) | 5 | 0.13 Ma Pleistocene | 0 Ma Extant | |
Mactra jacksonensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra kanakina species | accepted (GBIF) | No associated record in PBDB | |||
Mactra largillierti species | accepted (GBIF) | No associated record in PBDB | |||
Mactra levesquei species | accepted (GBIF) | No associated record in PBDB | |||
Mactra lignaria species | accepted (GBIF) | No associated record in PBDB | |||
Mactra lilacea species | accepted (GBIF) listed (PBDB) | 2 | 0.13 Ma Pleistocene | 0.13 Ma Pleistocene | |
Mactra luzonica species | accepted (GBIF) | No associated record in PBDB | |||
Mactra maculata species | accepted (GBIF) listed (PBDB) | ||||
Mactra maia species | accepted (GBIF) | No associated record in PBDB | |||
Mactra marcida species | accepted (GBIF) | No associated record in PBDB | |||
Mactra marplatensis species | accepted (GBIF) listed (PBDB) | 5 | 0.01 Ma Pleistocene | 0 Ma Extant | |
Mactra marwicki species | accepted (GBIF) | No associated record in PBDB | |||
Mactra matronensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra mekranensis ✝ species | accepted (GBIF) listed (PBDB) | ||||
Mactra mera species | listed (PBDB) | 3 | 5.33 Ma Miocene | 0 Ma Extant | |
Mactra mississippiensis species | accepted (GBIF) listed (PBDB) | 1 | 33.9 Ma Oligocene | 33.9 Ma Oligocene | |
Mactra mitis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra nipponica species | accepted (GBIF) | No associated record in PBDB | |||
Mactra nitidula species | accepted (GBIF) | No associated record in PBDB | |||
Mactra oblonga ✝ species | accepted (GBIF) listed (PBDB) | 2 | 23.0 Ma Miocene | 20.4 Ma Miocene | |
Mactra ochracea species | accepted (GBIF) | No associated record in PBDB | |||
Mactra olorina ✝ species | accepted (GBIF) listed (PBDB) | 8 | 56.0 Ma Paleocene | 47.8 Ma Eocene | |
Mactra opposita species | accepted (GBIF) | No associated record in PBDB | |||
Mactra ordinaria species | accepted (GBIF) listed (PBDB) | 1 | 0.78 Ma Pleistocene | 0 Ma Extant | |
Mactra ovalis species | listed (PBDB) | 6 | 5.33 Ma Miocene | 0 Ma Extant | |
Mactra patagonica species | accepted (GBIF) listed (PBDB) | 18 | 23.0 Ma Miocene | 0 Ma Extant | |
Mactra paulucci species | accepted (GBIF) | No associated record in PBDB | |||
Standella pellucida species | accepted (GBIF) listed (PBDB) | ||||
Mactra pervetus species | accepted (GBIF) | No associated record in PBDB | |||
Mactra petitii species | accepted (GBIF) | No associated record in PBDB | |||
Mactra piscinasina species | accepted (GBIF) | No associated record in PBDB | |||
Mactra plana species | accepted (GBIF) | No associated record in PBDB | |||
Mactra procrassa ✝ species | accepted (GBIF) listed (PBDB) | 1 | 3.60 Ma Pliocene | 3.60 Ma Pliocene | |
Mactra profragilis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra protoreevesii species | accepted (GBIF) | No associated record in PBDB | |||
Mactra pulchella species | accepted (GBIF) | No associated record in PBDB | |||
Mactra pura species | accepted (GBIF) | No associated record in PBDB | |||
Mactra pusilla species | accepted (GBIF) | No associated record in PBDB | |||
Mactra pusilla ✝ species | doubtful (GBIF) listed (PBDB) | 4 | 23.0 Ma Miocene | 20.4 Ma Miocene | |
Mactra quadrangularis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra quadricentennialis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra queenslandica species | accepted (GBIF) listed (PBDB) | ||||
Mactra quirosana species | accepted (GBIF) | No associated record in PBDB | |||
Mactra radiata species | accepted (GBIF) | No associated record in PBDB | |||
Mactra rochebrunei species | accepted (GBIF) | No associated record in PBDB | |||
Mactra rupellensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra sammamishensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra sauliana species | accepted (GBIF) | No associated record in PBDB | |||
Mactra semistriata species | accepted (GBIF) | No associated record in PBDB | |||
Mactra sericea species | accepted (GBIF) listed (PBDB) | ||||
Mactra sincola species | accepted (GBIF) | No associated record in PBDB | |||
Mactra siouxensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra sirena species | accepted (GBIF) | No associated record in PBDB | |||
Mactra solida species | listed (PBDB) | 3 | 3.60 Ma Pliocene | 0 Ma Extant | |
Mactra solidissima species | accepted (GBIF) | No associated record in PBDB | |||
Mactra stantoni ✝ species | accepted (GBIF) listed (PBDB) | ||||
Mactra stultorum species | accepted (GBIF) listed (PBDB) | 4 | 5.33 Ma Miocene | 0 Ma Extant | |
Mactra substriatella species | accepted (GBIF) | No associated record in PBDB | |||
Mactra subtriangula species | accepted (GBIF) | No associated record in PBDB | |||
Mactra tenuissima ✝ species | listed (PBDB) | 2 | 66.0 Ma Late/Upper Cretaceous | 66.0 Ma Late/Upper Cretaceous | |
Mactra texana species | accepted (GBIF) | No associated record in PBDB | |||
Mactra thaanumi species | accepted (GBIF) | No associated record in PBDB | |||
Mactra trampasensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra tripartita ✝ species | accepted (GBIF) listed (PBDB) | ||||
Mactra truncata species | listed (PBDB) | 2 | 3.60 Ma Pliocene | 0 Ma Extant | |
Mactra tumbezia species | accepted (GBIF) listed (PBDB) | ||||
Mactra tumida ✝ species | accepted (GBIF) listed (PBDB) | 1 | 38.0 Ma Eocene | 38.0 Ma Eocene | |
Mactra turgida species | accepted (GBIF) listed (PBDB) | ||||
Mactra umbonalis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra undula species | accepted (GBIF) | No associated record in PBDB | |||
Mactra utahensis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra violacea species | accepted (GBIF) | No associated record in PBDB | |||
Mactra vitaliana species | accepted (GBIF) | No associated record in PBDB | |||
Mactra warrenana species | accepted (GBIF) | No associated record in PBDB | |||
Mactra westralis species | accepted (GBIF) | No associated record in PBDB | |||
Mactra willcoxii species | accepted (GBIF) | No associated record in PBDB | |||
Mactra zorritensis species | accepted (GBIF) | No associated record in PBDB |
Obsolete Names
Name | Source | Taxon Rank | Taxonomy |
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Nannomactra Iredale, 1930 | GBIF | genus | Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Nannomactra |
Colorimactra Iredale, 1929 | GBIF | genus | Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Colorimactra |
Trigonella da Costa, 1778 | GBIF | genus | Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Trigonella |
Deikea Mayer-Eymar, 1872 | GBIF | genus | Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Deikea |
Macra Fabricius, 1823 | GBIF | genus | Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Macra |
Telemactra Iredale, 1929 | GBIF | genus | Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Telemactra |
Synonymy List
Year | Name and Author |
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1767 | Mactra Linnaeus p. 1125 |
1854 | Mactra gabiotensis Conrad p. 194 figs. pi. 7, fig. 3 |
1857 | Mactra Deshayes |
1904 | Mactra Glenn p. 285 |
1916 | Mactra Packard p. 278 |
1931 | Mactra Olsson p. 66 |
1935 | Mactra Oostingh p. 195 |
1939 | Mactra Mukerjee p. 14 |
1944 | Mactra Durham p. 151 |
1969 | Mactra da Silva Forti p. 90 |
Year | Name and Author |
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1980 | Mactra Vokes p. 135 |
1983 | Mactra Gliozzi and Malatesta p. 98 |
1984 | Mactra Gazdzicki and Pugaczewska p. 102 |
1992 | Mactra Lamprell and Whitehead p. 76 |
1995 | Mactra Frassinetti and Covacevich p. 54 |
2002 | Mactra Matsubara p. 141 |
2002 | Mactra Sepkoski, Jr. |
2006 | Mactra Beu p. 225 |
2010 | Mactra Bouchet et al. |
2016 | Mactra Signorelli and Carter p. 209 figs. Table 1 |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!