Abstract
Tripaphylus Richiardi in Anonymous, 1878 is one of the genera of the Sphyriidae Wilson, 1919 and it currently accommodates ten species. Only scanty descriptions are available for the females and some males of the species. Tripaphylus specimens, described and illustrated in this paper, were collected from elasmobranch hosts off the South African coast or came from the private collection of the late Dr G. Benz. Collected specimens were fixed and preserved in 70% ethanol, examined by light - and scanning electron microscopy, and compared with the known species. Descriptions and illustrations are provided for the transformed adult females and males of T. elongatus (Wilson, 1932) and T. versicolor (Wilson, 1919) while illustrated descriptions of the transformed adult females are also provided for T. ferox (Wilson, 1919) and T. vaissierei (Delamare Deboutteville & Nuñes-Ruivo, 1954). Additionally, the material previously reported as T. ferox is considered to represent T. elongatus and that reported as T. lobatus (Kirtisinghe, 1964) is considered a junior synonym of T. vaissierei. Based on the collected material the transformed adult female and male of T. lewisi n. sp. are described as well as the adult transformed females of T. benzi n. sp., T. hoi n. sp., and T. beatricae n. sp. A summarised review of the main features is provided for each of the previously described T. musteli (van Beneden, 1851), T. hemigalei Kirtisinghe, 1964, T. australis (Kabata, 1993), T. triakis (Castro Romero, 2001) and T. asymboli (Turner, Kyne & Bennett, 2003). Furthermore, reasons are provided for the recommendation that T. hemigalei be considered a species inquirenda. An identification key to the transformed adult females of all species of Tripaphylus is provided and the host records are also updated.
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Acknowledgements
The author thanks the Department of Biodiversity at the University of Limpopo (UL) and KwaZulu-Natal Sharks Board and for field and laboratory support, Ms A. Möller (UL) for assistance with SEM observations, Mr R Sandrock (UL) for help with photos and illustrations, Ms BP Jordaan (UL), Ms MC Lebepe (UL) and Mr T Mangena (UL) for assistance with field work and the Department of Research Development and Administration (UL) for financial support. I am also grateful to Dr G Benz for providing the specimens of T. ferox and T. versicolor from his collection and for assistance when I started this study and to Mr C Ruiz (Auburn University, USA) who spend time finding the information about these specimens in the personal notes of the late Dr G Benz. Additionally I wish to thank Mr D Vaughan (then an employee of the Oceanographic Research Institute (ORI)) for the collection of T. lewisi specimens. Furthermore, I have to acknowledge the Department of Agriculture, Forestry and Fisheries (DAFF) for permission to participate in demersal surveys and Marine Dynamics (Kleinbaai), especially Mr W Chivell and Mr H Otto, who assisted with obtaining host specimens and provision of laboratory space. The National Research Foundation (NRF) is acknowledged for a research grant that enabled the collection of copepods from by-catches during DAFF surveys. Any opinion, findings and conclusions or recommendations expressed in this paper are those of the author and thus the NRF does not accept any liability in this regard. Lastly I want to thank the reviewers of the manuscript for valuable comments to improve the manuscript.
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National Research Foundation (NRF) 61251 and University of Limpopo.
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This article was registered in the Official Register of Zoological Nomenclature (ZooBank) as 2CDC575E-04E8-4AFE-B319-D3B4DACB286D. This article was published as an Online First article on the online publication date shown on this page. The article should be cited by using the doi number. This is the Version of Record.
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Dippenaar, S.M. Description of four new species and a revision of the genus Tripaphylus Richiardi in Anonymous, 1878 (Copepoda: Siphonostomatoida: Sphyriidae). Syst Parasitol 95, 173–200 (2018). https://doi.org/10.1007/s11230-017-9767-8
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DOI: https://doi.org/10.1007/s11230-017-9767-8