Kara, Jothi; Molina-Acevedo, Isabel C.; Zanol, Joana; Simon, Carol; Idris, Izwandy. (2020). Morphological and molecular systematic review of Marphysa Quatrefages, 1865 (Annelida: Eunicidae) species from South Africa. PeerJ. 8: e10076.

405394

10.7717/peerj.10076 [view]

Kara, Jothi; Molina-Acevedo, Isabel C.; Zanol, Joana; Simon, Carol; Idris, Izwandy

2020

8: e10076

Publication

World Polychaeta Database (WPolyD). Marphysa haemasona is misspelled as 'haemasoma' throughout (48 times). The error may first occur in Grube (1870), then Fauvel, 1902, but is not in the Hartman catalogue, where 'haemasona' is listed.

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A vast polychaete fauna is hidden behind complexes of cryptic and pseudo-cryptic species, which has greatly hindered our understanding of species diversity in several regions worldwide. Among the eunicids, Marphysa sanguinea Montagu, 1813 is a typical example, recorded in three oceans and with various species considered its junior synonyms. In South Africa, specimens previously misidentified as M. sanguinea are now known as Marphysa elityeni Lewis & Karageorgopoulos, 2008. Of the six Marphysa Quatrefages, 1865a species recorded from the same region, three have their distributions restricted to South Africa while the others are considered to have worldwide distributions. Here, we evaluated the taxonomic status of the indigenous M. elityeni and investigated the presence of the widespread species Marphysa macintoshi Crossland, 1903 and Marphysa depressa Schmarda, 1861 in South Africa using morphological and molecular data. Our results reveal that M. elityeni is a junior synonym of Marphysa haemasoma [sic, error for haemasona], a species previously described from South Africa which is herein reinstated as a valid species. Both M. macintoshi and M. depressa are not present in South Africa and their status as being distributed worldwide deserves further investigation. Marphysa durbanensis Day, 1934 and the new species described here, M. sherlockae n. sp., had been misidentified as M. macintoshi and M. depressa respectively. Thus, the number of Marphysa species with distributions restricted to South Africa increased from three to five. This study reiterates the importance of implementing an integrated taxonomic framework to unravel local biodiversity.

South Africa

Systematics, Taxonomy

Annelida
Polychaeta

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