{{Short description|Genus of gastropods}} {{Use dmy dates|date=December 2023}} {{Automatic taxobox | image = Onchidella nigricans.png | image_caption = ''Onchidella nigricans'' | image2 = Onchidella.jpg | image2_caption = ''Onchidella'' sp. at Murrays Bay, Auckland, New Zealand | taxon = Onchidella | authority = Gray, 1850 | subdivision_ranks = Species | subdivision = ''See text'' | synonyms_ref = <ref name ="WoRMS" /> | synonyms = * ''Arctonchis'' <small>Dall, 1905</small> * ''Occidentella'' <small>Hoffmann, 1929</small> * ''Oncidiella'' <small>Crosse & P. Fischer, 1878</small> * ''Peronella'' <small>Mörch, 1863</small> (Invalid: junior homonym of ''Peronella'' <small>Gray, 1855</small> [Echinodermata]) * ''Peroniella'' <small>Starobogatov, 1976</small> }}
'''''Onchidella''''' is a genus of small, air-breathing sea slugs, shell-less marine pulmonate gastropod molluscs in the family Onchidiidae.
==Species== According to the World Register of Marine Species (WoRMS), the following species with valid names are included within the genus ''Onchidella'' :<ref name ="WoRMS">[http://www.marinespecies.org/aphia.php?p=taxdetails&id=138283 WoRMS : Onchidella; accessed : 30 September 2010]</ref> {{div col|colwidth=20em}} * ''Onchidella accrensis'' (Plate, 1893) * ''Onchidella armadilla'' (Mörch, 1863) * ''Onchidella binneyi'' Stearns, 1894 * ''Onchidella borealis'' <small>Dall, 1871</small> - northwest ''Onchidella'' * ''Onchidella brattstroemi'' <small>Ev. Marcus, 1978</small> * ''Onchidella campbelli'' <small>Filhol, 1880</small> * ''Onchidella carpenteri'' <small>(W. G. Binney, 1860)</small> (nomen dubium) * ''Onchidella celtica'' (Cuvier, 1817) * ''Onchidella flavescens'' <small>Wissel, 1904</small> * ''Onchidella floridana'' <small>(Dall, 1885)</small> - Florida ''Onchidella'' * ''Onchidella incisa'' (Quoy & Gaimard, 1832) * ''Onchidella indolens'' (Couthouy in Gould, 1852) * ''Onchidella kurodai'' (Taki, 1935) * ''Onchidella maculata'' (Plate, 1893) * ''Onchidella marginata'' (Couthouy in Gould, 1852) * ''Onchidella miusha'' Ev. Marcus, 1978 * ''Onchidella monodi'' (Gabe, Prenant & Sourie, 1951) * ''Onchidella nigricans'' <small>(Quoy & Gaimard, 1832)</small> * ''Onchidella oniscioides'' (Blainville, 1816) * ''Onchidella orientalis'' (Taki, 1935) * ''Onchidella pachyderma'' (Plate, 1893) * ''Onchidella philippei'' Ev. Marcus, 1979 * ''Onchidella reticulata'' (Semper, 1885) * ''Onchidella souriei'' (Gabe & Prenant, 1955) * ''Onchidella steindachneri'' <small>(J. O. Semper, 1882)</small> - Galapagos Islands * ''Onchidella wah'' <small>Ev. Marcus, 1978</small> {{div col end}} ;Synonymized species : * ''Onchidella capensis'' - South Africa : synonym of ''Onchidella maculata'' (Plate, 1893) * ''Onchidella chilensis'' (Huppé in Gay, 1854) accepted as Checked: verified by a taxonomic editorOnchidella marginata (Couthouy in Gould, 1852) * ''Onchidella condoriana'' Rochebrune, 1882 : synonym of ''Oncis stuxbergi'' (Westerlund, 1883) * ''Onchidella griseofusca'' Tapparone-Canefri, 1874 accepted as ''Onchidium griseofuscum'' (Tapparone-Canefri, 1874) * ''Onchidella griseo-fusca'' Tapparone Canefri, 1874 accepted as Unreviewed: has not been verified by a taxonomic editorOnchidium griseofuscum (Tapparone Canefri, 1874) * ''Onchidella hardwickii'' Gray, 1850 accepted as ''Onchidium hardwickii'' (Gray, 1850) * ''Onchidella hildae'' (Hoffmann, 1928): synonym of ''Onchidella binneyi'' Stearns, 1894 * ''Onchidella irrorata'' (Gould, 1852) accepted as ''Onchidella nigricans'' (Quoy & Gaimard, 1832) * ''Onchidella juanfernandeziana'' (Wissel, 1898) accepted as ''Onchidella marginata'' (Couthouy in Gould, 1852) * ''Onchidella nigra'' Gray, 1850 accepted as ''Scaphis atra'' (Lesson, 1830) * ''Onchidella obscura'' (Plate, 1893) accepted as ''Onchidella nigricans'' (Quoy & Gaimard, 1832) * ''Onchidella patelloida'' (Quoy & Gaimard, 1832) accepted as ''Onchidella nigricans'' (Quoy & Gaimard, 1832) * ''Onchidella patelloides'' <small>(Quoy & Gaimard, 1832)</small> : synonym of ''Onchidella nigricans'' (Quoy & Gaimard, 1832) * ''Onchidella pulchella'' Watson, 1925 accepted as ''Onchidella maculata'' (Plate, 1893) * ''Onchidella reevesii'' Reeve in J.E. Gray, 1850 accepted as ''Paraoncidium reevesii'' (Reeve in J.E. Gray, 1850) * ''Onchidella remanei'' Er. Marcus & Ev. Marcus, 1956 accepted as ''Onchidella celtica'' (Cuvier, 1817)
==References== {{Commons category|Onchidella}} {{Reflist}} * {{ITIS |id=78761 |taxon=''Onchidella''}} * G M Branch, C L Griffiths, M L Branch, & L E Beckley, ''Two Oceans, A Guide to the Marine Life of Southern Africa'', David Philip Publishers (Pty) Ltd, Claremont, South Africa 1994 {{ISBN|0-86486-250-4}} * Powell A. W. B., ''New Zealand Mollusca'', William Collins Publishers Ltd, Auckland, New Zealand 1979 {{ISBN|0-00-216906-1}} * [http://ukmpas.org/species/Onchidellaceltica.htm Onchidella celtica]{{Dead link|date=January 2026 |bot=InternetArchiveBot }} * Dayrat, B. (2009) ''Review of the current knowledge of the systematics of Onchidiidae (Mollusca: Gastropoda: Pulmonata) with a checklist of nominal species''. Zootaxa 2068: 1–26
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Category:Onchidiidae Category:Gastropod genera Category:Taxa named by John Edward Gray
{{Onchidiidae-stub}}