# Onchidella

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{{Short description|Genus of gastropods}}
{{Use dmy dates|date=December 2023}}
{{Automatic taxobox
| image                 = Onchidella nigricans.png
| image_caption         = ''[Onchidella nigricans](/source/Onchidella_nigricans)''
| image2                = Onchidella.jpg
| image2_caption        = ''Onchidella'' sp. at [Murrays Bay](/source/Murrays_Bay), Auckland, New Zealand
| taxon                 = Onchidella
| authority             = [Gray](/source/John_Edward_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](/source/Peronella)'' <small>Gray, 1855</small> [Echinodermata])
* ''Peroniella'' <small>Starobogatov, 1976</small>
}}

'''''Onchidella''''' is a [genus](/source/genus) of small, air-breathing [sea slug](/source/sea_slug)s, shell-less [marine](/source/marine_(ocean)) [pulmonate](/source/pulmonate) [gastropod](/source/gastropod) [mollusc](/source/mollusc)s in the [family](/source/Family_(taxonomy)) [Onchidiidae](/source/Onchidiidae).

==Species==
According to the [World Register of Marine Species](/source/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](/source/Onchidella_accrensis)'' (Plate, 1893)
* ''[Onchidella armadilla](/source/Onchidella_armadilla)'' (Mörch, 1863)
* ''[Onchidella binneyi](/source/Onchidella_binneyi)'' Stearns, 1894
* ''[Onchidella borealis](/source/Onchidella_borealis)'' <small>[Dall](/source/W._H._Dall), 1871</small> - northwest ''Onchidella''
* ''[Onchidella brattstroemi](/source/Onchidella_brattstroemi)'' <small>Ev. Marcus, 1978</small>
* ''[Onchidella campbelli](/source/Onchidella_campbelli)'' <small>[Filhol](/source/Henri_Filhol), 1880</small>
* ''[Onchidella carpenteri](/source/Onchidella_carpenteri)'' <small>(W. G. Binney, 1860)</small> (nomen dubium)
* ''[Onchidella celtica](/source/Onchidella_celtica)'' (Cuvier, 1817)
* ''[Onchidella flavescens](/source/Onchidella_flavescens)'' <small>Wissel, 1904</small>
* ''[Onchidella floridana](/source/Onchidella_floridana)'' <small>([Dall](/source/W._H._Dall), 1885)</small> - Florida ''Onchidella''
* ''[Onchidella incisa](/source/Onchidella_incisa)'' (Quoy & Gaimard, 1832)
* ''[Onchidella indolens](/source/Onchidella_indolens)'' (Couthouy in Gould, 1852)
* ''[Onchidella kurodai](/source/Onchidella_kurodai)'' (Taki, 1935)
* ''[Onchidella maculata](/source/Onchidella_maculata)'' (Plate, 1893)
* ''[Onchidella marginata](/source/Onchidella_marginata)'' (Couthouy in Gould, 1852)
* ''[Onchidella miusha](/source/Onchidella_miusha)'' Ev. Marcus, 1978
* ''[Onchidella monodi](/source/Onchidella_monodi)'' (Gabe, Prenant & Sourie, 1951)
* ''[Onchidella nigricans](/source/Onchidella_nigricans)'' <small>([Quoy](/source/Jean_Ren%C3%A9_Constant_Quoy) & [Gaimard](/source/Joseph_Paul_Gaimard), 1832)</small>
* ''[Onchidella oniscioides](/source/Onchidella_oniscioides)'' (Blainville, 1816)
* ''[Onchidella orientalis](/source/Onchidella_orientalis)'' (Taki, 1935)
* ''[Onchidella pachyderma](/source/Onchidella_pachyderma)'' (Plate, 1893)
* ''[Onchidella philippei](/source/Onchidella_philippei)'' Ev. Marcus, 1979
* ''[Onchidella reticulata](/source/Onchidella_reticulata)'' (Semper, 1885)
* ''[Onchidella souriei](/source/Onchidella_souriei)'' (Gabe & Prenant, 1955)
* ''[Onchidella steindachneri](/source/Onchidella_steindachneri)'' <small>(J. O. Semper, 1882)</small> - Galapagos Islands
* ''[Onchidella wah](/source/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](/source/Oncis_stuxbergi)'' (Westerlund, 1883)
* ''Onchidella griseofusca'' Tapparone-Canefri, 1874 accepted as ''[Onchidium griseofuscum](/source/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](/source/Onchidium_hardwickii)'' (Gray, 1850)
* ''Onchidella hildae'' (Hoffmann, 1928): synonym of ''[Onchidella binneyi](/source/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](/source/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](/source/Jean_Ren%C3%A9_Constant_Quoy) & [Gaimard](/source/Joseph_Paul_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](/source/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.](/source/Arthur_William_Baden_Powell), ''New Zealand Mollusca'', [William Collins Publishers Ltd](/source/HarperCollins), 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

{{Taxonbar|from=Q7091961}}

Category:Onchidiidae
Category:Gastropod genera
Category:Taxa named by John Edward Gray

{{Onchidiidae-stub}}

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Adapted from the Wikipedia article [Onchidella](https://en.wikipedia.org/wiki/Onchidella) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Onchidella?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.