Onchidella

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 :


 * Onchidella accrensis (Plate, 1893)
 * Onchidella armadilla (Mörch, 1863)
 * Onchidella binneyi Stearns, 1894
 * Onchidella borealis Dall, 1871 - northwest Onchidella
 * Onchidella brattstroemi Ev. Marcus, 1978
 * Onchidella campbelli Filhol, 1880
 * Onchidella carpenteri (W. G. Binney, 1860) (nomen dubium)
 * Onchidella celtica (Cuvier, 1817)
 * Onchidella flavescens Wissel, 1904
 * Onchidella floridana (Dall, 1885) - 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 (Quoy & Gaimard, 1832)
 * 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 (J. O. Semper, 1882) - Galapagos Islands
 * Onchidella wah Ev. Marcus, 1978


 * 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 (Quoy & Gaimard, 1832) : 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)