Onchidium aberrans C.G. Semper, 1885
Onchidella accrensis (H.P. Plate, 1893)
Melayonchis aileenae Dayrat & Goulding, 2017
Labbella ajuthiae (A. Labbé, 1935)
Peronina alta H.P. Plate, 1893
Onchidium ambiguum C.G. Semper, 1885 Queensland
Platevindex amboinae (H.P. Plate, 1893)
Melayonchis annae Dayrat, 2017
Peronia anomala A. Labbé, 1934
Onchidium applanatum H.R. Simroth, 1918
Onchidella armadilla (O.A.L. Mörch, 1863) Cuba
Scaphis astridae (A. Labbé, 1934)
Scaphis atra (R.P. Lesson, 1831)
Onchidina australis (C.G. Semper, 1880) New South Wales
Onchidella borealis W.H. Dall, 1872 Washington
Peronia branchifera (H.P. Plate, 1893)
Onchidella brattstroemi Ev. Marcus, 1978
Paraoncidium buetschlii (Stantschinsky, 1907)
Onchidium burnupi W.E. Collinge, 1902
Onchidella campbelli H. Filhol, 1880 New Zealand, Auckland
Scaphis carbonaria (A. Labbé, 1934)
Onchidella carpenteri (W.G. Binney, 1861) Costa Rica
Onchidella celtica (G.L.C.F.D. Cuvier, 1816) Canary Islands, Lanzarote7 mm
Paraoncidium chameleon (J.W. Brazier, 1886) New South Wales
Oncis cinerea N.H. Odhner, 1917
Onchidium cinereum J.R.C. Quoy& J.P. Gaimard, 1832
Onchidium daemelli C.G. Semper, 1885
Onchidium damelli C.G. Semper, 1882 New South Wales
Onchidium durum A. Labbé, 1934
Melayonchis eloisae Dayrat, 2017
Lessonina ferruginea (R.P. Lesson, 1831)
Paraperonia fidjiensis (A. Labbé, 1934)
Onchidella flavescens K. von Wissel, 1904 New Zealand
Onchidella floridana (W.H. Dall, 1885) Florida, Palm Beach County
Peronia gaimardi A. Labbé, 1934