Parachiton acuminatus (K.H.J. Thiele, 1909)
Parachiton africanus (H.F. Nierstrasz, 1906) Turkey, Canakkale6 mm
Leptochiton alascensis (K.H.J. Thiele, 1909) Alaska, Wrangell Island3,8 mm
Leptochiton albemarlensis A.G. Smith & A. Ferreira,1977 Galapagos
Leptochiton algesirensis (G. Capellini, 1859) Almeria, Spain18 mm
Leptochiton alveolus (S.L. Lovén, 1846) Norway, Kongsfjorden
Leptochiton americanus P. Kaas & R.A. Van Belle,1985
Leptochiton amsterdamensis P. Kaas & R.A. Van Belle,1990 Amsterdam Island
Leptochiton angustidens J.D. Sigwart& B.I. Sirenko, 2012 Vanuatu Island, New Hebrides
Leptochiton antarcticus B.I. Sirenko, 2015
Leptochiton arcticus (G.O. Sars, 1878) Norway, Kongsfjorden
Schematochiton arthurcooperi (FOSSIL) (Smith, 1976 †) United States, Texas, Brewster
Leptochiton asellus (J.F. Gmelin, 1791) UK, Plymouth10,4 mm
Leptochiton ater H. Saito, 1997 Japan, Suruga Bay
Leptochiton badius (C. Hedley& A.F.B. Hull, 1909) Western Australia
Leptochiton batialis B.I. Sirenko, 1978 Japan, Iwate
Leptochiton bednalli (W.G. Torr, 1912)
Leptochiton belknapi W.H. Dall, 1878 Alaska, Coronation Island18 mm
Leptochiton benthedi (E.H.J. Leloup, 1981) Madagascar, Iles Glorieuses
Leptochiton bergenhayni H. Saito, 2011 Japan, Izu Islands
Deshayesiella bidentata (Is. Taki, 1938)
Leptochiton binghami (C.E. Boone, 1928) Colombia
Leptochiton boettgeri Sulc, 1934 Mediterranean Sea
Leptochiton boucheti B.I. Sirenko, 2001 Vanuatu Island, New Hebrides
Lepidopleurus bouryi (FOSSIL) A. de Rochebrune, 1883 † France, Paris Basin
Lepidopleurus cajetanus (G.S. Poli, 1791) Italy, Cannizzaro16 mm
Leptochiton cancellatus (Sowerby, 1840) Italy, Capraia Island7 mm
Leptochiton cancelloides P. Kaas, 1982
Parachiton canistrus H. Saito, 1996
Parachiton capricornicus T. Iredale & A.F.B. Hull,1925
Pterochiton carbonarius (FOSSIL) (Stevens, 1858 †) Missouri, Saint Louis
Leptochiton cascadiensis Sigwart & C. Chen, 2017
Leptochiton chariessa (K.H. Barnard, 1963)
Asketochiton chubutensis (FOSSIL) Hoare & Sabattini, 2000 † Argentina, Chubut, Tehuelches
Leptochiton cimicoides (T.A. de M. Monterosato,1879) Italy, Scilla2,5 mm