Leptochiton odhneri (J.R.M. Bergenhayn, 1931)
Leptochiton okamurai H. Saito, 2001
Leptochiton otagoensis (T. Iredale & A.F.B. Hull,1929)
Leptochiton pepezamorai Zalvide & al., 2004
Leptochiton pergranatus W.H. Dall, 1889
Leptochiton permodestus P. Kaas, 1985
Leptochiton perscitus P. Kaas, 1991
Leptochiton peruvianus B.I. Sirenko, 2015
Leptochiton pseudogloriosus H.L. Strack, 1991
Leptochiton rarinota (J.G. Jeffreys, 1883)
Leptochiton reiectus (FOSSIL) (G.F. Laghi, 2005 †)
Leptochiton rissoi (H.F. Nierstrasz, 1905)
Leptochiton rogeri J.D. Sigwart & B.I. Sirenko,2015
Leptochiton rugatus (P.P. Carpenterin H.A. Pilsbry, 1892)
Leptochiton saitoi B.I. Sirenko, 2001
Leptochiton samadiae J.D. Sigwart & B.I. Sirenko,2012
Leptochiton sanmatiensis Güller, Liuzzi& D.G. Zelaya, 2015
Leptochiton sarsi P. Kaas, 1981
Leptochiton scabridus (J.G. Jeffreys, 1880)
Leptochiton schwabei J.D. Sigwart & B.I. Sirenko,2012
Leptochiton seishinmaruae H. Saito, 1997
Leptochiton shapovalovi (FOSSIL) B.I. Sirenko, 2013 †
Leptochiton sibiricus (FOSSIL) (Shurygin, 2001 †)
Leptochiton sigwartae B.I. Sirenko, 2015
Leptochiton smirnovi Sirenko, 2016
Leptochiton sperandus (T. Iredale & A.F.B. Hull,1925)
Leptochiton subantarcticus (T. Iredale & A.F.B. Hull,1930)
Leptochiton surugensis H. Saito, 1997
Leptochiton sykesi (G.B. III Sowerby, 1903)
Leptochiton tenuidontus H. Saito & T.A. Okutani,1990
Leptochiton tenuis P. Kaas, 1979
Leptochiton thalattius P. Kaas & R.A. Van Belle,1985
Leptochiton thandari B.I. Sirenko, 2001
Leptochiton torishimensis (W.L. Wu & T.A. Okutani,1984)
Leptochiton troncosoi Zalvide & al., 2004