Neverita subreclusiana (FOSSIL) A.A. Olsson, 1931 †
Natica subsolida (FOSSIL) A.V.M.D. D'Orbigny,1847 †
Natica subspirata (FOSSIL) Münster, 1841 †
Austrocochlis substolida (FOSSIL) (R. Tate, 1893 †)
Polinices subtenuis (FOSSIL) H.F.A. von Ihering,1907 †
Natica subvarians (FOSSIL) R. Tate, 1893 †
Tectonatica suffusa (L.A. Reeve, 1855)
Stigmaulax sulcata (I. von Born, 1778)
Natica sulcatula (FOSSIL) Bose, 1906 †
Sinum sulcatus (FOSSIL) (J.P.S. Grateloup,1825 †)
Cochlis sulcogradata (FOSSIL) Pedriali & E. Robba,2005 †
Falsilunatia superperforata (FOSSIL) R.K. Dell, 1956 †
Gyrodes supraplicatus (FOSSIL) (T.A. Conrad, 1858 †)
Spelaenacca sutherlandi (FOSSIL) J. Marwick, 1924 †
Natica suturalis E. Forbes, 1846
Friginatica suturalis (FOSSIL) (F.W. Hutton, 1877 †)
Mammilla syrphetodes R.N. Kilburn, 1976
Tanea tabularis (J.T. Kuroda, 1961)
Euspira talismani P. Bouchet & A. Warén,1993
Taniella tantilla (FOSSIL) J. Marwick, 1960 †
Tejonia tapia (FOSSIL) (Feruglio, 1935 †)
Polinices tawhitirahia A.W.B. Powell, 1965
Tectonatica tecta (H.E. Anton, 1838)
Tectonatica tecta stimpsoni P. Bartsch, 1915
Tectonatica tectula (FOSSIL) F. Sacco, 1890 †
Natica tedbayeri H.A. Rehder, 1986
Euspira tenuicula (FOSSIL) G.P. Deshayes, 1864 †
Bulbus tenuiculus (G.B. III Sowerby, 1915)
Tanea tenuipicta (J.T. Kuroda, 1961)
Euspira tenuis (C.A. Récluz, 1851)
Euspira tenuistriata (P. Dautzenberg& H. Fischer, 1911)
Amauropsona teres (FOSSIL) (J. Marwick, 1924 †)
Eunaticina textilis (FOSSIL) Stanton †
Glossaulax thomsonae (FOSSIL) C.J.S. Hickman, 1969 †
Notocochlis tigrina (P.F. Röding, 1798)