Amoria subfossilis P. Bail & A. Limpus, 2011
Lyria subharpula (FOSSIL) A.V.M.D. D'Orbigny, †
Lyria subharpula aquitanica M.A. Peyrot, 1925
Ericusa subtilis (FOSSIL) (N.H. Ludbrook, 1978 †)
Lyria subturgidula (FOSSIL) A.V.M.D. D'Orbigny,1850 †
Athleta subventricosa (FOSSIL) A.E.M. Cossmann, 1923 †
Lyria suduirauti (L. Bozzetti, 1997)
Voluta sula (FOSSIL) A.A. Olsson, 1930 †
Spinomelon superstes (FOSSIL) (J. Marwick, 1926 †)
Lyria surinamensis (T.A. Okutani, 1982)
Alcithoe suropsilos (FOSSIL) J.D. Stilwell& Zinsmeister, 1992 †
Volutospina suspensus (FOSSIL) (D.C. Solanderin G. Brander, 1766 †)
Spinomelon suteri (FOSSIL) (J. Marwick, 1926 †)
Athleta suturalis (FOSSIL) (P. Nyst, 1843 †)
Athleta symmetricus (FOSSIL) T.A. Conrad, 1854 †
Notovoluta tabulata (R. Tate, 1888)
Arctomelon tamikoae (S. Kosuge, 1970)
Scaphella tarbelliana (FOSSIL) (J.P.S. Grateloup,1840 †)
Alcithoe tateana (FOSSIL) (Johnston, 1880 †)
Lyria taurinia (FOSSIL) (G. Bonelli, 1825 †)
Palaeomelon taverai (FOSSIL) (J. Stuardo& M. de H. Villarroel, 1974 †)
Tractolira tenebrosa J.H. Leal & P. Bouchet,1985
Longiconcha tennesseensis (FOSSIL) (B. Wade, 1926 † †)
Cymbiola thatcheri (F. McCoy, 1868)
Spinomelon thomsoni (FOSSIL) J. Marwick, 1926 †
Calliotectum tibiaeforme (J.T. Kuroda, 1931)
Calliotectum tibiaeforme barneli P. Bail, 2006
Calliotectum tibiaeforme dupreyae (W.K. Emerson, 1985)
Calliotectum tibiaeforme johnsoni (P. Bartsch, 1942)
Calliotectum tibiaeforme williamsorum (H.A. Rehder, 1972)
Cymbiola tjilonganensis (FOSSIL) (K. Martin, 1906 †)
Psephaea tokunagai (FOSSIL) K. Kanehara, 1943 †
Scaphella tomscotti (FOSSIL) E.J. Petuch, 1994 †
Volutifusus torrei (H.A. Pilsbry, 1937)
Eopsephaea torulosa (FOSSIL) (G.P. Deshayes, 1835 †)