Turris subconcava (FOSSIL) G.F. Harris, 1897 †
Gemmula subdenticulata (FOSSIL) (Münster, 1844 †)
Gemmula subfenestrata S. Kosuge, 1990
Gemmula submonilifera (FOSSIL) M.E.A. de Boury, 1899 †
Pleurotoma suboblitus H.A. Pilsbry, 1904
Pleuroliria subsimilis (FOSSIL) T.L. Casey, 1937 †
Andonia subulata (FOSSIL) (G.P. Deshayes, 1833 †)
Eopleurotoma sulcatina (FOSSIL) A.E.M. Cossmann, 1889 †
Nangulanica sultani (FOSSIL) (K. Martin, 1914 †)
Polystira sunderlandi E.J. Petuch, 1987
Pleuroliria supramirifica (FOSSIL) Gregario, 1890 †
Surculoma tabulata (FOSSIL) (T.A. Conrad, 1833 †)
Turris tanyspira R.N. Kilburn, 1975
Pleurofusia tauzini (FOSSIL) P. Lozouet, 2015 †
Ptychosyrinx taverai (FOSSIL) C. Nielsen, 2003 †
Lophiotoma tayabasensis B.M. Olivera, 2004
Gemmula taylori (FOSSIL) Garvie, 2013 †
Polystira tellea (W.H. Dall, 1889)
Polystira tenagos (FOSSIL) J. Gardner, 1937 †
Coronia tenella (FOSSIL) (T.A. Conrad, 1848 †)
Gemmula tenuistriata (FOSSIL) (G.P. Deshayes, 1834 †)
Cosmasyrinx tereumera (FOSSIL) J. Marwick, 1931 †
Lepicythara terminula (FOSSIL) (W.H. Dall, 1890 †)
Gemmula teschi (A.W.B. Powell, 1964)
Gemmula tessellata A.W.B. Powell, 1967
Fusiclathurella thersites (FOSSIL) (K. Martin, 1914 †)
Gemmula thielei H.J. Finlay, 1930
Gemmula thyrsus (FOSSIL) E.W. Vredenburg, 1921 †
Lophiotoma tigrina (J.B.P.A. Lamarck, 1822)
Turris tigrinaeformis S. Nomura, 1936
Ptychosyrinx timorensis (J.J. Tesch, 1915)
Fusimilis tippanus (FOSSIL) T.A. Conrad, 1858 †
Turris totiphyllis B.M. Olivera, 2000
Kuroshioturris totomiensis (J. Makiyama, 1931)
Michela trabeatoides (FOSSIL) (G.F. Harris, 1895 †)