Cymbularia stricta (FOSSIL) Yü, 1961 †
Bellerophon strictocanaliculus (FOSSIL) Pan, 1983 †
Bellerophon stummi (FOSSIL) E.G. Linsley, 1968 †
Sphenosphaera subangularis (FOSSIL) (Ulrich & Scofield,1897 †)
Bellerophon subcostatus (FOSSIL) Fliegel, 1901 †
Bellerophon subglobatus (FOSSIL) Sedgwick & F. McCoy,1855 †
Bellerophon subglobulus (FOSSIL) Ulrich & Scofield, 1897 †
Bellerophon sublaevis (FOSSIL) V.L.V. Potiez& A. Michaud, 1838 †
Sphenosphaera subpatula (FOSSIL) (Ulrich & Scofield,1897 †)
Bellerophon sverdrupi (FOSSIL) Tolmachoff, 1930 †
Bellerophon swainsensis (FOSSIL) E.K. Yoo, 1994 †
Teutonophon tangentialis (FOSSIL) (B. Phillips, 1836 †)
Bubovicus tarda (FOSSIL) (J. Perner, 1903 †)
Coelocyclus telescopus (FOSSIL) (Frech, 1894 †)
Bellerophon tenuifascia (FOSSIL) Sowerby, 1825 †
Bellerophon tenuilineata (FOSSIL) Gurley, 1884 †
Bucanopsis tenuis (FOSSIL) Weir, 1931 †
Bellerophon tenureticulatum (FOSSIL) Xi, 1994 †
Khumerspira thailandensis (FOSSIL) A. Nützel & Ketwetsuriya,2016 †
Ptychosphaera thalia (FOSSIL) (J.W. Hall, 1859 †)
Joleaudella transiens (FOSSIL) (Reed, 1921 †)
Bellerophon triangularis (FOSSIL) L. Waagen, 1880 †
Bucanopsis trisinuata (FOSSIL) (Öpik, 1953 †)
Sphenosphaera troosti (FOSSIL) (A.E.J. Férussac& A.V.M.D. D'Orbigny, 1840 †)
Coelocyclus tschernyschevi (FOSSIL) (J. Perner, 1903 †)
Sphaerocyclus tuber (FOSSIL) (J.W. Hall, 1879 †)
Aglaoglypta tuberculatus (FOSSIL) (A.E.J. Férussac& A.V.M.D. D'Orbigny, 1840 †)
Liljevallospira tubulosa (FOSSIL) (Lindström, 1884 †)
Cymbularia turnbulli (FOSSIL) Reed, 1921 †
Bellerophon ulrichi (FOSSIL) Weller, 1906 †
Teutonophon umbilicatus (FOSSIL) (V.L.V. Potiez& A. Michaud, 1838 †)
Bellerophon vasulites (FOSSIL) P.D. Montfort, 1808 †
Aglaoglypta veeversi (FOSSIL) A.G. Cook, 1998 †
Waagenella vespertinus (FOSSIL) W.J. Gordon& E.L. Yochelson, 1983 †
Bellerophon vigilii (FOSSIL) Stache, 1877 †