Macrochilina seneca (FOSSIL) A.H. Clarke, 1904 †
Strobeus shigetai (FOSSIL) A. Kaim, 2009 †
Labridens shupei (FOSSIL) E.L. Yochelson, 1956 †
Leptoptygma simplex (FOSSIL) (Knight, 1931 †)
Cylindritopsis sisophonensis (FOSSIL) Delpey, 1941 †
Soleniscus sosiensis (FOSSIL) C. Gemmellaro, 1889 †
Macrochilina sosioensis (FOSSIL) de Koninck 1881 †
Leptoptygma species (FOSSIL) †
Cylindritopsis spheroides (FOSSIL) Erwin, 1988 †
Strobeus stinesvillensis (FOSSIL) Cumings, 1906 †
Soleniscus strictus (FOSSIL) Wang, 1980 †
Bensbergia subcostata (FOSSIL) (von Schlotheim, 1820 †)
Strobeus subglobosus (FOSSIL) Yin, 1932 †
Macrochilina subimbricata (FOSSIL) (A.V.M.D. D'Orbigny,1850 †)
Macrochilina sublineata (FOSSIL) (Münster, 1841 †)
Macrochilina subovata (FOSSIL) Heidelberger, 2001 †
Macrochilina subtilis (FOSSIL) Spitz, 1907 †
Leptoptygma subtilistriatum (FOSSIL) (Knight, 1931 †)
Soleniscus subulitoides (FOSSIL) (C. Gemmellaro, 1889 †)
Soleniscus subzonatus (FOSSIL) (C. Gemmellaro, 1889 †)
Strobeus tantilla (FOSSIL) Rowley, 1900 †
Macrochilina texanus (FOSSIL) (Shumard, 1859 †)
Soleniscus transitoria (FOSSIL) A.W. Grabau, 1931 †
Macrochilina transitoria (FOSSIL) de Koninck 1881 †
Ianthinopsis tumenensis (FOSSIL) (Yin, 1932 †)
Ianthinopsis tumida (FOSSIL) (F.B. Meek& A.H. Worthen, 1861 †)
Macrochilina turbinea (FOSSIL) Whidborne, 1896 †
Macrochilina turrita (FOSSIL) E.A.L. Kittl, 1899 †
Soleniscus typicus (FOSSIL) F.B. Meek & A.H. Worthen,1860 †
Cylindritopsis vaningeni (FOSSIL) (Knight, 1931 †)
Soleniscus variabilis (FOSSIL) Erwin, 1988 †
Strobeus ventricosus (FOSSIL) (de Koninck, 1881 †)
Leptoptygma virgatum (FOSSIL) (Knight, 1931 †)
Strobeus welleri (FOSSIL) Knight, 1931 †
Decorochilina whidbornei (FOSSIL) (J. Perner, 1903 †)