Macrochilina hospitalis (FOSSIL) J. Perner, 1903 †
Macrochilina humilis (FOSSIL) Keyes, 1889 †
Macrochilina imbricata (FOSSIL) (Sowerby, 1827 †)
Strobeus immanis (FOSSIL) B.S. Kues & Batten,2001 †
Macrochilina inaequistriata (FOSSIL) (Münster, 1841 †)
Cylindritopsis inflatus (FOSSIL) C. Gemmellaro, 1889 †
Cylindritopsis insolitus (FOSSIL) (Chronic, 1952 †)
Strobeus intercalaris (FOSSIL) (F.B. Meek& A.H. Worthen, 1860 †)
Macrochilina intermedia (FOSSIL) J. Perner, 1903 †
Soleniscus intusplicatus (FOSSIL) (C. Gemmellaro, 1889 †)
Palaeocarboninia jankei (FOSSIL) K. Bandel & Heidelberger,2002 †
Nanochilina japonica (FOSSIL) A. Nützel & Nakazawa,2012 †
Soleniscus kansaensis (FOSSIL) (Shumard & Swallow,1858 †)
Strobeus keyesi (FOSSIL) Rowley, 1900 †
Soleniscus klipparti (FOSSIL) F.B. Meek, 1871 †
Leptoptygma laetus (FOSSIL) Pan & Erwin, 2002 †
Bulimorpha lavrskyi (FOSSIL) Mazaev, 2015 †
Macrochilina lincta (FOSSIL) (B. Phillips, 1841 †)
Ianthinopsis medialis (FOSSIL) (F.B. Meek& A.H. Worthen, 1860 †)
Bulimorpha melanioides (FOSSIL) Mansuy, 1914 †
Ianthinopsis melanoides (FOSSIL) R.P. Whitfield, 1882 †
Macrochilina meridionalis (FOSSIL) (B. Phillips, 1841 †)
Soleniscus micidus (FOSSIL) Pan & Erwin, 2002 †
Bulimorpha micra (FOSSIL) Yu & Xi, 1974 †
Cylindritopsis minimus (FOSSIL) C. Gemmellaro, 1889 †
Soleniscus minor (FOSSIL) de Koninck, 1881 †
Bulimorpha minor (FOSSIL) Thein & Nitecki, 1974 †
Macrochilina modesta (FOSSIL) Girty, 1909 †
Soleniscus mongolicus (FOSSIL) A.W. Grabau, 1931 †
Soleniscus monodontiformis (FOSSIL) de Koninck, 1881 †
Scalitina montana (FOSSIL) Spriesterbach, 1919 †
Strobeus mucronatus (FOSSIL) Yin, 1932 †
Strobeus naticaeformis (FOSSIL) Heidelberger, 2001 †
Macrochilina neritoides (FOSSIL) (G.A. Goldfuss, 1844 †)
Soleniscus netchaevi (FOSSIL) Mazaev, 2015 †