Crassasulca burnupi (É. Lamy, 1920)
Crassatella camurus (FOSSIL) G.B. Pritchard, 1903 †
Anthonya cantiana (FOSSIL) Woods, 1906 †
Crassatella capensis (É. Lamy, 1917)
Crassatella carcarensis (FOSSIL) O.G. Michelotti, 1847 †
Talabrica carnea (R. Tate, 1891)
Crassatella carolinensis (FOSSIL) T.A. Conrad, 1875 †
Indocrassatella cherelae J. Poutiers, 1981
Kalolophus chipolanus (FOSSIL) (W.H. Dall, 1903 †)
Crassatella cipitis (FOSSIL) Berezovsky †
Crassatella cipitis curtus Berezovsky
Bathytormus clarkensis (FOSSIL) †
Spissatella clifdenensis (FOSSIL) Finlay, 1926 †
Salaputium communis (FOSSIL) (Tate 1896) †
Crassatella compressa (FOSSIL) J.B.P.A. Lamarck, 1806 †
Crassatella compressissima (FOSSIL) Dufour, 1881 †
Crassatella concentrica (FOSSIL) F. Dujardin, 1837 †
Cypricardella concentrica (FOSSIL) Hind, 1899 †
Crassatina contraria (J.F. Gmelin, 1791)
Eucrassatella corbuloides (L.A. Reeve, 1842)
Crassatella corioensis (FOSSIL) R. Tate, 1886 †
Crassatella corrugata (FOSSIL) R. Tate, 1886 †
Crassatina corrugata (A. Adams & L.A. Reeve,1850)
Crassinella coxa A.A. Olsson, 1964
Crassatella crebrilirata G.B. II Sowerby, 1870
Eucrassatella cumingii (C.B. Adams, 1854)
Crassatella curata (FOSSIL) G.P. Deshayes †
Bathytormus curatus (FOSSIL) (G.P. Deshayes, 1857 †)
Crassatella cygnea (FOSSIL) (J.H. Chemnitz, 1782 †)
Salaputium dakarense (R. von Cosel, 1995)
Crassatella dalli (FOSSIL) C.S. Weaver, 1916 †
Eucrassatella decipiens (L.A. Reeve, 1842)
Crassatella dennanti (FOSSIL) R. Tate, 1886 †
Crassatella dennati (FOSSIL) R. Tate, 1886 †
Crassatella densicostata (FOSSIL) Berezovsky †