Eucrassatella pulchra (L.A. Reeve, 1842)
Crassinella pygmaea (FOSSIL) †
Crassatella pyrenaicensis (FOSSIL) A.E.M. Cossmann, 1923 †
Indocrassatella quadrata (H. Noda, 1980)
Bathytormus quinlanensis (FOSSIL) (Stephenson 1941) †
Bathytormus radiata (G.B. I Sowerby, 1825)
Crassatella rafaeli (FOSSIL) DeVries, 2016 †
Crassatina raricostata (FOSSIL) Klushnikov, 1958 †
Eucrassatella rarytkensis (FOSSIL) Volobueva, 1981 †
Eucrassatella reevei (FOSSIL) (W.M. Gabb, 1873 †)
Chattonia remiensis (FOSSIL) (Cossmann & Pissarro 1906-1313) †,
Salaputium rhomboides (E.A. Smith, 1885)
Chattina rikae (K.L. Lamprell, 2003)
Crassatella riograndensis E.H. Vokes, 1973
Crenocrassatella rostrata (J.B.P.A. Lamarck, 1818)
Fluctiger royanus T. Iredale, 1924
Bathytormus ruellensis (FOSSIL) M. Glibert & Poel, 1970 †
Talabrica sagamiensis (J.T. Kuroda& T. Habe in J.T. Kuroda & al., 1971)
Tilicrassatella sanmartini (FOSSIL) DeVries, 2016 †
Salaputium scabriliratum (C. Hedley, 1902)
Eucrassatella scopalveus (FOSSIL) Finlay, 1926 †
Crassatella scutellaria (FOSSIL) G.P. Deshayes, 1824 †
Salaputium securiforme (C. Hedley, 1902)
Cypricardella selysiana (FOSSIL) (de Koninck, 1842 †)
Crassinella semicostata (FOSSIL) Scott 1970 †
Crassatina senecta (FOSSIL) Powell, 1931 †
Crassatella sinuosa (FOSSIL) G.P. Deshayes, 1824 †
Crassinella skoglundae E.V. Coan, 1979
Crenocrassatella sowerbyi (É. Lamy, 1917)
Kalolophus speciosus (A. Adams, 1854)
Eucrassatella stillwaterensis (FOSSIL) (C.S. Weaver& K.V.W. Palmer, 1922 †)
Cypricardella subalata (FOSSIL) Girty, 1910 †
Eucrassatella subgibbosus (FOSSIL) G.D. Hanna, 1926 †
Salaputium sublamellatum (W. Kobelt, 1885)
Spissatella subobesa (FOSSIL) (P. Marshall& R. Murdoch, 1919 †)