Crassinella martinicensis (A.V.M.D. D'Orbigny,1853) Florida, Egmont Key2,4 mm
Crassinella midiensis (FOSSIL) A.A. Olsson, 1922 † Costa Rica, Limón, Talamanca
Crassinella minor (FOSSIL) † USA, Alabama, Monroe
Crassinella nuculiformis S.S. Berry, 1940 Ecuador, Manabi
Crassinella pacifica (C.B. Adams, 1852) Costa Rica6 mm
Crassinella pacifica mexicana H.A. Pilsbry & H.N. Lowe,1932 Ecuador5 mm
Crassinella pygmaea (FOSSIL) † USA, Louisiana, Caldwell
Crassinella semicostata (FOSSIL) Scott 1970 †
Crassinella skoglundae E.V. Coan, 1979 Jamaica
Crassinella tanicus (FOSSIL) (W.H. Dall, 1900 †) Florida3 mm
Crassinella variabilis (FOSSIL) D.T. Dockery, 1982 † USA, Mississippi3 mm
Crassinella variablis (FOSSIL) D.T. Dockery, 1982 † USA, Mississippi, Greene
Crassinella varians (Carpenter, 1857) Costa Rica7 mm
Crassinella xena (FOSSIL) W.P. Woodring, 1925 † Jamaica, Saint Thomas