Subgenus (Hybolophus) R. B. Stewart, 1930

(3-4-4-0-10-3-1-19-2-0-0-0-0)
Ref. Abbott, 1974 p 481
Bernard, 1983 p 36
Keen, 1971 p 104
Lindner, 1977 p 109
Vaught, 1989 p 128
[see also as Genus]

digueti (E. Lamy, 1917)
(3-4-4-0-10-3-1-19-2-1-0-0-0)
Diguet's Crassatella
Ref. Abbott & Dance, 1982 p 326 c
Syn. Crassatella digueti E. Lamy, 1917;
Crassatella undulata G. B. Sowerby, 1832 [not J. B. P. A. de Lamarck, 1805, nor G. B. Sowerby, 1824];
Crassatellites laronus E. K. Jordan, 1932
Ref. Bernard, 1983 p 36
Syn. Crassatella undulata G. B. Sowerby, 1832 [not J. B. P. A. de Lamarck, 1805];
Crassatellites laronus E. K. Jordan, 1932
Ref. Keen, 1971 p 104 bw

fluctuata (P. P. Carpenter, 1864)
(3-4-4-0-10-3-1-19-2-2-0-0-0)
Wavy Crassatella
Ref. Amer. Fish. Soc., 1988 p 39
Syn. Astarte fluctuata P. P. Carpenter, 1864;
Crassatella marginata J. Keep, 1888
Ref. Bernard, 1983 p 36

gibbosa (G. B. Sowerby, 1832) [T]
(3-4-4-0-10-3-1-19-2-3-0-0-0)
Ref. Abbott, 1974 p 481,482
Syn. Crassatella corbuloides L. A. Reeve, 1843;
Crassatella gibbosa G. B. Sowerby, 1832;
Crassatellites rudis C. C. Li, 1930;
Eucrassatella gibbosa tucilla A. A. Olsson, 1932;
Eucrassinella aequatorialis M. Cruz, 1980;
Eucrassinella manabiensis M. Cruz, 1980
Ref. Bernard, 1983 p 36
Syn. Crassatellites rudis C. C. Li, 1930
Ref. Keen, 1971 p 104 bw d

speciosa (A. Adams, 1852)
(3-4-4-0-10-3-1-19-2-4-0-0-0)
Beautiful Crassatella, Gibbes's Crassaatella, Gibb's Clam
Ref. Amer. Fish. Soc., 1988 p 39
Syn. Crassatella floridana W. H. Dall, 1886;
Eucrassatella gibbesi Tuomey & F. S. Holmes, 1856
Ref. Abbott, 1974 p 481
Syn. Eucrassatella gibbesi Tuomey & F. S. Holmes, 1856
Ref. Abbott & Dance, 1982 p 326