Genus Crassivenus Perkins, 1869

(3-4-4-0-26-7-1-23-0-0-0-0-0)
[=Mercenaria C. F. Schumacher, 1817]
Ref. Abbott, 1974 p 522
Vaught, 1989 p 135
Vokes, 1980 p 177