Genus Cyphoxis C. S. Rafinesque, 1818

(3-7-3-0-1-1-2-30-0-0-0-0-0)
[=Arca C. v. Linne, 1758]
Ref. Vaught, 1989 p 114
Syn. Cyphoxus F. Paetel, 1875;
Cyphoxys J. L. R. Agassiz, 1846
[=Arca C. v. Linne, 1758]
Ref. Vokes, 1980 p 12