Genus Oxyperas O. A. L. Morch, 1853

(3-4-4-0-21-3-2-69-0-0-0-0-0)
Syn. Ocyperas [W. Kobelt], 1905;
Oxypera F. Haas, 1938
Ref. Vokes, 1980 p 136
[see also as Subgenus under Genus Spisula J. E. Gray]