Genus Alasmodonta T. Say, 1819
(3-5-4-0-4-9-1-9-0-0-0-0-0) Syn. Alasmodon G. B. Sowerby, 1824; Anelasmodonta A. N. Herrmannsen, 1846 [=Alasmidonta T. Say, 1818] Ref. Vokes, 1980 p 87 [see also under Subfamily: ANODONTINAE]