Genus Dysnomia J. L. R. Agassiz, 1852

(3-5-4-0-4-9-2-T3-14-0-0-0-0-0)
Syn. Disnomia E. A. Bielz, 1869;
Epilobasma C. T. Simpson, 1900;
Epioblasma C. S. Rafinesque, 1831
Ref. Vaught, 1989 p 123