Polygyridae
Euchemotrema cheatumi (R. W. Fullington, 1974)
Euchemotrema fasciatum (Pilsbry, 1940)
Euchemotrema fraternum (Say, 1824)
Euchemotrema hubrichti (Pilsbry, 1940)
Euchemotrema leai (A. Binney, 1841)
Euchemotrema wichitorum (Branson, 1972)