Unionidae Fleming, 1828
Obovaria haddletoni (Athearn, 1964)
Obovaria jacksoniana (Frierson, 1912)
Obovaria olivaria (Rafinesque, 1820)
Obovaria retusa (Lamarck, 1819)
Obovaria rotulata (Wright, 1899)
Obovaria subrotunda (Rafinesque, 1820)
Obovaria unicolor (I. Lea, 1845)
