| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Obovaria jacksoniana (Frierson, 1912) |
Southern hickorynut | North America | |
| Obovaria olivaria (Rafinesque, 1820) |
Hickorynut | North America | |
| Obovaria retusa (Lamarck, 1819) |
Ring pink | North America | |
| Obovaria rotulata (Wright, 1899) |
Round ebonyshell | North America | |
| Obovaria subrotunda (Rafinesque, 1820) |
Round hickorynut | North America | |
| Obovaria unicolor (Lea, 1845) |
Alabama hickorynut | North America |