| Scientific Name | Author | English Name |
|---|---|---|
| Margaritifera margaritifera | (Linnaeus, 1758) | Eastern pearlshell |
| Margaritifera marrianae | Johnson, 1983 | Alabama pearlshell |
| Margaritifera hembeli | (Conrad, 1838) | Louisiana pearlshell |
| Margaritifera falcata | (Gould, 1850) | Western pearlshell |
| Cumberlandia monodonta | (Say, 1829) | Spectaclecase |