| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Pyganodon cataracta (Say, 1817) |
Eastern floater | East Pacific | |
| Pyganodon fragilis (Lamarck, 1819) |
Newfoundland floater | North America | |
| Pyganodon gibbosa (Say, 1824) |
Inflated floater | North America | |
| Pyganodon grandis (Say, 1829) |
Giant floater | North America | |
| Pyganodon lacustris (Lea, 1852) |
Lake floater | East Pacific |