| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Megapitaria aurantiaca (Sowerby, 1831) |
Eastern Central Pacific | 11.8 | |
| Megapitaria maculata (Linnaeus, 1758) |
Calico clam | Western Atlantic | 7.7 |
| Megapitaria squalida (Sowerby, 1835) |
Eastern Pacific | 10.1 |