| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Mactrotoma californica (Conrad, 1837) |
California surfclam | Northeast Pacific | 4.8 |
| Mactrotoma fragilis (Gmelin, 1791) |
Fragile surfclam | North America | 9.4 |
| Mactrotoma nasuta (Gould, 1851) |
Ridged surfclam | East Pacific | |
| Mactrotoma ovalina (Lamarck, 1818) |
Western Indian Ocean | ||
| Mactrotoma surinamensis (van Regteren Altena, 1968) |
Western Central Atlantic | ||
| Mactrotoma velata (Philippi, 1849) |
Concealed surf clam | Eastern Pacific and Western Central Atlantic |