| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Ensis directus Conrad, 1843 |
American jack knife clam | Western Atlantic Ocean | 26 |
| Ensis ensis (Linnaeus, 1758) |
Razor shell | Eastern Atlantic and the Mediterranean Sea | |
| Ensis goreensis Clessin, 1888 |
Goree razor clam | Eastern Atlantic | |
| Ensis leei Huber, 2015 |
Atlantic razor clam | Northwest Atlantic | 20 |
| Ensis macha (Molina, 1782) |
Razor clam | Southern Pacific (27 to 55°S) and Atlantic (40 to 50°S) | 16.5 |
| Ensis magnus Schumacher, 1817 |
Arched razor shell | Northeast Atlantic and the Mediterranean Sea | |
| Ensis megistus Pilsbry & McGinty, 1943 |
Western Atlantic | 14.55 | |
| Ensis minor Dall, 1900 |
Minor jackknife | Western Central Atlantic and the Mediterranean Sea | |
| Ensis myrae Berry, 1953 |
California jackknife | East Pacific | |
| Ensis siliqua (Linnaeus, 1758) |
Sword razor shell | Northeast Atlantic and the Mediterranean | 15.5 |