| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Ensis arcuatus | (Jeffreys, 1865) | synonym | No | senior synonym |
new combination |
| Ensis arcuatus var. ensoides | Van Urk, 1964 | synonym | No | junior synonym |
original combination |
| Ensis arcuatus var. norvegica | Van Urk, 1964 | synonym | No | junior synonym |
original combination |
| Ensis magnus | Schumacher, 1817 | accepted name | Yes | senior synonym |
original combination |