| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Astacus americanus | Stebbing, 1893 | synonym | No | junior synonym |
original combination |
| Astacus marinus | (non Fabricius, 1775) | misapplied name | No | misidentification |
misapplied |
| Homarus americanus | Milne-Edwards, 1837 | accepted name | Yes | senior synonym |
original combination |
| Homarus mainensis | Berrill, 1956 | synonym | No | junior synonym |
original combination |