| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Cancer pygmaeus | Ortmann | synonym | No | junior synonym |
original combination |
| Carcinides maenas | (Linnaeus, 1758) | synonym | No | senior synonym |
new combination |
| Carcinus maenas | (Linnaeus, 1758) | accepted name | Yes | senior synonym |
new combination |