| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Rhodactinia crassicornis | Müller | synonym | No | junior synonym |
original combination |
| Urticina antarctica | Verrill, 1922 | synonym | No | senior synonym |
original combination |
| Urticinopsis antarctica | (Verrill, 1922) | accepted name | Yes | senior synonym |
new combination |
| ! Urticinopsis antarcticus | (Verrill, 1922) | synonym | No | senior synonym |
new combination |