| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Clytia longicyatha | (Allman, 1877) | synonym | No | junior synonym |
new combination |
| Obelia bicuspidata | Clark, 1875 | synonym | No | junior synonym |
original combination |
| ! Obelia bidentala | Clark, 1875 | synonym | No | senior synonym |
original combination |
| Obelia bidentata | Clark, 1875 | accepted name | Yes | senior synonym |
original combination |