| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Cinachyra antarctica | (Carter, 1872) | accepted name | Yes | senior synonym |
new combination |
| Cinachyra antarctica monticularis | Kirkpatrick, 1908 | synonym | No | junior synonym |
original combination |
| Cinachyra vertex | Lendenfeld, 1907 | synonym | No | junior synonym |
original combination |
| Cinachyra vertex monticularis | Kirkpatrick, 1908 | synonym | No | junior synonym |
original combination |
| Tethya antarctica | Carter, 1872 | synonym | No | senior synonym |
original combination |