| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Staurotheca compressa | Briggs, 1938 | accepted name | Yes | senior synonym |
original combination |
| Staurotheca tubifera | Blanco, 1971 | synonym | No | junior synonym |
original combination |
| Thuiaria shetlandica | Naumov & Stepan'yants, 1972 | synonym | No | junior synonym |
original combination |