| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Pomatoceros tetraceros | Schmarda, 1861 | synonym | No | senior synonym |
original combination |
| Spirobranchus jousseaumei | (Gravier, 1908) | synonym | No | junior synonym |
new combination |
| Spirobranchus semperi | Mörch, 1863 | synonym | No | junior synonym |
original combination |
| Spirobranchus tetraceros | (Schmarda, 1861) | accepted name | Yes | senior synonym |
new combination |