| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Hydroides bifidus | Imajima, 1982 | synonym | No | junior synonym |
original combination |
| Hydroides furcifer | (Grube, 1878) | accepted name | Yes | senior synonym |
new combination |
| Serpula furcifera | Grube, 1878 | synonym | No | senior synonym |
original combination |