| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Amblyosyllis dorsigera | (Claparède, 1864) | synonym | No | junior synonym |
original combination |
| Amblyosyllis formosa | (Claparéde, 1863) | synonym | No | junior synonym |
new combination |
| Amblyosyllis immatura | Langerhans, 1879 | synonym | No | junior synonym |
original combination |
| Amblyosyllis spectabilis | (Johnston in Baird, 1861) | accepted name | Yes | senior synonym |
new combination |
| Gattiola spectabilis | Johnston in Baird, 1861 | synonym | No | senior synonym |
original combination |
| Pterosyllis dorsigera | Claparède, 1864 | synonym | No | junior synonym |
original combination |
| Pterosyllis formosa | Claparede, 1863 | synonym | No | junior synonym |
original combination |
| Thylaciphorus hessii | Quatrefages, 1866 | synonym | No | junior synonym |
original combination |