| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Brachiosyllis exilis | (Gravier, 1900) | synonym | No | senior synonym |
new combination |
| Branchiosyllis exilis | (Gravier, 1900) | accepted name | Yes | senior synonym |
new combination |
| Syllis plessisi | Rullier, 1972 | synonym | No | junior synonym |
original combination |
| Typosyllis exilis | Gravier, 1900 | synonym | No | senior synonym |
original combination |