| Sipunculus plicatus de Quatrefages, 1865 | Synonym (WoRMs) |
| Status | junior synonym, original combination |
| ICZN valid name | No |
| Status ref. | Cutler, E.B., 1994 |
| Comment | Subgenus: Phymosomum. In de Quatrefages 1865:222(first). |
| Etymology of Generic name | |
| Etymology of specific name |