| Phascolosoma nigrescens Keferstein, 1865 | Accepted name (WoRMs) |
| Status | senior synonym, original combination |
| ICZN valid name | Yes |
| Status ref. | Pagola-Carte, S. and J.I. Saiz-Salinas, 1996 |
| Comment | Subgenus: Phascolosoma. In Keferstein 1865:424(first). |
| Etymology of Generic name | |
| Etymology of specific name |