| Citation | Saiz-Salinas, J.I. and S. Pagola-Carte, 1999 Sipuncula of the Magellan area compared with adjacent regions of Antarctica. Scientia Marina 63(Suppl 1):227-232. |
| Ref. | 93586 Saiz-Salinas, J.I. and S. Pagola-Carte, 1999 |
| Page | 229 |
| Named Used as Valid | Onchnesoma steenstrupii |
| Locality | |
| Distribution | Magellan area. |