| Citation | Hilário, A. and M.R. Cunha, 2008 On some frenulate species (Annelida: Polychaeta: Siboglinidae) from mud volcanoes in the Gulf of Cadiz (NE Atlantic). Scientia Marina 72(2):361-371. |
| Ref. | 80977 Hilário, A. and M.R. Cunha, 2008 |
| Page | 369;tab.3 |
| Named Used as Valid | Siboglinum southwardae |
| Locality | |
| Distribution | Caribbean and Gulf of Mexico. |