| Citation | Schulze, A. and M.E. Rice, 2004 Sipunculan diversity at Twin Cays, Belize with a key to the species. Atoll Research Bulletin 521:11pp. |
| Ref. | 86591 Schulze, A. and M.E. Rice, 2004 |
| Page | 4 |
| Named Used as Valid | Phascolion gerardi |
| Locality | |
| Distribution | Belize. |