| Citation | Cutler, E.B., 1994 The Sipuncula. Their systematics, biology and evolution. Ithaca: Comstock publishing Associates, 433 p. |
| Ref. | 1840 Cutler, E.B., 1994 |
| Page | 125 |
| Named Used as Valid | Phascolion pacificum |
| Locality | |
| Distribution | Northwest and southwest Pacific, Northeast (up to 57°North), southeastern and south Atlantic, Sub-Antarctic Indian Ocean, Peru-chile Trench, eastern Atlantic. |