| Citación | Cutler, E.B., 1994 The Sipuncula. Their systematics, biology and evolution. Ithaca: Comstock publishing Associates, 433 p. | |
| Referencia | 1840 Cutler, E.B., 1994 | |
| Página | 173 | |
| Named Used as Valid | Phascolosoma agassizii agassizii | |
| Comentario | Phascolosoma agassizii agassizii and Phascolosoma agassizii kurilense are both used as valid. | |
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