| Citation | Cutler, E.B., 1977 The bathyal and abyssal Sipuncula. Galathea Report, 14:135-156. |
| Ref. | 1871 Cutler, E.B., 1977 |
| Page | 152 |
| Named Used as Valid | Phascolosoma nigrescens |
| Locality | off SE Africa, Mombasa, Great Nicobar, Singapore and Manila and Dinagat Island, Philippines. |
| Distribution |