| Reference no. | Galley, E.A., P.A. Tyler, A. Clarke and C.R. Smith, 2005 |
| Ecosystem | Antarctica |
| Status | native |
| Abundance | abundant (always seen in some numbers) |
| Lifestage | adults |
| Regional database | |
| Remarks | Most abundant irregular echinoid in the bathyal West Antarctic Peninsula (Ref. 89916). Also in Ref. 87520. |