| Reference no. | Southern Ocean Mollusc Database (SOMBASE), 2011 |
| Ecosystem | Continental High Antarctic |
| Status | native |
| Abundance | |
| Lifestage | adults |
| Regional database | |
| Remarks | Known from Palmer Archipelago, Ross Sea, and off both Oates Land and Ice Barrier (Ref. 90046). C: Refs. 87340, 90046; O: Ref. 90046. |