| Reference no. | Oliver, W.R.B., 1914 |
| Ecosystem | Kermadec Island |
| Status | endemic |
| Abundance | |
| Lifestage | adults |
| Regional database | |
| Remarks | Type locality, Sunday Island (holotype of Siphonaria raoulensis, 1.8 cm ShL, 1.28 cm ShW, and 0.7 cm ShL) (Ref. 88739). C: Ref. 88739, 89924; O: Ref. 88739. |