| Reference no. | Iredale, T., 1910 |
| Ecosystem | Kermadec Island |
| Status | endemic |
| Abundance | |
| Lifestage | adults |
| Regional database | |
| Remarks | Type locality, Macauley Island (holotype of Siphonaria macauleyensis, 1.96 cm ShL, 1.46 cm ShW, and 0.95 cm ShH) (Ref. 88739). Known from French Rock and Sunday Island (Ref. 88739). C: Refs. 88739, 89036, 89064; O: Ref. 88739. |