Gray, J.E. 1843. Catalog of the species of Mollusca and their shells, which have hitherto been recorded as found at New Zealand, with the description of some lately discovered species. [in] Dieffenbach, E.F., Travels in New Zealand; with contributions to the geography, geology, botanty, and natural history of that country 2: 228-. Available electronically.

Gray, 1843. [in] Dieffenbach, Travels in New Zealand 2: 257.
Type(s): HOLOTYPE BMNH_42-11-9-75, Auckland, N.Z.

Gray, 1843. [in] Dieffenbach, Travels in New Zealand 2: 257.
Type(s): HOLOTYPE BMNH_42-5-17-170, New Zealand.