original description
Cooke, C. M. (1921). Notes on Hawaiian Zonitidae and Succineidae. <em>Occasional Papers Bernice P. Bishop Museum.</em> 7 (12): 263-277, pl. 24-25. Honolulu., available online at https://biodiversitylibrary.org/page/28222749
page(s): 275, pl. 25, fig. 3 [details]
additional source
Cowie, R. H., Evenhuis, N. L. & Christensen, C. C. (1995). <i>Catalog of the Native Land and Freshwater Molluscs of the Hawaiian Islands</i>. vi + 248 pp. [3 June]. Leiden (Backhuys Publishers).
page(s): 149 [details]
From editor or global species database
Type locality Kaipapau, near the summit of the Koolau Ramge [details]