original description
Neal, M. C. (1934). Hawaiian Helicinidae. <em>Bernice P. Bishop Museum Bulletin.</em> 125: 1-102., available online at http://hbs.bishopmuseum.org/pubs-online/pdf/bull125.pdf
page(s): 37, fig. 42 [details] Available for editors [request]
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): 18 [details]
additional source
Richling, I. (2011). Comment on the Hawaiian species of Helicinidae. In: Severns, M.: Shells of the Hawaiian Islands [Part 2]. The Land Snails. The endemic land and freshwater species and their described variants illustrated by 3117 images and 363 maps on 186 plates: 40-63 [incl. 11 pls.], Hackenheim (ConchBooks).
page(s): 56, pl. 9, fig. 3 [details] Available for editors [request]
From editor or global species database
Type locality Oahu, top of ridge between Halawa and Aiea valleys [details]