original description
Pilsbry, H. A. & Cooke, C. M. (1908). Hawaiian Species of <em>Helicina</em>. <em>Occasional Papers of Bernice Pauahi Bishop Museum.</em> 3: 199-218., available online at https://www.biodiversitylibrary.org/page/6503147
page(s): 205, fig. 8 [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): 48, pl. 5, fig. 4 [details] Available for editors [request]
From editor or global species database
Type locality Kauai, the upper part of Milolii [details]