original description
Baker, H. B. (1941). Zonitid snails from Pacific Islands. Part 3 and 4. <em>Bernice P. Bishop Museum Bulletin.</em> 166: 203–370., available online at http://hbs.bishopmuseum.org/pubs-online/pdf/bull166.pdf
page(s): 217, pl. 62, fig. 3, pl. 53, figs. 5-6 [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): 154 [details]
From editor or global species database
Type locality East Molokai, landslide above cut, east side of Kaunakakai Valley [details]