original description
Ancey, C. F. (1904). On some non-marine Hawaiian Mollusca. <em>Proceedings of the Malacological Society of London.</em> 6(2): 117-128, pl. 7., available online at https://biodiversitylibrary.org/page/15176234
page(s): 120, pl. 7, figs. 8-8b [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): 165 [details]
From editor or global species database
Type locality Hawaii Island, Olaa [details]