Ancey, C. F. (1899). Some notes on the non-marine molluscan fauna of the Hawaiian Islands, with diagnoses of new species. <em>Proceedings of the Malacological Society of London.</em> 3(5): 268-274, pls 12-13., available online athttps://www.biodiversitylibrary.org/page/32075623 page(s): 272, pl. 12, fig. 3 [details]
original descriptionAncey, C. F. (1899). Some notes on the non-marine molluscan fauna of the Hawaiian Islands, with diagnoses of new species. <em>Proceedings of the Malacological Society of London.</em> 3(5): 268-274, pls 12-13., available online athttps://www.biodiversitylibrary.org/page/32075623 page(s): 272, pl. 12, fig. 3 [details]
additional sourceCowie, 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): 152 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Etymology Named for the Danish/American malacologist, Ditlev Due Thaanum (1867-1963). [details] Type locality Hawaii Island, Olaa [details]