Sykes, E. R. (1896). Preliminary diagnoses of new species of non-marine Mollusca from the Hawaiian Islands. Part I. <em>Proceedings of the Malacological Society of London.</em> 2: 126-132., available online athttps://www.biodiversitylibrary.org/page/15036539 page(s): 128 [details]
original descriptionSykes, E. R. (1896). Preliminary diagnoses of new species of non-marine Mollusca from the Hawaiian Islands. Part I. <em>Proceedings of the Malacological Society of London.</em> 2: 126-132., available online athttps://www.biodiversitylibrary.org/page/15036539 page(s): 128 [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): 126 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Etymology Named for the English naturalist, Robert Cyril Layton Perkins (1866-1955). [details] Type locality Mountains of Lanai, behind Koele [details]
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