original descriptionHaas, F. (1949). Land and fresh-water mollusks from Peru. <em>Fieldiana, Zoology.</em> 31 (28): 235-250., available online athttps://www.biodiversitylibrary.org/page/2848576 page(s): 247-248, fig. 59 [details]
Present Inaccurate Introduced: alien Containing type locality