original descriptionHaas, F. (1955). On non-marine shells from northeastern Brazil and Peru. <em>Fieldiana, Zoology.</em> 37(10): 303-337., available online athttps://www.biodiversitylibrary.org/page/2826578 page(s): 334, fig. 74 [details]
Present Inaccurate Introduced: alien Containing type locality