original descriptionWesselingh, F.P. (2006). Molluscs from the Miocene Pebas Formation of Peruvian and Colombian Amazonia. <em>Scripta Geologica.</em> 133: 19-290., available online athttp://www.repository.naturalis.nl/document/41346 page(s): 51-53, figs 15h, s, 17b, 33-37 [details]
Present Inaccurate Introduced: alien Containing type locality