basis of recordWesselingh, 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): 238-239, figs 310-312 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Grammatical gender Gabb (1869) misinterpreted Pachyodon to be feminine. [details]