Gabb, W. M. (1869). Descriptions of fossils from the clay deposits of the Upper Amazon. <em>American Journal of Conchology.</em> 4(4): 197-200., available online athttps://www.biodiversitylibrary.org/page/16070306 page(s): 198, pl. 16, fig. 4 [details]
Note "a high bluff at Pebas, on the Ambiyacu River,...
Type locality "a high bluff at Pebas, on the Ambiyacu River, two miles above its confluence with the Marañon, near the Southern border of Ecuador", Peru [details]
original descriptionGabb, W. M. (1869). Descriptions of fossils from the clay deposits of the Upper Amazon. <em>American Journal of Conchology.</em> 4(4): 197-200., available online athttps://www.biodiversitylibrary.org/page/16070306 page(s): 198, pl. 16, fig. 4 [details]
new combination referenceWesselingh, 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): 243 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality "a high bluff at Pebas, on the Ambiyacu River, two miles above its confluence with the Marañon, near the Southern border of Ecuador", Peru [details]
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