Traits name details
original description
Pilsbry, H. A. & Olsson, A. A. (1935). Tertiary fresh-water mollusks of the Magdalena Embayment, Colombia. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 87: 7-39. page(s): 14, pl. 3, fig. 5 [details] Available for editors 
source of synonymy
Wesselingh, F.P. (2006). Molluscs from the Miocene Pebas Formation of Peruvian and Colombian Amazonia. <em>Scripta Geologica.</em> 133: 19-290., available online at http://www.repository.naturalis.nl/document/41346 page(s): 191 [details]
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