Traits name details
original description
Palmer, K. v. W. (1945). Fossil fresh-water Mollusca from the State of Monagas, Venezuela. <em>Bulletins of American Paleontology.</em> 31(118): 1-34., available online at https://www.biodiversitylibrary.org/page/10660362 page(s): 21, pl, 2. figs 1-7 [details] Available for editors 
source of synonymy
Nuttall, C. P. (1990). A review of the Tertiary non-marine molluscan faunas of the Pebasian and other inland basins of north-western South America. <em>Bulletin of The British Museum (Natural History), Geology Series.</em> 45(2): 165-371., available online at https://www.biodiversitylibrary.org/page/45474563 page(s): 319-322, figs 440-442 [details]
new combination reference
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): 271 [details]
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