Traits taxon details
original description
Russell, L.S. (1931). Mollusca from the Upper Cretaceous and Lower Tertiary of Alberta. <em>Transactions of the Royal Society of Canada, third series. Section IV - Geological Sciences.</em> 25: 9-19. page(s): 11-12, pl. 1, figs 5-8 [details] Available for editors 
basis of record
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313. page(s): 115 [details] Available for editors 
basis of record
Russell, L.S. (1974). Fauna and Correlation of the Ravenscrag Formation (Paleocene) of Southwestern Saskatchewan. <em>Royal Ontario Museum and University of Toronto, Life Sciences, Contributions.</em> 102: 1-53., available online at https://archive.org/details/faunacorrelation00russ [details] Available for editors 
additional source
Hartman, J.H. (1998). The biostratigraphy and paleontology of latest Cretaceous and Paleocene freshwater bivalves from the western Williston Basin, Montana, U.S.A. In: Johnston, P.A. & Haggart, J.W. Bivalves: an eon of evolution. Calgary, University of Calgary Press, 317-345. page(s): 337 [details] Available for editors 
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