Traits taxon details
original description
Russell, L.S. (1932). New species of Mollusca from the St. Mary's formation of Alberta. <em>Canadian Field-Naturalist.</em> 46(4): 80-81., available online at https://www.biodiversitylibrary.org/page/28103214 page(s): 80, textfigs 1A-B [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): 117 [details] Available for editors 
additional source
Tozer, E.T. (1956). Uppermost Cretaceous and Paleocene nonmarine molluscan faunas of western Alberta. <em>Geological Survey of Canada, Memoir.</em> 280: 1-125., available online at https://doi.org/10.4095/101507 page(s): 45 [details] Available for editors 
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