Traits taxon details
original description
Warren, P.S. (1926). The Invertebrate Fauna of the Upper Part of the Edmonton Formation on the Red Deer River, Alberta <em>Transactions of the Royal Society of Canada, third series. Section IV - Geological Sciences</em>. 20: 1-8 page(s): 6-7, pl. 1, figs 10, 11 [details]
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 
basis of record
Russell, L.S. (1964). Cretaceous Non-marine Faunas of Northwestern North America. <em>Royal Ontario Museum and University of Toronto, Life Sciences, Contributions.</em> 61: 1-24., available online at https://www.biodiversitylibrary.org/page/36250220 [details] Available for editors 
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