MolluscaBase 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 [request]
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 [request]
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 [request]
From editor or global species database
Type locality "From St. Mary River beds on north side of Oldman ("Northfork") River, in section 11 or 12, township 10, range 2, west of 5th meridian", Alberta, Canada; Late Cretaceous [details]
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