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): 9-10, pl. 1, figs 1, 2 [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): 86 [details] Available for editors [request]
From editor or global species database
Type locality "From legal subdivision 8, section 13, township 26, range 5, west of the 5th meridian, on north side of Bow river, just below mouth of Grand Valley creek. Edmonton formation, near base", Alberta, Canada; Late Cretaceous [details]