Russell, L.S. (1932). Mollusca from the McMurray Formation of Northern Alberta. <em>Transactions of the Royal Society of Canada, third series. Section IV - Geological Sciences.</em> 26: 37-44.
page(s): 37-38, pl. 1, fig. 1 [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): 78 [details] Available for editors [request]
From editor or global species database
Type locality "Hangingstone river", Alberta, Canada; McMurray Fm., Early Cretaceous [details]