original description
Russell, L. S. (1937). New non-marine Mollusca from the Upper Cretaceous of Alberta. <em>Transactions of the Royal Society of Canada, third series. Section IV - Geological Sciences.</em> 31: 61-67, 143.
page(s): 63, pl. 1, figs 7-8 [details] Available for editors [request]
From editor or global species database
Type locality Milk River valley, northwest of Higdon ranch, Forty Mile County No. 8, Alberta, Canada; Begudien, middle Campanian, late Cretaceous [details]