original description
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): 42, pl. 1, figs 11-12 [details] Available for editors [request]
From editor or global species database
Type locality Fort McMurray (at Hangingstone river), Alberta, Canada; McMurray Formation, late Barremian to Aptian, early Cretaceous [details]