original description
Russell, L.S. (1932). Fossil non-marine Mollusca from Saskatchewan. <em>Transactions of the Royal Canadian Institute.</em> 18(2): 337-341.
page(s): 340, pl. 1, fig. 3 [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): 64 [details] Available for editors [request]
From editor or global species database
Type locality Big Muddy valley, Saskatchewan, near centre of sec. 25, tp. 3, R. 25, W. 2nd M., Canada; Whitemud Fm., Maastrichtian, Late Cretaceous [details]