original description
Whiteaves, J.F. (1885). Report on the Invertebrata of the Laramie and Cretaceous rocks of the vicinity of the Bow and Belly Rivers and adjacent localities in the North-West Territory. <em>Contributions to Canadian palaeontology.</em> 1(1): 1-89., available online at https://www.biodiversitylibrary.org/page/38502645
page(s): 17, pl. 3, figs 1-1a [details]
additional source
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 267 [details] Available for editors [request]
From editor or global species database
Type locality Near Blindman River mouth, Red Deer County ("Mouth of Blind Man River, Township 39, Range 27, west of 4th Principal Meridian"), Alberta, Canada; Paskapoo Formation, Paleocene [details]