Type locality "About 520 feet above the base of the Blairmore formation on Lyon creek and in the Unio bed on the hill south of Hillcrest" (Alberta, Canada) [details]
additional sourceYen, T.-C. (1949). Review of the Lower Cretaceous Fresh-Water Molluscan Faunas of North America. <em>Journal of Paleontology.</em> 23(5): 465-470. page(s): 467 [details] Available for editors [request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality "About 520 feet above the base of the Blairmore formation on Lyon creek and in the Unio bed on the hill south of Hillcrest" (Alberta, Canada) [details]
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