original description
Russell, L.S. (1967). Unionidae from the Cretaceous and Tertiary of Alberta and Montana. <em>Journal of Paleontology.</em> 41(5): 1116-1120.
page(s): 1119-1120, textfig. 5 [details] Available for editors [request]
From editor or global species database
Type locality "Hunter fossil quarry, L. S. 4, Sec. 8, T. 8, R. 22, W. 3rd Merid., Calf Creek, northwest of Eastend, Saskatchewan", Canada; Cypress Hills Fm., early Chadronian, Oligocene [details]