original description
Russell, L.S. (1976). Pelecypods of the Hell Creek Formation (Uppermost Cretaceous) of Garfield County, Montana. <em>Canadian Journal of Earth Sciences.</em> 13: 365-388.
page(s): 370, pl. 1, figs 6-9 [details] Available for editors
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basis of record
Scholz, H.; Hartman, J. H. (2007). Paleoenvironmental reconstruction of the Upper Cretaceous Hell Creek Formation of the Williston Basin, Montana, USA: Implications from the quantitative analysis of unionoid bivalve taxonomic diversity and morphologic disparity. <em>Palaios.</em> 22(1): 24-34., available online at https://doi.org/10.2110/palo.2005.p05-059r [details] Available for editors
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From editor or global species database
Type locality Hell Creek Formation, Snow Creek, Montana (USA) [details]