Traits taxon details
original description
(of Polygyra rutherfordi L. S. Russell, 1929 †) Russell, L.S. (1929). Upper Cretaceous and lower Tertiary Gastropoda from Alberta. <em>Transactions of the Royal Society of Canada, third series. Section IV - Geological Sciences.</em> 23: 81-90. page(s): 86, pl. 1, figs 12-15 [details] Available for editors 
basis of record
Pierce, H.G.; Constenius, K.N. (2001). Late Eocene-Oligocene nonmarine mollusks of the northern Kishenehn Basin, Montana and British Columbia. <em>Annals of Carnegie Museum.</em> 70(1): 1-112. page(s): 15 [details] Available for editors 
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