Traits name details
original description
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): 88-89, pl. 1, figs 19-20; note: In a footnote added in the proof stage of the paper, Russell revised his original classification and placed the species in Grangerella. [details] Available for editors 
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