Type locality No type locality stated, other than "The species is rather rare in the Edmonton formation and one specimen from the St. Mary River formation was doubtfully referred to it" [southern Alberta, Canada] [details]
basis of recordTozer, E.T. (1956). Uppermost Cretaceous and Paleocene nonmarine molluscan faunas of western Alberta. <em>Geological Survey of Canada, Memoir.</em> 280: 1-125., available online athttps://doi.org/10.4095/101507 page(s): 57, pl. 4, figs 10-14 [details] Available for editors [request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality No type locality stated, other than "The species is rather rare in the Edmonton formation and one specimen from the St. Mary River formation was doubtfully referred to it" [southern Alberta, Canada] [details]
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