Traits name details
original description
White, C.A. (1877). Paleontological Papers No. 1. - Descriptions of Unionidae and Physidsae collected by Prof. E. D. Cope, from the Judith River Group of Montana Territory during the summer of 1876 <em>Bulletin of the United States Geological and Geographical Survey of the Territories</em>. 3: 599-602, available online at https://www.biodiversitylibrary.org/page/31646305 page(s): 601-602 [details]
basis of record
Perrilliat, M.d.C.; Vega, F.J.; Espinosa, B.; Naranjo-Garcia, E. (2008). Late Cretaceous and Paleogene freshwater gastropods from northeastern Mexico <em>Journal of Paleontology</em>. 82(2): 255-266, available online at https://doi.org/10.1666/06-062.1 page(s): 264 [details]
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