Traits name details
original description
White, C.A. (1878). Paleontological Papers No. 6: Descriptions of new species of invertebrate fossils from the Laramie Group. <em>Bulletin of the United States Geological and Geographical Survey of the Territories.</em> 4: 707-719., available online at https://www.biodiversitylibrary.org/page/31549803 page(s): 713 [details]
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