MolluscaBase name details
original description
Meek, F. B.; Hayden, F. V. (1861). Descriptions of new lower Silurian, (Primordial), Jurassic, Cretaceous, and Tertiary Fossils, collected in Nebraska, by the Exploring Expedition under the command of Capt. Wm. F. Raynolds, U. S. Top. Engrs.; with some remarks on the rocks from which they were obtained. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 13: 415-447., available online at https://www.biodiversitylibrary.org/page/26313121 page(s): 444 [details]
new combination reference
Yen, T.-C. (1952). Molluscan Fauna of the Morrison Formation. <em>United States Geological Survey Professional Paper.</em> 233-B: 21-51. [details] Available for editors [request]
From editor or global species database
Type locality Near Wind River head, Teton County, Wyoming, United States; early Cretaceous [details]
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