MolluscaBase name details
original description
White, C.A. (1876). Invertebrate paleontology of the Plateau province, together with notice of a few species from localities beyond its limits in Colorado. In: Powell, J.W. (Ed.) Report on the geology of the eastern portion of the Uinta Mountains and a region of country adjacent thereto. With atlas. U. S. Geological and Geographic Survey of the Terretories, Washington, 74-135 pp., available online at https://www.biodiversitylibrary.org/page/19391191 page(s): 125 [details]
From editor or global species database
Type locality "Bitter Creek Group; Black Buttes, Wyoming", USA; Lance Fm., Maastrichtian, Late Cretaceous [details]
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