MolluscaBase taxon details
original description
White, C.A. (1879). Contributions to invertebrate paleontology, No. 1: Cretaceous fossils of the western states and territories <em>United States Geological and Geographical Survey of the Territories, annual report (for 1877)</em>. 11: 273-319, available online at https://www.biodiversitylibrary.org/page/30820252 [details]