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): 446 [details]