Meek, F.B. (1864). Checklist of the invertebrate fossils of North America. Cretaceous and Jurassic. <em>Smithsonian Miscellaneous Collections.</em> 177: ii + 1–40 p., available online athttps://www.biodiversitylibrary.org/page/8817685 page(s): 22, 37 [details]
original descriptionMeek, F.B. (1864). Checklist of the invertebrate fossils of North America. Cretaceous and Jurassic. <em>Smithsonian Miscellaneous Collections.</em> 177: ii + 1–40 p., available online athttps://www.biodiversitylibrary.org/page/8817685 page(s): 22, 37 [details]