Descriptions of new Cretaceous invertebrate fossils from Kansas and TexasDOI: info:10.5479/si.00963801.2-93.292v. 2No. 93292–298, 5 pls.
White, C. A. 1880. "Descriptions of new Cretaceous invertebrate fossils from Kansas and Texas." Proceedings of the United States National Museum, 2, (93) 292–298, 5 pls.. https://doi.org/10.5479/si.00963801.2-93.292.