Everhart, M.J., 2002. New data on cranial measurements and body length of the mosasaur Tylosaurus nepaeolicus (Squamata: Mosasauridae), from the Niobrara Formation of western Kansas. Transactions of the Kansas Academy of Science, 105:33-43
Everhart, M.J., 2001. Revisions to the biostratigraphy of the Mosasauridae (Squamata) in the Smoky Hill Chalk member of the Niobrara Chalk (Late Cretaceous) of Kansas. Transactions of the Kansas Academy of Science, 104:59-78