M.J. Everhart 2005. Tylosaurus kansasensis, a new species of tylosaurine (Squamata, Mosasauridae) from the Niobrara Chalk of western Kansas, USA. Netherlands Journal of Geosciences. 84, (Sep. 2005), 231 - 240. DOI:https://doi.org/10.1017/S0016774600021016.