Edward H., Taylor. “Extinct Lizards from Upper Pliocene Deposits of Kansas Extinct Toads and Salamanders from Middle Pliocene Beds of Wallace and Sherman Counties, Kansas”. Bulletin (Kansas Geological Survey), no. 38 (January 1, 1941): 164–197. Accessed January 2, 2026. https://journals.ku.edu/kgsbulletin/article/view/21771.