Earliest record of the genus Tylosaurus (Squamata; Mosasauridae) from the Fort Hays Limestone (Lower Coniacian) of western Kansas

Michael J. Everhart
2005 Transactions of the Kansas Academy of Science  
doi:10.1660/0022-8443(2005)108[0149:erotgt]2.0.co;2 fatcat:2k7giphwgfak3gbli2ifk4frzu