Postscript: “Elasmosaurid remains from the Pierre Shale (Upper Cretaceous) of western Kansas. Possible missing elements of the type specimen of Elasmosaurus platyurus Cope 1868?” M.J. Everhart, www.PalArch.nl, PalArch's Journal of Vertebrate Palaeontology, 4, 3, (2005)

Abstract

Palaeobiology