North American Plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus

In "North American Plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus," Samuel Wendell Williston meticulously examines the anatomy and paleobiology of these ancient marine reptiles that thrived during the Late Cretaceous period. With a scholarly depth characteristic of Williston's work, the book combines detailed anatomical drawings and fossils' descriptions. His use of scientific nomenclat...