North American Plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus

In "North American Plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus," Samuel Wendell Williston delivers a comprehensive exploration of three distinct genera of plesiosaurs that inhabited the ancient seas of North America. Williston employs a meticulous scientific approach, richly blending paleontological data with vivid descriptions, allowing readers to appreciate the anatomical complexit...