Extinct Mosasaur, Pterosaur and sea turtle

An extinct seasnake-like Mosasaur in the Niobrara sea, North America, late Cretaceous. A pterosaur, Pteranodon, at left, and sea turtle at right. Mosasaurs were probably giant sea monitor lizards of their time. Illustration from Wilhelm Bolsche's Das Leben der Urwelt, Prehistoric Life, Georg Dollheimer, Leipzig, 1932

Bolsche Crocodile Leben Maage Mosasaur Predatory Prehistory Pterosaur Swamp Triassic Turtle Urwelt

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