Cryptoclidus

genus of plesiosaurs

Cryptoclidus was a plesiosaur, an aquatic reptile up to 13 feet (4 m) long. It had curved, interlocking teeth, a wide skull, and large, flexible, paddle-like flippers. The fragile head and teeth could not deal with large prey. That suggests a diet of small, soft-bodied animals such as squid and small shoaling fish.

Cryptoclidus
Temporal range: Middle Jurassic
166–164 mya
skeleton cast of Cryptoclidus
University of Tübingen
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Cryptoclidus

Cryptoclidus fossils have been found in England, France, Russia and possibly South America.

Cryptoclidus was named by Seeley in 1892. The type species is C. eurymerus.