Fresnosaurus

Fresnosaurus is an extinctgenus of plesiosaur from the Late Cretaceous (Maastrichtianstage) of what is now California. The type species is Fresnosaurus drescheri, first described by Welles in 1943. The generic name Fresnosaurus honors Fresno County, while the specific name honors Arthur Drescher.

Fresnosaurus was probably at least 9 meters (30 feet) in length. Like all elasmosaurid plesiosaurs, it probably ate small bony fish, belemnites, and ammonites.