Cimoliasaurus

Cimoliasaurus
Temporal range: Late Cretaceous, Maastrichtian
Cimoliasaurus magnus vertebrae.
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Cimoliasaurus

Leidy, 1851
Type species
Cimoliasaurus magnus
Leidy, 1851

Cimoliasaurus was a plesiosaur that lived during the Late Cretaceous (Maastrichtian) of the eastern United States, with fossils known from New Jersey, North Carolina, and Maryland.