Genus
Valid Extinct

Oligosimus

Leidy 1872

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.

Temporal range
—
PBDB occurrences
0
Group
Sauroptérygiens
Carnivore aquatic, depth=surface Marine
Oligosimus
click to enlarge
Cimoliasaurus magnus vertebrae. © Leidy · Public domain · Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Sauropterygia Suborder
›
Plesiosauria Order
›
Oligosimus Genus
Images 1
Bibliography
Original description
J. Leidy. 1872. Remarks on some extinct vertebrates. Proceedings of the Academy of Natural Sciences of Philadelphia 24(1):38-40