Cimoliasaurus was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. Cimoliasaurus lived during the Late Cretaceous and resided in North America.

All the Cimoliasaurus illustrations below were collected from the internet. Enjoy and explore:

Cimoliasaurus was described by the following scientific paper(s):
  • R. Owen. 1874. The fossil Reptilia of the Mesozoic formations. Part 1. Pterosauria. Palaeontographical Society Monographs 27(126):1-14
  • E. D. Cope. 1869. Synopsis of the Extinct Batrachia, Reptilia and Aves of North America. Part I. Transactions of the American Philosophical Society, New Series 14:1-104
  • R. T. Hill. 1901. Geography and geology of the Black and Grand Prairies, Texas. Twenty-First Annual Report of the United States Geological Survey. Part VII—Texas