Colymbosaurus was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. Colymbosaurus lived during the Late Jurassic.
All these Colymbosaurus pictures were collected from the internet. Enjoy and explore:
- G. S. Boulger. 1876. Note on a cetiosauroid tooth (exhibited on the 25th of April, 1876, at the West London Scientific Association). Proceedings of the West London Scientific Association and Field Club 1:99-100
- H.-E. Sauvage. 1888. Sur les Reptiles trouvés dans le Portlandien supérieur de Boulogne-sur-Mer [On the reptiles found in the upper Portlandian of Boulogne-sur-Mer]. Bulletin de la Société Géologique de France, 3e série 16:623-632
- J. B. Delair. 1993. Reptilia from the Portland Stone (Upper Jurassic) of England: a preliminary survey of the material and the literature. Modern Geology 18:331-348