Cryptocleidus was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. The first Cryptocleidus fossil was discovered in 1892.
All the Cryptocleidus illustrations below were collected from the internet. Enjoy and explore:
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Cryptocleidus was described by the following scientific paper(s):
- G. von Arthaber. 1906. Beiträge zur Kenntnis der Organisation und der Anpassungserscheinungen des genus Metriorhynchus. Beiträge zur Paläontologie und Geologie Österreich-Ungarns und des Orients 19(4):287-320
- J. Phillips. 1871. Geology of Oxford and the Valley of the Thames. Clarendon Press, Oxford
- D. M. Martill. 1986. The stratigraphic distribution and preservation of fossil vertebrates in the Oxford Clay of England. Mercian Geologist 10(3):161-186
