Hauffiosaurus was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. The first Hauffiosaurus fossil was discovered in 2001.

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

Hauffiosaurus was described by the following scientific paper(s):
  • M. J. Benton and M. A. Taylor. 1984. Marine reptiles from the Upper Lias (Lower Toarcian, Lower Jurassic) of the Yorkshire coast. Proceedings of the Yorkshire Geological Society 44(4):399-429
  • R. Tate and J. F. Blake. 1876. The Yorkshire Lias
  • F. Westphal. 1962. Die Krokodilier des Deutschen und Englischen Oberen Lias [The crocodiles of the German and English Upper Lias]. Palaeontographica Abteilung A 118(1-3):23-118