Thalassiodracon was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. Thalassiodracon lived during the Late Triassic.

All these Thalassiodracon pictures were collected from the internet. Enjoy and explore:

Thalassiodracon was described by the following scientific paper(s):
  • T. Wright. 1860. On the Zone of Avicula contorta, and the Lower Lias of the South of England. Quarterly Journal of the Geological Society 16:374-411
  • T. Hawkins. 1834. Memoirs of Ichthyosauri and Plesiosauri, Extinct Monsters of the Ancient Earth
  • A. R. I. Cruickshank. 1994. A juvenile plesiosaur (Plesiosauria: Reptilia) from the Lower Lias (Hettangian: Lower Jurassic) of Lyme Regis, England: a pliosauroid-plesiosauroid intermediate?. Zoological Journal of the Linnean Society 112:151-178