Alexeyisaurus was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. Alexeyisaurus lived during the Late Triassic and resided in Europe.

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

Alexeyisaurus was described by the following scientific paper(s):
  • A. G. Sennikov and M. S. Arkhangelsky. 2010. On a typical Jurassic sauropterygian from the Upper Triassic of Wilczek Land (Franz Josef Land, Arctic Russia). Paleontological Journal 44(5):567-572