• The wings of a Petrosaur are made up of tissue and skin.
  • It can range from the size of a sparrow to the size of an airplane.
  • Petrosaur means winged lizard
  • The pterosaurs ruled the skies in the Jurassic and Cretaceous, and included the largest vertebrate ever known to fly: the late Cretaceous Quetzalcoatlus.