Range Map of Corythosaurus

Quick Facts

  • Diet: Herbivore (plant-eater), perhaps eating pine needles, conifers, ginkgos, seeds, cycads, twigs, and magnolia leaves.
  • Average life span: 65 years
  • Height: 6.6 ft tall at the hips
  • Length: 30-33 ft
  • Weight: 4 or 5 tons (about as heavy as an elephant)

Corythosaurus Anatomy

corythosaurus anatomy


    • Means “helmet lizard”


    • Had a hollow, bony crest on top of its long head in the shape of a helmet flattened on the sides


    • Had duck-like bill, a toothless beak and hundreds of cheek teeth that it used to grind up its food


    • Lived during the late Cretaceous period, about 80 to 65 million years ago


    • Walked and ran on two legs, and was a relatively fast dinosaur. It may have gone on all fours to forage for low-lying plants


    • Had shorter arms, and a long, heavy tail


    • Spent much time in the water


    • Had no natural defenses


    • Was named by Barnum Brown in 1914 from a fossil found in Alberta, Canada


  • Fossils have been found in North America, including Montana, USA, and Alberta, Canada

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corythosaurus anatomy
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