Corythosaurus casuarius

  • Pronounced:  kore - Ith - oh -Saw - rus

  • Diet:  Herbivore (plant eater)

  • Name Means:  "Corinthian Lizard"

  • Length:  33 feet (10 m)

  • Height:  14 feet (4 m)

  • Weight:  3.5 tons (3,200 kilos)

  • Time:  Late Cretaceous - 75 MYA

Fossil remains for this Dinosaur have been found in Western North America

Corythosaurus is a member of the planting-eating, duck-billed dinosaur family that is sometimes referred to as hadrosaurs. It had a toothless, wide beak and hundreds of teeth in the back part of its mouth that it used for grinding tough plants to mush. Like other duckbills, it was a herd animal that traveled in large groups. Fossils of this dinosaur are sometimes found together with other plant-eating dinosaurs, which leads scientists to believe that different types of plant-eaters grouped together to feed, drink and maybe even migrate (moving from one area to another).

Corythosaurus gets its name from the bony crest on top of its head because it brings to mind the helmets worn by ancient Corinthian warriors. The crest grew until adulthood and was likely used as a mating ritual ornament. There appears to be gender differentiation regarding the size of the crest, with males having a larger crest. At least 10 skulls have been identified from this species, giving scientists a good look at individual and gender differentiation. Fossilized skin remains have also been found, further contributing to the knowledge of Corythosaurus.

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