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Corythosaurus casuarius (Brown, 1914)

Name Means: "Corinthian Lizard" Length: 33 feet (10 m)
Pronounced: kore-Ith-oh -Saw-rus Weight: 3.5 tons (3,200 kilos)
When it lived: Late Cretaceous - 75 MYA    
Where found: Alberta, Canada; Montana, USA    
   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 is most famous for its helmet or half dinner plate-like crest.  It is known from remains belonging to at least twenty individuals. The crest  is similar to the helmets worn by ancient Corinthian warriors; this resulted in its name.  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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