Fossilised Skull of an Edmontosaurus

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Prehistoric Objects

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Edmontosaurus was a large herbivorous dinosaur that lived during the late Cretaceous period. Its name means "Edmonton lizard" after the location of its discovery (Edmonton, Alberta, Canada). The species was part of the Hadrosauridae, or duckbill family of dinosaurs, known for their distinctive teeth - or as paleontologists call it, their "dental battery". On each side of the jaw are three rows of sixty or more perfectly interlocking teeth.

Edmontosaurus ate plants and had to be on constant alert for predators such as Tyrannosaurus, Dakotaraptor, and Acheroraptor. The species could not outrun any of the meat-eaters and had to rely on outmanoeuvering them instead, or travelling in large herds where there was safety in numbers.