Height : 2 m (6ft)

Length: 13 m (42.5 ft)

Weight : 2.7 tonnes (3 tons)

Edmontosaurus was a duck billed vegetarian that lived around 70 to 65 million years ago during the late Cretaceous period.

Like all Ornithischians Edmontosaurus had a toothless beak for stripping pine needles and other tough vegetation off branches, and lots of teeth in is jaws for chewing it. There is evidence to suggest that Edmontosaurus, along with other Hadrosaurs, migrated between Alaska and Alberta each year to take advantage of the summer sun in the northern latitudes.

Contemporary predators would have included Albertosaurus and Tyrannosaurs rex. One specimen has been found with what appears to be T-Rex tooth marks in its back bone.

Edmontosaurus means "Edmonton Lizard" after the Edmonton Rock Formation in Edmonton, Alberta, Canada. It was named by Lawrence M. Lambe in 1917. Fossils have been found in Alaska, Montana, Wyoming and New Jersey in the USA and Alberta, Canada.

  • Dinosauria (Dinosaurs)
    • Ornithischia (Bird Hipped)
      • Ornithopoda
        • Iguanodontia (having spiked thumbs)
          • Hadrosauroidea (duck-billed dinosaurs)
            • Lambeosaurinae (hollow-crested duckbills)
              • Edmontosaurus
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