NAME

Meaning - Edmontosaurus means “Edmonton Lizard” named for the Edmonton Rock Formation in Edmonton, Alberta, Canada
Pronounced - ed-MON-to-SAWR-us
Named By - Lawrence Lambe
When Named - 1917
DIET

Herbivore (plant-eater) - Edmontosaurus probably ate low-lying plants like cycads, conifers, and ginkgos.
SIZE

Length - 42 ft (13 m) long
Height - 10 ft (3 m) tall at the hips
Weight - 3-3.5 tons
WHEN IT LIVED

Cretaceous period, about 73 to 65 million years ago
WHERE IT LIVED

Fossils have been found in western North America, including Montana, USA, and Alberta, Canada.
FOSSILS

Several fossils (including skulls) have been found. Two mummified Edmontosaurus fossils were found in Wyoming.
CLASSIFICATION
  • Kingdom Animalia (animals)
  • Phylum Chordata (having a hollow nerve chord ending in a brain)
  • Class Archosauria (diapsids with socket-set teeth, etc.)
  • Order Ornithischia - bird-hipped dinosaurs
  • Suborder Ornithopoda
  • Infraorder Iguanodontia - plant-eaters having spiked thumbs
  • Superfamily Hadrosauroidea - duck-billed dinosaurs
  • Family Hadrosaurinae - non-crested (or small-crested) duck-billed dinosaurs
  • Genus Edmontosaurus
  • Species E. regalis (type species named by Lambe, 1917)
INTERESTING FACTS

Edmontosaurus was a slow-moving dinosaur with few defenses, but may have had keen senses (eyesight, hearing, and smell) to help it avoid predators in its swampy habitat.
LINKS

A detailed page on Edmontosaurus.
Edmontosaurus coloring/information page to print.