Edmontosaurus Variant:Unprimed and environmental factors are believed

and environmental factors are believed to have contributed to their disappearance

This reptile had an unusual appearance compared to the better-known dinosaurs

United States

Approximate measurements of the Camarasaurus:

Edmontosaurus Variant:Unprimed and environmental factors are believedEdmontosaurus is a genus of hadrosaurid dinosaurs, commonly known as "duck billed dinosaurs". These dinosaurs lived during the Late Cretaceous period, approximately 73 to 65 million years ago. The name "Edmontosaurus" comes from the place where the first fossil was found, the Edmonton River bed in Alberta, Canada. Edmontosaurus were large herbivorous dinosaurs that reached impressive sizes. The best known and studied species is the Edmontosaurus