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Edmontosaurus regalis

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description Edmontosaurus regalis Overview

Edmontosaurus regalis was a large, plant-eating hadrosaurid dinosaur from the Late Cretaceous of western North America, especially Alberta, Canada. It had the broad, toothless beak and dense dental batteries characteristic of hadrosaurs, adaptations for cropping and processing vegetation. Exceptionally preserved Edmontosaurus fossils have retained extensive skin impressions, while evidence for a fleshy head structure comes from a specimen assigned to the related species E. annectens.

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How big was Edmontosaurus regalis?

Edmontosaurus regalis was a large hadrosaurid dinosaur, with adults reaching lengths of approximately 9 to 12 meters. It was one of the larger duck-billed dinosaurs of the Late Cretaceous of western North America.

Did Edmontosaurus regalis have a crest on its head?

Unlike some hadrosaurs such as Parasaurolophus with elaborate hollow crests, Edmontosaurus regalis had a broad, flattened beak and lacked a prominent bony cranial crest. Some closely related edmontosaur specimens have shown evidence of soft-tissue structures on the head that were not preserved in bone.

What did Edmontosaurus regalis eat?

Edmontosaurus regalis was a herbivore that used its broad, toothless beak to crop vegetation and dense dental batteries of tightly packed teeth to grind plant material. These adaptations allowed it to efficiently process large quantities of tough vegetation.

Where have Edmontosaurus regalis fossils been found?

Fossils of Edmontosaurus regalis have been found primarily in Late Cretaceous deposits of western North America, especially in Alberta, Canada. The genus Edmontosaurus is named after the city of Edmonton, the capital of Alberta.

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