Edmontosaurus

Edmontosaurus regalis

Edmontosaurus was one of the largest hadrosaurs, living alongside T. rex. Mummified specimens with preserved skin impressions show it had a soft tissue crest or comb on its head. It had hundreds of teeth arranged in dental batteries for grinding plants.

Physical Description

Measurement Value Human Scale
길이 12.0 m about as long as 2 cars end-to-end
Height 3.4 m
무게 4.0 t comparable to 4.0 small cars

Diet & Feeding

Herbivore

Edmontosaurus was a plant-eating dinosaur. Herbivores typically fed on ferns, cycads, conifers, and other vegetation available during their era. Many herbivorous dinosaurs developed specialized teeth and digestive systems for processing tough plant material.

Time Period

Cretaceous Late Mesozoic Era

Edmontosaurus lived during the Cretaceous Late period of the Mesozoic Era, approximately 100.5 to 66.0 million years ago.

The final age of dinosaurs, featuring iconic species like Tyrannosaurus rex, Triceratops, and Velociraptor. Dinosaurs reached their peak diversity before the catastrophic asteroid impact at the Chicxulub crater ended the Mesozoic Era.

Discovery & Naming

명명자 Lawrence Lambe
발견 연도 1917
발견 위치 Edmonton, Alberta, Canada

분류

Dinosauria Ornithischia Hadrosauridae Edmontosaurus

Duck-billed dinosaurs

Large herbivorous dinosaurs with broad, flattened snouts resembling duck bills. Many species had elaborate cranial crests used for display or vocalization. Extremely successful in the Late Cretaceous.

Size Comparison

At 12.0 meters long and 4000.0 kg, Edmontosaurus was about as long as 2 cars end-to-end and comparable to 4.0 small cars.

Quick Facts

분류 Hadrosauridae
지질 시대 Cretaceous Late
식성 Herbivore
크기 12.0m long, 3.4m tall, 4.0t

관련 공룡

자주 묻는 질문

When did Edmontosaurus live?
Edmontosaurus lived during the Cretaceous Late period (Mesozoic Era, 100.5–66.0 million years ago).
What did Edmontosaurus eat?
Edmontosaurus was a herbivore.
How big was Edmontosaurus?
Edmontosaurus was approximately 12.0 meters long, 3.4 meters tall, weighed around 4.0 tonnes.
When was Edmontosaurus discovered?
Edmontosaurus was first described in 1917 by Lawrence Lambe, with fossils found in Edmonton, Alberta, Canada.
What type of dinosaur was Edmontosaurus?
Edmontosaurus belonged to the Hadrosauridae group, which is part of the larger Ornithischia clade.
Where were Edmontosaurus fossils found?
Fossils of Edmontosaurus were found in Edmonton, Alberta, Canada.
What is the scientific name of Edmontosaurus?
The scientific name of Edmontosaurus is Edmontosaurus regalis.

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