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
体长 12.0 m about as long as 2 cars end-to-end
Height 3.4 m
体重 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

命名者 Lawrence Lambe
发现年份 1917
发现地点 Edmonton, Alberta, Canada

分类

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

分类 Hadrosauridae
地质时代 Cretaceous Late
食性 Herbivore
体型 12.0m long, 3.4m tall, 4.0t

相关恐龙

常见问题

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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