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
Chiều dài	12.0 m	about as long as 2 cars end-to-end
Height	3.4 m	—
Cân nặng	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

Được đặt tên bởi	Lawrence Lambe
Năm khám phá	1917
Địa điểm khám phá	Edmonton, Alberta, Canada

Phân loại

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.