Corythosaurus vs Edmontosaurus

A detailed side-by-side comparison of Corythosaurus and Edmontosaurus, covering size, diet, classification, geologic period, and discovery history.

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Side-by-Side Comparison

Property	Corythosaurus	Edmontosaurus
Scientific Name	Corythosaurus casuarius	Edmontosaurus regalis
Classification	Hadrosauridae	Hadrosauridae
Period	Cretaceous Late	Cretaceous Late
Diet	Herbivore	Herbivore
Length	9.0 m	12.0 m
Height	2.7 m	3.4 m
Weight	3.8 t	4.0 t
Discovery Year	1914	1917
Discovery Location	Red Deer River, Alberta, Canada	Edmonton, Alberta, Canada
Named By	Barnum Brown	Lawrence Lambe

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Size Comparison

Corythosaurus 9.0 m

roughly the length of a large SUV

Edmontosaurus 12.0 m

about as long as 2 cars end-to-end

Weight Comparison

Corythosaurus 3.8 t

comparable to 3.8 small cars

Edmontosaurus 4.0 t

comparable to 4.0 small cars

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Timeline Comparison

Corythosaurus

100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya

Edmontosaurus

100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya

Corythosaurus and Edmontosaurus both lived during the Cretaceous Late period and may have shared the same habitats.

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Diet Comparison

Corythosaurus

Herbivore

Corythosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.

Edmontosaurus

Herbivore

Edmontosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.

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Classification Comparison

Corythosaurus

Clade: Ornithischia

Group: Hadrosauridae

(Duck-billed dinosaurs)

Edmontosaurus

Clade: Ornithischia

Group: Hadrosauridae

(Duck-billed dinosaurs)

Both dinosaurs share a common ancestor within the Hadrosauridae clade.

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Did You Know?

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Both Corythosaurus and Edmontosaurus were herbivores.

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Both dinosaurs lived during the Cretaceous Late period and may have coexisted.

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Corythosaurus was discovered 3 years earlier, in 1914.

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Both belong to the Hadrosauridae clade, making them relatively close relatives.

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Compare With Other Dinosaurs

Edmontosaurus vs Iguanodon

Herbivore vs Herbivore

Parasaurolophus vs Corythosaurus

Herbivore vs Herbivore

Parasaurolophus vs Edmontosaurus

Herbivore vs Herbivore

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Explore These Dinosaurs

Corythosaurus

Corythosaurus casuarius

9.0m long, 2.7m tall, 3.8t · Cretaceous Late

Edmontosaurus

Edmontosaurus regalis

12.0m long, 3.4m tall, 4.0t · Cretaceous Late

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