Corythosaurus vs Triceratops

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

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Side-by-Side Comparison

Property Corythosaurus Triceratops
Scientific Name Corythosaurus casuarius Triceratops horridus
Classification Hadrosauridae Ceratopsia
Period Cretaceous Late Cretaceous Late
Diet Herbivore Herbivore
Length 9.0 m 9.0 m
Height 2.7 m 3.0 m
Weight 3.8 t 6.8 t
Discovery Year 1914 1889
Discovery Location Red Deer River, Alberta, Canada Denver, Colorado, USA
Named By Barnum Brown Othniel Charles Marsh
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Size Comparison

Corythosaurus 9.0 m

roughly the length of a large SUV

Triceratops 9.0 m

roughly the length of a large SUV

Weight Comparison

Corythosaurus 3.8 t

comparable to 3.8 small cars

Triceratops 6.8 t

about the weight of 1.1 elephants

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Timeline Comparison

Corythosaurus
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya
Triceratops
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya

Corythosaurus and Triceratops 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.

Triceratops

Herbivore

Triceratops 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)

Triceratops

Clade: Ornithischia

Group: Ceratopsia

(Horned faces)

Both dinosaurs share a common ancestor within the Ornithischia clade.

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Did You Know?

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Both Corythosaurus and Triceratops were herbivores.

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

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Triceratops was discovered 25 years earlier, in 1889.

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Corythosaurus belonged to Hadrosauridae while Triceratops belonged to Ceratopsia.

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