Ankylosaurus vs Edmontosaurus

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

Side-by-Side Comparison

Propriété Ankylosaurus Edmontosaurus
Nom scientifique Ankylosaurus magniventris Edmontosaurus regalis
Classification Ankylosauria Hadrosauridae
Période Cretaceous Late Cretaceous Late
Alimentation Herbivore Herbivore
Longueur 10.0 m 12.0 m
Height 1.7 m 3.4 m
Poids 6.0 t 4.0 t
Année de découverte 1908 1917
Lieu de découverte Hell Creek Formation, Montana, USA Edmonton, Alberta, Canada
Nommé par Barnum Brown Lawrence Lambe

Size Comparison

Ankylosaurus 10.0 m

about as long as 2 cars end-to-end

Edmontosaurus 12.0 m

about as long as 2 cars end-to-end

Weight Comparison

Ankylosaurus 6.0 t

about the weight of 1.0 elephants

Edmontosaurus 4.0 t

comparable to 4.0 small cars

Timeline Comparison

Ankylosaurus
100,5 Mya Cretaceous Late (Mesozoic) 66,0 Mya
Edmontosaurus
100,5 Mya Cretaceous Late (Mesozoic) 66,0 Mya

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

Diet Comparison

Ankylosaurus

Herbivore

Ankylosaurus 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.

Classification Comparison

Ankylosaurus

Clade: Thyreophora

Group: Ankylosauria

(Fused lizards)

Edmontosaurus

Clade: Ornithischia

Group: Hadrosauridae

(Duck-billed dinosaurs)

Did You Know?

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Both Ankylosaurus and Edmontosaurus were herbivores.

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

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Ankylosaurus was discovered 9 years earlier, in 1908.

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Ankylosaurus belonged to Ankylosauria while Edmontosaurus belonged to Hadrosauridae.

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