Ankylosaurus vs Triceratops

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

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Side-by-Side Comparison

Propriété Ankylosaurus Triceratops
Nom scientifique Ankylosaurus magniventris Triceratops horridus
Classification Ankylosauria Ceratopsia
Période Cretaceous Late Cretaceous Late
Alimentation Herbivore Herbivore
Longueur 10.0 m 9.0 m
Height 1.7 m 3.0 m
Poids 6.0 t 6.8 t
Année de découverte 1908 1889
Lieu de découverte Hell Creek Formation, Montana, USA Denver, Colorado, USA
Nommé par Barnum Brown Othniel Charles Marsh
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Size Comparison

Ankylosaurus 10.0 m

about as long as 2 cars end-to-end

Triceratops 9.0 m

roughly the length of a large SUV

Weight Comparison

Ankylosaurus 6.0 t

about the weight of 1.0 elephants

Triceratops 6.8 t

about the weight of 1.1 elephants

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Timeline Comparison

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

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

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Diet Comparison

Ankylosaurus

Herbivore

Ankylosaurus 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

Ankylosaurus

Clade: Thyreophora

Group: Ankylosauria

(Fused lizards)

Triceratops

Clade: Ornithischia

Group: Ceratopsia

(Horned faces)

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Did You Know?

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Both Ankylosaurus 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 19 years earlier, in 1889.

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Ankylosaurus belonged to Ankylosauria while Triceratops belonged to Ceratopsia.

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