Allosaurus vs Kentrosaurus

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

Side-by-Side Comparison

Propriété Allosaurus Kentrosaurus
Nom scientifique Allosaurus fragilis Kentrosaurus aethiopicus
Classification Theropoda Stegosauria
Période Jurassic Late Jurassic Late
Alimentation Carnivore Herbivore
Longueur 9.7 m 4.5 m
Height 3.5 m 1.5 m
Poids 2.3 t 700 kg
Année de découverte 1877 1915
Lieu de découverte Garden Park, Colorado, USA Tendaguru Formation, Tanzania
Nommé par Othniel Charles Marsh Edwin Hennig

Size Comparison

Allosaurus 9.7 m

roughly the length of a large SUV

Kentrosaurus 4.5 m

roughly the length of a large SUV

Weight Comparison

Allosaurus 2.3 t

comparable to 2.3 small cars

Kentrosaurus 700 kg

about 10 adult humans

Timeline Comparison

Allosaurus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Kentrosaurus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya

Allosaurus and Kentrosaurus both lived during the Jurassic Late period and may have shared the same habitats.

Diet Comparison

Allosaurus

Carnivore

Allosaurus was a meat-eating predator, hunting other animals for food.

Kentrosaurus

Herbivore

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

Classification Comparison

Allosaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Kentrosaurus

Clade: Thyreophora

Group: Stegosauria

(Plated dinosaurs)

Did You Know?

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Allosaurus was about 2.2x longer than Kentrosaurus.

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Allosaurus weighed roughly 3x more than Kentrosaurus.

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Allosaurus was a carnivore while Kentrosaurus was a herbivore.

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

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Allosaurus was discovered 38 years earlier, in 1877.

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Allosaurus belonged to Theropoda while Kentrosaurus belonged to Stegosauria.

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