Apatosaurus vs Oviraptor

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

Side-by-Side Comparison

Propriété Apatosaurus Oviraptor
Nom scientifique Apatosaurus ajax Oviraptor philoceratops
Classification Sauropoda Theropoda
Période Jurassic Late Cretaceous Late
Alimentation Herbivore Omnivore
Longueur 22.0 m 1.6 m
Height 4.5 m 0.8 m
Poids 22.7 t 33 kg
Année de découverte 1877 1924
Lieu de découverte Morrison Formation, Colorado, USA Gobi Desert, Mongolia
Nommé par Othniel Charles Marsh Henry Fairfield Osborn

Size Comparison

Apatosaurus 22.0 m

about as long as 4 cars end-to-end

Oviraptor 1.6 m

about the size of a human adult

Weight Comparison

Apatosaurus 22.7 t

about the weight of 3.8 elephants

Oviraptor 33 kg

lighter than a human adult

Timeline Comparison

Apatosaurus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Oviraptor
100,5 Mya Cretaceous Late (Mesozoic) 66,0 Mya

Diet Comparison

Apatosaurus

Herbivore

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

Oviraptor

Omnivore

Oviraptor had an omnivorous diet, consuming both plants and small animals.

Classification Comparison

Apatosaurus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Oviraptor

Clade: Saurischia

Group: Theropoda

(Beast feet)

Did You Know?

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Apatosaurus was about 13.8x longer than Oviraptor.

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Apatosaurus weighed roughly 688x more than Oviraptor.

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Apatosaurus was a herbivore while Oviraptor was a omnivore.

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Apatosaurus lived during the Jurassic Late while Oviraptor lived during the Cretaceous Late, separated by roughly 44 million years.

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Apatosaurus was discovered 47 years earlier, in 1877.

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Apatosaurus belonged to Sauropoda while Oviraptor belonged to Theropoda.

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