Apatosaurus vs Eoraptor

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

Side-by-Side Comparison

Thuộc tính Apatosaurus Eoraptor
Tên khoa học Apatosaurus ajax Eoraptor lunensis
Phân loại Sauropoda Saurischia
Kỷ Jurassic Late Triassic Late
Chế độ ăn Herbivore Omnivore
Chiều dài 22.0 m 1.0 m
Height 4.5 m 0.3 m
Cân nặng 22.7 t 10 kg
Năm khám phá 1877 1993
Địa điểm khám phá Morrison Formation, Colorado, USA Ischigualasto Formation, Argentina
Được đặt tên bởi Othniel Charles Marsh Paul Sereno et al.

Size Comparison

Apatosaurus 22.0 m

about as long as 4 cars end-to-end

Eoraptor 1.0 m

smaller than a human child

Weight Comparison

Apatosaurus 22.7 t

about the weight of 3.8 elephants

Eoraptor 10 kg

lighter than a human adult

Timeline Comparison

Apatosaurus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Eoraptor
237,0 Mya Triassic Late (Mesozoic) 201,4 Mya

Diet Comparison

Apatosaurus

Herbivore

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

Eoraptor

Omnivore

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

Classification Comparison

Apatosaurus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Eoraptor

Group: Saurischia

(Lizard-hipped dinosaurs)

Did You Know?

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Apatosaurus was about 22.0x longer than Eoraptor.

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Apatosaurus weighed roughly 2270x more than Eoraptor.

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Apatosaurus was a herbivore while Eoraptor was a omnivore.

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Apatosaurus lived during the Jurassic Late while Eoraptor lived during the Triassic Late, separated by roughly 92 million years.

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Apatosaurus was discovered 116 years earlier, in 1877.

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Apatosaurus belonged to Sauropoda while Eoraptor belonged to Saurischia.

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