Apatosaurus vs Herrerasaurus

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

Side-by-Side Comparison

Thuộc tính Apatosaurus Herrerasaurus
Tên khoa học Apatosaurus ajax Herrerasaurus ischigualastensis
Phân loại Sauropoda Saurischia
Kỷ Jurassic Late Triassic Late
Chế độ ăn Herbivore Carnivore
Chiều dài 22.0 m 6.0 m
Height 4.5 m 1.5 m
Cân nặng 22.7 t 350 kg
Năm khám phá 1877 1963
Địa điểm khám phá Morrison Formation, Colorado, USA Ischigualasto Formation, Argentina
Được đặt tên bởi Othniel Charles Marsh Osvaldo Reig

Size Comparison

Apatosaurus 22.0 m

about as long as 4 cars end-to-end

Herrerasaurus 6.0 m

roughly the length of a large SUV

Weight Comparison

Apatosaurus 22.7 t

about the weight of 3.8 elephants

Herrerasaurus 350 kg

about 5 adult humans

Timeline Comparison

Apatosaurus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Herrerasaurus
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.

Herrerasaurus

Carnivore

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

Classification Comparison

Apatosaurus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Herrerasaurus

Group: Saurischia

(Lizard-hipped dinosaurs)

Did You Know?

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Apatosaurus was about 3.7x longer than Herrerasaurus.

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Apatosaurus weighed roughly 65x more than Herrerasaurus.

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Apatosaurus was a herbivore while Herrerasaurus was a carnivore.

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

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Apatosaurus was discovered 86 years earlier, in 1877.

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Apatosaurus belonged to Sauropoda while Herrerasaurus belonged to Saurischia.

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