Apatosaurus vs Utahraptor

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

Side-by-Side Comparison

Thuộc tính Apatosaurus Utahraptor
Tên khoa học Apatosaurus ajax Utahraptor ostrommaysi
Phân loại Sauropoda Dromaeosauridae
Kỷ Jurassic Late Cretaceous Early
Chế độ ăn Herbivore Carnivore
Chiều dài 22.0 m 5.5 m
Height 4.5 m 1.8 m
Cân nặng 22.7 t 500 kg
Năm khám phá 1877 1993
Địa điểm khám phá Morrison Formation, Colorado, USA Arches National Park, Utah, USA
Được đặt tên bởi Othniel Charles Marsh James Kirkland et al.

Size Comparison

Apatosaurus 22.0 m

about as long as 4 cars end-to-end

Utahraptor 5.5 m

roughly the length of a large SUV

Weight Comparison

Apatosaurus 22.7 t

about the weight of 3.8 elephants

Utahraptor 500 kg

about 7 adult humans

Timeline Comparison

Apatosaurus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Utahraptor
145,0 Mya Cretaceous Early (Mesozoic) 100,5 Mya

Diet Comparison

Apatosaurus

Herbivore

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

Utahraptor

Carnivore

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

Classification Comparison

Apatosaurus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Utahraptor

Clade: Theropoda

Group: Dromaeosauridae

(Raptors)

Did You Know?

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Apatosaurus was about 4.0x longer than Utahraptor.

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Apatosaurus weighed roughly 45x more than Utahraptor.

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Apatosaurus was a herbivore while Utahraptor was a carnivore.

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Apatosaurus lived during the Jurassic Late while Utahraptor lived during the Cretaceous Early, separated by roughly 0 million years.

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Apatosaurus was discovered 116 years earlier, in 1877.

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Apatosaurus belonged to Sauropoda while Utahraptor belonged to Dromaeosauridae.

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