Allosaurus vs Utahraptor

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

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Side-by-Side Comparison

गुण Allosaurus Utahraptor
वैज्ञानिक नाम Allosaurus fragilis Utahraptor ostrommaysi
वर्गीकरण Theropoda Dromaeosauridae
युग Jurassic Late Cretaceous Early
आहार Carnivore Carnivore
लंबाई 9.7 m 5.5 m
Height 3.5 m 1.8 m
वजन 2.3 t 500 kg
खोज वर्ष 1877 1993
खोज स्थान Garden Park, Colorado, USA Arches National Park, Utah, USA
नामकर्ता Othniel Charles Marsh James Kirkland et al.
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Size Comparison

Allosaurus 9.7 m

roughly the length of a large SUV

Utahraptor 5.5 m

roughly the length of a large SUV

Weight Comparison

Allosaurus 2.3 t

comparable to 2.3 small cars

Utahraptor 500 kg

about 7 adult humans

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Timeline Comparison

Allosaurus
161.5 Mya Jurassic Late (Mesozoic) 145.0 Mya
Utahraptor
145.0 Mya Cretaceous Early (Mesozoic) 100.5 Mya
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Diet Comparison

Allosaurus

Carnivore

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

Utahraptor

Carnivore

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

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Classification Comparison

Allosaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Utahraptor

Clade: Theropoda

Group: Dromaeosauridae

(Raptors)

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Did You Know?

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Allosaurus was about 1.8x longer than Utahraptor.

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Allosaurus weighed roughly 5x more than Utahraptor.

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Both Allosaurus and Utahraptor were carnivores.

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

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Allosaurus was discovered 116 years earlier, in 1877.

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Allosaurus belonged to Theropoda while Utahraptor belonged to Dromaeosauridae.

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