Allosaurus vs Carcharodontosaurus

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

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Side-by-Side Comparison

Property Allosaurus Carcharodontosaurus
Scientific Name Allosaurus fragilis Carcharodontosaurus saharicus
Classification Theropoda Theropoda
Period Jurassic Late Cretaceous Early
Diet Carnivore Carnivore
Length 9.7 m 12.0 m
Height 3.5 m 3.6 m
Weight 2.3 t 6.2 t
Discovery Year 1877 1931
Discovery Location Garden Park, Colorado, USA Kem Kem Beds, Morocco
Named By Othniel Charles Marsh Ernst Stromer
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Size Comparison

Allosaurus 9.7 m

roughly the length of a large SUV

Carcharodontosaurus 12.0 m

about as long as 2 cars end-to-end

Weight Comparison

Allosaurus 2.3 t

comparable to 2.3 small cars

Carcharodontosaurus 6.2 t

about the weight of 1.0 elephants

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Timeline Comparison

Allosaurus
161.5 Mya Jurassic Late (Mesozoic) 145.0 Mya
Carcharodontosaurus
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.

Carcharodontosaurus

Carnivore

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

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Classification Comparison

Allosaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Carcharodontosaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Both dinosaurs share a common ancestor within the Theropoda clade.

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Did You Know?

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Carcharodontosaurus weighed roughly 3x more than Allosaurus.

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Both Allosaurus and Carcharodontosaurus were carnivores.

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

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Allosaurus was discovered 54 years earlier, in 1877.

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Both belong to the Theropoda clade, making them relatively close relatives.

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Compare With Other Dinosaurs

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