Dilophosaurus vs Eoraptor

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

Side-by-Side Comparison

Property Dilophosaurus Eoraptor
Scientific Name Dilophosaurus wetherilli Eoraptor lunensis
Classification Theropoda Saurischia
Period Jurassic Early Triassic Late
Diet Carnivore Omnivore
Length 7.0 m 1.0 m
Height 2.0 m 0.3 m
Weight 400 kg 10 kg
Discovery Year 1954 1993
Discovery Location Tuba City, Arizona, USA Ischigualasto Formation, Argentina
Named By Samuel P. Welles Paul Sereno et al.

Size Comparison

Dilophosaurus 7.0 m

roughly the length of a large SUV

Eoraptor 1.0 m

smaller than a human child

Weight Comparison

Dilophosaurus 400 kg

about 6 adult humans

Eoraptor 10 kg

lighter than a human adult

Timeline Comparison

Dilophosaurus
201.4 Mya Jurassic Early (Mesozoic) 174.7 Mya
Eoraptor
237.0 Mya Triassic Late (Mesozoic) 201.4 Mya

Diet Comparison

Dilophosaurus

Carnivore

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

Eoraptor

Omnivore

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

Classification Comparison

Dilophosaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Eoraptor

Group: Saurischia

(Lizard-hipped dinosaurs)

Did You Know?

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Dilophosaurus was about 7.0x longer than Eoraptor.

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Dilophosaurus weighed roughly 40x more than Eoraptor.

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Dilophosaurus was a carnivore while Eoraptor was a omnivore.

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Dilophosaurus lived during the Jurassic Early while Eoraptor lived during the Triassic Late, separated by roughly 62 million years.

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Dilophosaurus was discovered 39 years earlier, in 1954.

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Dilophosaurus belonged to Theropoda while Eoraptor belonged to Saurischia.

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