Dilophosaurus vs Giganotosaurus

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

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Side-by-Side Comparison

Property Dilophosaurus Giganotosaurus
Scientific Name Dilophosaurus wetherilli Giganotosaurus carolinii
Classification Theropoda Theropoda
Period Jurassic Early Cretaceous Late
Diet Carnivore Carnivore
Length 7.0 m 12.5 m
Height 2.0 m 3.7 m
Weight 400 kg 6.8 t
Discovery Year 1954 1993
Discovery Location Tuba City, Arizona, USA Patagonia, Argentina
Named By Samuel P. Welles Rodolfo Coria & Leonardo Salgado
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Size Comparison

Dilophosaurus 7.0 m

roughly the length of a large SUV

Giganotosaurus 12.5 m

about as long as 2 cars end-to-end

Weight Comparison

Dilophosaurus 400 kg

about 6 adult humans

Giganotosaurus 6.8 t

about the weight of 1.1 elephants

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Timeline Comparison

Dilophosaurus
201.4 Mya Jurassic Early (Mesozoic) 174.7 Mya
Giganotosaurus
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya
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Diet Comparison

Dilophosaurus

Carnivore

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

Giganotosaurus

Carnivore

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

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Classification Comparison

Dilophosaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Giganotosaurus

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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Giganotosaurus was about 1.8x longer than Dilophosaurus.

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Giganotosaurus weighed roughly 17x more than Dilophosaurus.

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Both Dilophosaurus and Giganotosaurus were carnivores.

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Dilophosaurus lived during the Jurassic Early while Giganotosaurus lived during the Cretaceous Late, separated by roughly 74 million years.

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Dilophosaurus was discovered 39 years earlier, in 1954.

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

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