Dilophosaurus vs Spinosaurus

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

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Side-by-Side Comparison

Property Dilophosaurus Spinosaurus
Scientific Name Dilophosaurus wetherilli Spinosaurus aegyptiacus
Classification Theropoda Spinosauridae
Period Jurassic Early Cretaceous Early
Diet Carnivore Piscivore
Length 7.0 m 15.0 m
Height 2.0 m 5.2 m
Weight 400 kg 7.4 t
Discovery Year 1954 1912
Discovery Location Tuba City, Arizona, USA Bahariya Oasis, Egypt
Named By Samuel P. Welles Ernst Stromer
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Size Comparison

Dilophosaurus 7.0 m

roughly the length of a large SUV

Spinosaurus 15.0 m

about as long as 3 cars end-to-end

Weight Comparison

Dilophosaurus 400 kg

about 6 adult humans

Spinosaurus 7.4 t

about the weight of 1.2 elephants

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Timeline Comparison

Dilophosaurus
201.4 Mya Jurassic Early (Mesozoic) 174.7 Mya
Spinosaurus
145.0 Mya Cretaceous Early (Mesozoic) 100.5 Mya
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Diet Comparison

Dilophosaurus

Carnivore

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

Spinosaurus

Piscivore

Spinosaurus was a fish-eater, specialized in catching aquatic prey.

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Classification Comparison

Dilophosaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Spinosaurus

Clade: Theropoda

Group: Spinosauridae

(Spine lizards)

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Did You Know?

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Spinosaurus was about 2.1x longer than Dilophosaurus.

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Spinosaurus weighed roughly 18x more than Dilophosaurus.

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Dilophosaurus was a carnivore while Spinosaurus was a piscivore.

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Dilophosaurus lived during the Jurassic Early while Spinosaurus lived during the Cretaceous Early, separated by roughly 30 million years.

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Spinosaurus was discovered 42 years earlier, in 1912.

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Dilophosaurus belonged to Theropoda while Spinosaurus belonged to Spinosauridae.

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