Dilophosaurus vs Irritator

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

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Side-by-Side Comparison

गुण Dilophosaurus Irritator
वैज्ञानिक नाम Dilophosaurus wetherilli Irritator challengeri
वर्गीकरण Theropoda Spinosauridae
युग Jurassic Early Cretaceous Early
आहार Carnivore Piscivore
लंबाई 7.0 m 8.0 m
Height 2.0 m 2.5 m
वजन 400 kg 1.0 t
खोज वर्ष 1954 1996
खोज स्थान Tuba City, Arizona, USA Santana Formation, Brazil
नामकर्ता Samuel P. Welles David Martill et al.
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Size Comparison

Dilophosaurus 7.0 m

roughly the length of a large SUV

Irritator 8.0 m

roughly the length of a large SUV

Weight Comparison

Dilophosaurus 400 kg

about 6 adult humans

Irritator 1.0 t

comparable to 1.0 small cars

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Timeline Comparison

Dilophosaurus
201.4 Mya Jurassic Early (Mesozoic) 174.7 Mya
Irritator
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.

Irritator

Piscivore

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

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Classification Comparison

Dilophosaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Irritator

Clade: Theropoda

Group: Spinosauridae

(Spine lizards)

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Did You Know?

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Irritator weighed roughly 2x more than Dilophosaurus.

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Dilophosaurus was a carnivore while Irritator was a piscivore.

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

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Dilophosaurus was discovered 42 years earlier, in 1954.

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Dilophosaurus belonged to Theropoda while Irritator belonged to Spinosauridae.

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