Diplodocus vs Irritator

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

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Side-by-Side Comparison

Özellik Diplodocus Irritator
Bilimsel Ad Diplodocus longus Irritator challengeri
Sınıflandırma Sauropoda Spinosauridae
Dönem Jurassic Late Cretaceous Early
Diyet Herbivore Piscivore
Uzunluk 25.0 m 8.0 m
Height 5.0 m 2.5 m
Ağırlık 14.0 t 1.0 t
Keşif Yılı 1878 1996
Keşif Yeri Canon City, Colorado, USA Santana Formation, Brazil
Adlandıran Othniel Charles Marsh David Martill et al.
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Size Comparison

Diplodocus 25.0 m

about as long as 5 cars end-to-end

Irritator 8.0 m

roughly the length of a large SUV

Weight Comparison

Diplodocus 14.0 t

about the weight of 2.3 elephants

Irritator 1.0 t

comparable to 1.0 small cars

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Timeline Comparison

Diplodocus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Irritator
145,0 Mya Cretaceous Early (Mesozoic) 100,5 Mya
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Diet Comparison

Diplodocus

Herbivore

Diplodocus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.

Irritator

Piscivore

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

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Classification Comparison

Diplodocus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Irritator

Clade: Theropoda

Group: Spinosauridae

(Spine lizards)

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Did You Know?

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Diplodocus was about 3.1x longer than Irritator.

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Diplodocus weighed roughly 14x more than Irritator.

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Diplodocus was a herbivore while Irritator was a piscivore.

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

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Diplodocus was discovered 118 years earlier, in 1878.

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Diplodocus belonged to Sauropoda while Irritator belonged to Spinosauridae.

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