Diplodocus vs Gallimimus

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

Side-by-Side Comparison

Propriété Diplodocus Gallimimus
Nom scientifique Diplodocus longus Gallimimus bullatus
Classification Sauropoda Ornithomimosauria
Période Jurassic Late Cretaceous Late
Alimentation Herbivore Omnivore
Longueur 25.0 m 6.0 m
Height 5.0 m 1.9 m
Poids 14.0 t 440 kg
Année de découverte 1878 1972
Lieu de découverte Canon City, Colorado, USA Gobi Desert, Mongolia
Nommé par Othniel Charles Marsh Rinchen Barsbold et al.

Size Comparison

Diplodocus 25.0 m

about as long as 5 cars end-to-end

Gallimimus 6.0 m

roughly the length of a large SUV

Weight Comparison

Diplodocus 14.0 t

about the weight of 2.3 elephants

Gallimimus 440 kg

about 6 adult humans

Timeline Comparison

Diplodocus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Gallimimus
100,5 Mya Cretaceous Late (Mesozoic) 66,0 Mya

Diet Comparison

Diplodocus

Herbivore

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

Gallimimus

Omnivore

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

Classification Comparison

Diplodocus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Gallimimus

Clade: Theropoda

Group: Ornithomimosauria

(Bird-mimic dinosaurs)

Did You Know?

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Diplodocus was about 4.2x longer than Gallimimus.

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Diplodocus weighed roughly 32x more than Gallimimus.

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Diplodocus was a herbivore while Gallimimus was a omnivore.

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Diplodocus lived during the Jurassic Late while Gallimimus lived during the Cretaceous Late, separated by roughly 44 million years.

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Diplodocus was discovered 94 years earlier, in 1878.

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Diplodocus belonged to Sauropoda while Gallimimus belonged to Ornithomimosauria.

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