Diplodocus vs Ornithomimus

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

Side-by-Side Comparison

Özellik Diplodocus Ornithomimus
Bilimsel Ad Diplodocus longus Ornithomimus edmontonicus
Sınıflandırma Sauropoda Ornithomimosauria
Dönem Jurassic Late Cretaceous Late
Diyet Herbivore Omnivore
Uzunluk 25.0 m 3.8 m
Height 5.0 m 1.4 m
Ağırlık 14.0 t 170 kg
Keşif Yılı 1878 1890
Keşif Yeri Canon City, Colorado, USA Alberta, Canada
Adlandıran Othniel Charles Marsh Othniel Charles Marsh

Size Comparison

Diplodocus 25.0 m

about as long as 5 cars end-to-end

Ornithomimus 3.8 m

about the size of a human adult

Weight Comparison

Diplodocus 14.0 t

about the weight of 2.3 elephants

Ornithomimus 170 kg

about 2 adult humans

Timeline Comparison

Diplodocus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Ornithomimus
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.

Ornithomimus

Omnivore

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

Classification Comparison

Diplodocus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Ornithomimus

Clade: Theropoda

Group: Ornithomimosauria

(Bird-mimic dinosaurs)

Did You Know?

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Diplodocus was about 6.6x longer than Ornithomimus.

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Diplodocus weighed roughly 82x more than Ornithomimus.

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Diplodocus was a herbivore while Ornithomimus was a omnivore.

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

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Diplodocus was discovered 12 years earlier, in 1878.

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Diplodocus belonged to Sauropoda while Ornithomimus belonged to Ornithomimosauria.

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