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

Thuộc tính Diplodocus Ornithomimus
Tên khoa học Diplodocus longus Ornithomimus edmontonicus
Phân loại Sauropoda Ornithomimosauria
Kỷ Jurassic Late Cretaceous Late
Chế độ ăn Herbivore Omnivore
Chiều dài 25.0 m 3.8 m
Height 5.0 m 1.4 m
Cân nặng 14.0 t 170 kg
Năm khám phá 1878 1890
Địa điểm khám phá Canon City, Colorado, USA Alberta, Canada
Được đặt tên bởi 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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