Ankylosaurus vs Ornithomimus

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

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Side-by-Side Comparison

الخاصية Ankylosaurus Ornithomimus
الاسم العلمي Ankylosaurus magniventris Ornithomimus edmontonicus
التصنيف Ankylosauria Ornithomimosauria
الحقبة Cretaceous Late Cretaceous Late
النظام الغذائي Herbivore Omnivore
الطول 10.0 m 3.8 m
Height 1.7 m 1.4 m
الوزن 6.0 t 170 kg
سنة الاكتشاف 1908 1890
موقع الاكتشاف Hell Creek Formation, Montana, USA Alberta, Canada
سُمي بواسطة Barnum Brown Othniel Charles Marsh
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Size Comparison

Ankylosaurus 10.0 m

about as long as 2 cars end-to-end

Ornithomimus 3.8 m

about the size of a human adult

Weight Comparison

Ankylosaurus 6.0 t

about the weight of 1.0 elephants

Ornithomimus 170 kg

about 2 adult humans

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Timeline Comparison

Ankylosaurus
100,5 Mya Cretaceous Late (Mesozoic) 66,0 Mya
Ornithomimus
100,5 Mya Cretaceous Late (Mesozoic) 66,0 Mya

Ankylosaurus and Ornithomimus both lived during the Cretaceous Late period and may have shared the same habitats.

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Diet Comparison

Ankylosaurus

Herbivore

Ankylosaurus 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.

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Classification Comparison

Ankylosaurus

Clade: Thyreophora

Group: Ankylosauria

(Fused lizards)

Ornithomimus

Clade: Theropoda

Group: Ornithomimosauria

(Bird-mimic dinosaurs)

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Did You Know?

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Ankylosaurus was about 2.6x longer than Ornithomimus.

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Ankylosaurus weighed roughly 35x more than Ornithomimus.

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Ankylosaurus was a herbivore while Ornithomimus was a omnivore.

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Both dinosaurs lived during the Cretaceous Late period and may have coexisted.

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Ornithomimus was discovered 18 years earlier, in 1890.

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Ankylosaurus belonged to Ankylosauria while Ornithomimus belonged to Ornithomimosauria.

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