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

Eigenschaft Ankylosaurus Ornithomimus
Wissenschaftlicher Name Ankylosaurus magniventris Ornithomimus edmontonicus
Klassifikation Ankylosauria Ornithomimosauria
Zeitraum Cretaceous Late Cretaceous Late
Ernährung Herbivore Omnivore
Länge 10.0 m 3.8 m
Height 1.7 m 1.4 m
Gewicht 6.0 t 170 kg
Entdeckungsjahr 1908 1890
Fundort Hell Creek Formation, Montana, USA Alberta, Canada
Benannt von 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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