Cryolophosaurus vs Ornithomimus

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

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Side-by-Side Comparison

Property Cryolophosaurus Ornithomimus
Scientific Name Cryolophosaurus ellioti Ornithomimus edmontonicus
Classification Theropoda Ornithomimosauria
Period Jurassic Early Cretaceous Late
Diet Carnivore Omnivore
Length 6.5 m 3.8 m
Height 2.0 m 1.4 m
Weight 465 kg 170 kg
Discovery Year 1994 1890
Discovery Location Mount Kirkpatrick, Antarctica Alberta, Canada
Named By William Hammer & William Hickerson Othniel Charles Marsh
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Size Comparison

Cryolophosaurus 6.5 m

roughly the length of a large SUV

Ornithomimus 3.8 m

about the size of a human adult

Weight Comparison

Cryolophosaurus 465 kg

about 7 adult humans

Ornithomimus 170 kg

about 2 adult humans

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Timeline Comparison

Cryolophosaurus
201.4 Mya Jurassic Early (Mesozoic) 174.7 Mya
Ornithomimus
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya
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Diet Comparison

Cryolophosaurus

Carnivore

Cryolophosaurus was a meat-eating predator, hunting other animals for food.

Ornithomimus

Omnivore

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

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Classification Comparison

Cryolophosaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Ornithomimus

Clade: Theropoda

Group: Ornithomimosauria

(Bird-mimic dinosaurs)

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Did You Know?

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Cryolophosaurus was about 1.7x longer than Ornithomimus.

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Cryolophosaurus weighed roughly 3x more than Ornithomimus.

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Cryolophosaurus was a carnivore while Ornithomimus was a omnivore.

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Cryolophosaurus lived during the Jurassic Early while Ornithomimus lived during the Cretaceous Late, separated by roughly 74 million years.

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Ornithomimus was discovered 104 years earlier, in 1890.

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Cryolophosaurus belonged to Theropoda while Ornithomimus belonged to Ornithomimosauria.

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