Archaeopteryx vs Ornithomimus

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

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Side-by-Side Comparison

Property Archaeopteryx Ornithomimus
Scientific Name Archaeopteryx lithographica Ornithomimus edmontonicus
Classification Theropoda Ornithomimosauria
Period Jurassic Late Cretaceous Late
Diet Carnivore Omnivore
Length 0.5 m 3.8 m
Height 0.3 m 1.4 m
Weight 0 kg 170 kg
Discovery Year 1861 1890
Discovery Location Solnhofen, Bavaria, Germany Alberta, Canada
Named By Hermann von Meyer Othniel Charles Marsh
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Size Comparison

Archaeopteryx 0.5 m

smaller than a human child

Ornithomimus 3.8 m

about the size of a human adult

Weight Comparison

Archaeopteryx 0 kg

lighter than a human adult

Ornithomimus 170 kg

about 2 adult humans

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Timeline Comparison

Archaeopteryx
161.5 Mya Jurassic Late (Mesozoic) 145.0 Mya
Ornithomimus
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya
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Diet Comparison

Archaeopteryx

Carnivore

Archaeopteryx 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

Archaeopteryx

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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Ornithomimus was about 7.6x longer than Archaeopteryx.

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Ornithomimus weighed roughly 340x more than Archaeopteryx.

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Archaeopteryx was a carnivore while Ornithomimus was a omnivore.

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

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Archaeopteryx was discovered 29 years earlier, in 1861.

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Archaeopteryx belonged to Theropoda while Ornithomimus belonged to Ornithomimosauria.

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