Carnotaurus vs Ornithomimus

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

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Side-by-Side Comparison

Property Carnotaurus Ornithomimus
Scientific Name Carnotaurus sastrei Ornithomimus edmontonicus
Classification Theropoda Ornithomimosauria
Period Cretaceous Late Cretaceous Late
Diet Carnivore Omnivore
Length 7.5 m 3.8 m
Height 2.5 m 1.4 m
Weight 1.4 t 170 kg
Discovery Year 1985 1890
Discovery Location Chubut Province, Argentina Alberta, Canada
Named By Jose Bonaparte Othniel Charles Marsh
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Size Comparison

Carnotaurus 7.5 m

roughly the length of a large SUV

Ornithomimus 3.8 m

about the size of a human adult

Weight Comparison

Carnotaurus 1.4 t

comparable to 1.4 small cars

Ornithomimus 170 kg

about 2 adult humans

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Timeline Comparison

Carnotaurus
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya
Ornithomimus
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya

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

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Diet Comparison

Carnotaurus

Carnivore

Carnotaurus 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

Carnotaurus

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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Carnotaurus was about 2.0x longer than Ornithomimus.

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Carnotaurus weighed roughly 8x more than Ornithomimus.

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Carnotaurus was a carnivore 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 95 years earlier, in 1890.

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Carnotaurus belonged to Theropoda while Ornithomimus belonged to Ornithomimosauria.

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