Carnotaurus vs Herrerasaurus

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

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Side-by-Side Comparison

Property Carnotaurus Herrerasaurus
Scientific Name Carnotaurus sastrei Herrerasaurus ischigualastensis
Classification Theropoda Saurischia
Period Cretaceous Late Triassic Late
Diet Carnivore Carnivore
Length 7.5 m 6.0 m
Height 2.5 m 1.5 m
Weight 1.4 t 350 kg
Discovery Year 1985 1963
Discovery Location Chubut Province, Argentina Ischigualasto Formation, Argentina
Named By Jose Bonaparte Osvaldo Reig
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Size Comparison

Carnotaurus 7.5 m

roughly the length of a large SUV

Herrerasaurus 6.0 m

roughly the length of a large SUV

Weight Comparison

Carnotaurus 1.4 t

comparable to 1.4 small cars

Herrerasaurus 350 kg

about 5 adult humans

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Timeline Comparison

Carnotaurus
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya
Herrerasaurus
237.0 Mya Triassic Late (Mesozoic) 201.4 Mya
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Diet Comparison

Carnotaurus

Carnivore

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

Herrerasaurus

Carnivore

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

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Classification Comparison

Carnotaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Herrerasaurus

Group: Saurischia

(Lizard-hipped dinosaurs)

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Did You Know?

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Carnotaurus weighed roughly 4x more than Herrerasaurus.

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Both Carnotaurus and Herrerasaurus were carnivores.

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Carnotaurus lived during the Cretaceous Late while Herrerasaurus lived during the Triassic Late, separated by roughly 171 million years.

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Herrerasaurus was discovered 22 years earlier, in 1963.

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Carnotaurus belonged to Theropoda while Herrerasaurus belonged to Saurischia.

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