Carnotaurus vs Parasaurolophus

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

Side-by-Side Comparison

Property Carnotaurus Parasaurolophus
Scientific Name Carnotaurus sastrei Parasaurolophus walkeri
Classification Theropoda Hadrosauridae
Period Cretaceous Late Cretaceous Late
Diet Carnivore Herbivore
Length 7.5 m 9.5 m
Height 2.5 m 2.8 m
Weight 1.4 t 2.5 t
Discovery Year 1985 1922
Discovery Location Chubut Province, Argentina Sand Creek, Alberta, Canada
Named By Jose Bonaparte William Parks

Size Comparison

Carnotaurus 7.5 m

roughly the length of a large SUV

Parasaurolophus 9.5 m

roughly the length of a large SUV

Weight Comparison

Carnotaurus 1.4 t

comparable to 1.4 small cars

Parasaurolophus 2.5 t

comparable to 2.5 small cars

Timeline Comparison

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

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

Diet Comparison

Carnotaurus

Carnivore

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

Parasaurolophus

Herbivore

Parasaurolophus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.

Classification Comparison

Carnotaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Parasaurolophus

Clade: Ornithischia

Group: Hadrosauridae

(Duck-billed dinosaurs)

Did You Know?

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Carnotaurus was a carnivore while Parasaurolophus was a herbivore.

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Both dinosaurs lived during the Cretaceous Late period and may have coexisted.

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Parasaurolophus was discovered 63 years earlier, in 1922.

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Carnotaurus belonged to Theropoda while Parasaurolophus belonged to Hadrosauridae.

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