Allosaurus vs Nigersaurus

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

Side-by-Side Comparison

Свойство Allosaurus Nigersaurus
Научное название Allosaurus fragilis Nigersaurus taqueti
Классификация Theropoda Sauropoda
Период Jurassic Late Cretaceous Early
Питание Carnivore Herbivore
Длина 9.7 m 9.0 m
Height 3.5 m 2.0 m
Вес 2.3 t 4.0 t
Год открытия 1877 1999
Место открытия Garden Park, Colorado, USA Elrhaz Formation, Niger
Назван Othniel Charles Marsh Paul Sereno et al.

Size Comparison

Allosaurus 9.7 m

roughly the length of a large SUV

Nigersaurus 9.0 m

roughly the length of a large SUV

Weight Comparison

Allosaurus 2.3 t

comparable to 2.3 small cars

Nigersaurus 4.0 t

comparable to 4.0 small cars

Timeline Comparison

Allosaurus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Nigersaurus
145,0 Mya Cretaceous Early (Mesozoic) 100,5 Mya

Diet Comparison

Allosaurus

Carnivore

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

Nigersaurus

Herbivore

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

Classification Comparison

Allosaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Nigersaurus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Did You Know?

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Allosaurus was a carnivore while Nigersaurus was a herbivore.

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Allosaurus lived during the Jurassic Late while Nigersaurus lived during the Cretaceous Early, separated by roughly 0 million years.

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Allosaurus was discovered 122 years earlier, in 1877.

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Allosaurus belonged to Theropoda while Nigersaurus belonged to Sauropoda.

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