Allosaurus vs Edmontosaurus

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

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Side-by-Side Comparison

Properti Allosaurus Edmontosaurus
Nama Ilmiah Allosaurus fragilis Edmontosaurus regalis
Klasifikasi Theropoda Hadrosauridae
Periode Jurassic Late Cretaceous Late
Diet Carnivore Herbivore
Panjang 9.7 m 12.0 m
Height 3.5 m 3.4 m
Berat 2.3 t 4.0 t
Tahun Penemuan 1877 1917
Lokasi Penemuan Garden Park, Colorado, USA Edmonton, Alberta, Canada
Dinamai Oleh Othniel Charles Marsh Lawrence Lambe
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Size Comparison

Allosaurus 9.7 m

roughly the length of a large SUV

Edmontosaurus 12.0 m

about as long as 2 cars end-to-end

Weight Comparison

Allosaurus 2.3 t

comparable to 2.3 small cars

Edmontosaurus 4.0 t

comparable to 4.0 small cars

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Timeline Comparison

Allosaurus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Edmontosaurus
100,5 Mya Cretaceous Late (Mesozoic) 66,0 Mya
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Diet Comparison

Allosaurus

Carnivore

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

Edmontosaurus

Herbivore

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

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Classification Comparison

Allosaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Edmontosaurus

Clade: Ornithischia

Group: Hadrosauridae

(Duck-billed dinosaurs)

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Did You Know?

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Allosaurus was a carnivore while Edmontosaurus was a herbivore.

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Allosaurus lived during the Jurassic Late while Edmontosaurus lived during the Cretaceous Late, separated by roughly 44 million years.

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Allosaurus was discovered 40 years earlier, in 1877.

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Allosaurus belonged to Theropoda while Edmontosaurus belonged to Hadrosauridae.

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Compare With Other Dinosaurs

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