Brachiosaurus vs Iguanodon

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

Side-by-Side Comparison

Thuộc tính Brachiosaurus Iguanodon
Tên khoa học Brachiosaurus altithorax Iguanodon bernissartensis
Phân loại Sauropoda Ornithischia
Kỷ Jurassic Late Cretaceous Early
Chế độ ăn Herbivore Herbivore
Chiều dài 26.0 m 10.0 m
Height 13.0 m 3.0 m
Cân nặng 56.0 t 3.4 t
Năm khám phá 1903 1825
Địa điểm khám phá Grand River Valley, Colorado, USA Sussex, England
Được đặt tên bởi Elmer S. Riggs Gideon Mantell

Size Comparison

Brachiosaurus 26.0 m

about as long as 5 cars end-to-end

Iguanodon 10.0 m

about as long as 2 cars end-to-end

Weight Comparison

Brachiosaurus 56.0 t

heavier than 9 African elephants

Iguanodon 3.4 t

comparable to 3.4 small cars

Timeline Comparison

Brachiosaurus
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Iguanodon
145,0 Mya Cretaceous Early (Mesozoic) 100,5 Mya

Diet Comparison

Brachiosaurus

Herbivore

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

Iguanodon

Herbivore

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

Classification Comparison

Brachiosaurus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Iguanodon

Group: Ornithischia

(Bird-hipped dinosaurs)

Did You Know?

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Brachiosaurus was about 2.6x longer than Iguanodon.

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Brachiosaurus weighed roughly 16x more than Iguanodon.

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Both Brachiosaurus and Iguanodon were herbivores.

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

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Iguanodon was discovered 78 years earlier, in 1825.

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Brachiosaurus belonged to Sauropoda while Iguanodon belonged to Ornithischia.

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