Brachiosaurus vs Iguanodon
A detailed side-by-side comparison of Brachiosaurus and Iguanodon, covering size, diet, classification, geologic period, and discovery history.
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| Property | Brachiosaurus | Iguanodon |
|---|---|---|
| Scientific Name | Brachiosaurus altithorax | Iguanodon bernissartensis |
| Classification | Sauropoda | Ornithischia |
| Period | Jurassic Late | Cretaceous Early |
| Diet | Herbivore | Herbivore |
| Length | 26.0 m | 10.0 m |
| Height | 13.0 m | 3.0 m |
| Weight | 56.0 t | 3.4 t |
| Discovery Year | 1903 | 1825 |
| Discovery Location | Grand River Valley, Colorado, USA | Sussex, England |
| Named By | Elmer S. Riggs | Gideon Mantell |
Size Comparison
about as long as 5 cars end-to-end
about as long as 2 cars end-to-end
Weight Comparison
heavier than 9 African elephants
comparable to 3.4 small cars
Timeline Comparison
Diet Comparison
Brachiosaurus
HerbivoreBrachiosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Iguanodon
HerbivoreIguanodon was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Classification Comparison
Brachiosaurus
Iguanodon
Group: Ornithischia
(Bird-hipped dinosaurs)
Did You Know?
Brachiosaurus was about 2.6x longer than Iguanodon.
Brachiosaurus weighed roughly 16x more than Iguanodon.
Both Brachiosaurus and Iguanodon were herbivores.
Brachiosaurus lived during the Jurassic Late while Iguanodon lived during the Cretaceous Early, separated by roughly 0 million years.
Iguanodon was discovered 78 years earlier, in 1825.
Brachiosaurus belonged to Sauropoda while Iguanodon belonged to Ornithischia.
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