Diplodocus vs Iguanodon
A detailed side-by-side comparison of Diplodocus and Iguanodon, covering size, diet, classification, geologic period, and discovery history.
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| Property | Diplodocus | Iguanodon |
|---|---|---|
| Scientific Name | Diplodocus longus | Iguanodon bernissartensis |
| Classification | Sauropoda | Ornithischia |
| Period | Jurassic Late | Cretaceous Early |
| Diet | Herbivore | Herbivore |
| Length | 25.0 m | 10.0 m |
| Height | 5.0 m | 3.0 m |
| Weight | 14.0 t | 3.4 t |
| Discovery Year | 1878 | 1825 |
| Discovery Location | Canon City, Colorado, USA | Sussex, England |
| Named By | Othniel Charles Marsh | Gideon Mantell |
Size Comparison
about as long as 5 cars end-to-end
about as long as 2 cars end-to-end
Weight Comparison
about the weight of 2.3 elephants
comparable to 3.4 small cars
Timeline Comparison
Diet Comparison
Diplodocus
HerbivoreDiplodocus 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
Diplodocus
Iguanodon
Group: Ornithischia
(Bird-hipped dinosaurs)
Did You Know?
Diplodocus was about 2.5x longer than Iguanodon.
Diplodocus weighed roughly 4x more than Iguanodon.
Both Diplodocus and Iguanodon were herbivores.
Diplodocus lived during the Jurassic Late while Iguanodon lived during the Cretaceous Early, separated by roughly 0 million years.
Iguanodon was discovered 53 years earlier, in 1825.
Diplodocus belonged to Sauropoda while Iguanodon belonged to Ornithischia.
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