Diplodocus vs Irritator
A detailed side-by-side comparison of Diplodocus and Irritator, covering size, diet, classification, geologic period, and discovery history.
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| Property | Diplodocus | Irritator |
|---|---|---|
| Scientific Name | Diplodocus longus | Irritator challengeri |
| Classification | Sauropoda | Spinosauridae |
| Period | Jurassic Late | Cretaceous Early |
| Diet | Herbivore | Piscivore |
| Length | 25.0 m | 8.0 m |
| Height | 5.0 m | 2.5 m |
| Weight | 14.0 t | 1.0 t |
| Discovery Year | 1878 | 1996 |
| Discovery Location | Canon City, Colorado, USA | Santana Formation, Brazil |
| Named By | Othniel Charles Marsh | David Martill et al. |
Size Comparison
about as long as 5 cars end-to-end
roughly the length of a large SUV
Weight Comparison
about the weight of 2.3 elephants
comparable to 1.0 small cars
Timeline Comparison
Diet Comparison
Diplodocus
HerbivoreDiplodocus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Irritator
PiscivoreIrritator was a fish-eater, specialized in catching aquatic prey.
Classification Comparison
Diplodocus
Irritator
Did You Know?
Diplodocus was about 3.1x longer than Irritator.
Diplodocus weighed roughly 14x more than Irritator.
Diplodocus was a herbivore while Irritator was a piscivore.
Diplodocus lived during the Jurassic Late while Irritator lived during the Cretaceous Early, separated by roughly 0 million years.
Diplodocus was discovered 118 years earlier, in 1878.
Diplodocus belonged to Sauropoda while Irritator belonged to Spinosauridae.
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