Apatosaurus vs Irritator
A detailed side-by-side comparison of Apatosaurus and Irritator, covering size, diet, classification, geologic period, and discovery history.
Side-by-Side Comparison
| Propriété | Apatosaurus | Irritator |
|---|---|---|
| Nom scientifique | Apatosaurus ajax | Irritator challengeri |
| Classification | Sauropoda | Spinosauridae |
| Période | Jurassic Late | Cretaceous Early |
| Alimentation | Herbivore | Piscivore |
| Longueur | 22.0 m | 8.0 m |
| Height | 4.5 m | 2.5 m |
| Poids | 22.7 t | 1.0 t |
| Année de découverte | 1877 | 1996 |
| Lieu de découverte | Morrison Formation, Colorado, USA | Santana Formation, Brazil |
| Nommé par | Othniel Charles Marsh | David Martill et al. |
Size Comparison
about as long as 4 cars end-to-end
roughly the length of a large SUV
Weight Comparison
about the weight of 3.8 elephants
comparable to 1.0 small cars
Timeline Comparison
Diet Comparison
Apatosaurus
HerbivoreApatosaurus 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
Apatosaurus
Irritator
Did You Know?
Apatosaurus was about 2.8x longer than Irritator.
Apatosaurus weighed roughly 23x more than Irritator.
Apatosaurus was a herbivore while Irritator was a piscivore.
Apatosaurus lived during the Jurassic Late while Irritator lived during the Cretaceous Early, separated by roughly 0 million years.
Apatosaurus was discovered 119 years earlier, in 1877.
Apatosaurus belonged to Sauropoda while Irritator belonged to Spinosauridae.
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