Allosaurus vs Irritator
A detailed side-by-side comparison of Allosaurus and Irritator, covering size, diet, classification, geologic period, and discovery history.
Side-by-Side Comparison
| Eigenschaft | Allosaurus | Irritator |
|---|---|---|
| Wissenschaftlicher Name | Allosaurus fragilis | Irritator challengeri |
| Klassifikation | Theropoda | Spinosauridae |
| Zeitraum | Jurassic Late | Cretaceous Early |
| Ernährung | Carnivore | Piscivore |
| Länge | 9.7 m | 8.0 m |
| Height | 3.5 m | 2.5 m |
| Gewicht | 2.3 t | 1.0 t |
| Entdeckungsjahr | 1877 | 1996 |
| Fundort | Garden Park, Colorado, USA | Santana Formation, Brazil |
| Benannt von | Othniel Charles Marsh | David Martill et al. |
Size Comparison
roughly the length of a large SUV
roughly the length of a large SUV
Weight Comparison
comparable to 2.3 small cars
comparable to 1.0 small cars
Timeline Comparison
Diet Comparison
Allosaurus
CarnivoreAllosaurus was a meat-eating predator, hunting other animals for food.
Irritator
PiscivoreIrritator was a fish-eater, specialized in catching aquatic prey.
Classification Comparison
Allosaurus
Irritator
Did You Know?
Allosaurus weighed roughly 2x more than Irritator.
Allosaurus was a carnivore while Irritator was a piscivore.
Allosaurus lived during the Jurassic Late while Irritator lived during the Cretaceous Early, separated by roughly 0 million years.
Allosaurus was discovered 119 years earlier, in 1877.
Allosaurus belonged to Theropoda while Irritator belonged to Spinosauridae.
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