Amargasaurus vs Tyrannosaurus Rex
A detailed side-by-side comparison of Amargasaurus and Tyrannosaurus Rex, covering size, diet, classification, geologic period, and discovery history.
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| Property | Amargasaurus | Tyrannosaurus Rex |
|---|---|---|
| Scientific Name | Amargasaurus cazaui | Tyrannosaurus rex |
| Classification | Sauropoda | Tyrannosauridae |
| Period | Cretaceous Early | Cretaceous Late |
| Diet | Herbivore | Carnivore |
| Length | 10.0 m | 12.3 m |
| Height | 2.5 m | 3.7 m |
| Weight | 2.6 t | 8.4 t |
| Discovery Year | 1991 | 1905 |
| Discovery Location | La Amarga Formation, Argentina | Montana, USA |
| Named By | Leonardo Salgado & Jose Bonaparte | Henry Fairfield Osborn |
Size Comparison
about as long as 2 cars end-to-end
about as long as 2 cars end-to-end
Weight Comparison
comparable to 2.6 small cars
about the weight of 1.4 elephants
Timeline Comparison
Diet Comparison
Amargasaurus
HerbivoreAmargasaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Tyrannosaurus Rex
CarnivoreTyrannosaurus Rex was a meat-eating predator, hunting other animals for food.
Classification Comparison
Amargasaurus
Tyrannosaurus Rex
Did You Know?
Tyrannosaurus Rex weighed roughly 3x more than Amargasaurus.
Amargasaurus was a herbivore while Tyrannosaurus Rex was a carnivore.
Amargasaurus lived during the Cretaceous Early while Tyrannosaurus Rex lived during the Cretaceous Late, separated by roughly 0 million years.
Tyrannosaurus Rex was discovered 86 years earlier, in 1905.
Amargasaurus belonged to Sauropoda while Tyrannosaurus Rex belonged to Tyrannosauridae.
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