Amargasaurus vs Utahraptor
A detailed side-by-side comparison of Amargasaurus and Utahraptor, covering size, diet, classification, geologic period, and discovery history.
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| Property | Amargasaurus | Utahraptor |
|---|---|---|
| Scientific Name | Amargasaurus cazaui | Utahraptor ostrommaysi |
| Classification | Sauropoda | Dromaeosauridae |
| Period | Cretaceous Early | Cretaceous Early |
| Diet | Herbivore | Carnivore |
| Length | 10.0 m | 5.5 m |
| Height | 2.5 m | 1.8 m |
| Weight | 2.6 t | 500 kg |
| Discovery Year | 1991 | 1993 |
| Discovery Location | La Amarga Formation, Argentina | Arches National Park, Utah, USA |
| Named By | Leonardo Salgado & Jose Bonaparte | James Kirkland et al. |
Size Comparison
about as long as 2 cars end-to-end
roughly the length of a large SUV
Weight Comparison
comparable to 2.6 small cars
about 7 adult humans
Timeline Comparison
Amargasaurus and Utahraptor both lived during the Cretaceous Early period and may have shared the same habitats.
Diet Comparison
Amargasaurus
HerbivoreAmargasaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Utahraptor
CarnivoreUtahraptor was a meat-eating predator, hunting other animals for food.
Classification Comparison
Amargasaurus
Utahraptor
Did You Know?
Amargasaurus was about 1.8x longer than Utahraptor.
Amargasaurus weighed roughly 5x more than Utahraptor.
Amargasaurus was a herbivore while Utahraptor was a carnivore.
Both dinosaurs lived during the Cretaceous Early period and may have coexisted.
Amargasaurus was discovered 2 years earlier, in 1991.
Amargasaurus belonged to Sauropoda while Utahraptor belonged to Dromaeosauridae.
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