Amargasaurus vs Deinonychus
A detailed side-by-side comparison of Amargasaurus and Deinonychus, covering size, diet, classification, geologic period, and discovery history.
Side-by-Side Comparison
| Property | Amargasaurus | Deinonychus |
|---|---|---|
| Scientific Name | Amargasaurus cazaui | Deinonychus antirrhopus |
| Classification | Sauropoda | Dromaeosauridae |
| Period | Cretaceous Early | Cretaceous Early |
| Diet | Herbivore | Carnivore |
| Length | 10.0 m | 3.4 m |
| Height | 2.5 m | 0.9 m |
| Weight | 2.6 t | 73 kg |
| Discovery Year | 1991 | 1969 |
| Discovery Location | La Amarga Formation, Argentina | Montana, USA |
| Named By | Leonardo Salgado & Jose Bonaparte | John Ostrom |
Size Comparison
about as long as 2 cars end-to-end
about the size of a human adult
Weight Comparison
comparable to 2.6 small cars
about 1 adult humans
Timeline Comparison
Amargasaurus and Deinonychus 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.
Deinonychus
CarnivoreDeinonychus was a meat-eating predator, hunting other animals for food.
Classification Comparison
Amargasaurus
Deinonychus
Did You Know?
Amargasaurus was about 2.9x longer than Deinonychus.
Amargasaurus weighed roughly 36x more than Deinonychus.
Amargasaurus was a herbivore while Deinonychus was a carnivore.
Both dinosaurs lived during the Cretaceous Early period and may have coexisted.
Deinonychus was discovered 22 years earlier, in 1969.
Amargasaurus belonged to Sauropoda while Deinonychus belonged to Dromaeosauridae.