Amargasaurus vs Pachycephalosaurus
A detailed side-by-side comparison of Amargasaurus and Pachycephalosaurus, covering size, diet, classification, geologic period, and discovery history.
Side-by-Side Comparison
| Свойство | Amargasaurus | Pachycephalosaurus |
|---|---|---|
| Научное название | Amargasaurus cazaui | Pachycephalosaurus wyomingensis |
| Классификация | Sauropoda | Pachycephalosauria |
| Период | Cretaceous Early | Cretaceous Late |
| Питание | Herbivore | Herbivore |
| Длина | 10.0 m | 4.5 m |
| Height | 2.5 m | 1.8 m |
| Вес | 2.6 t | 450 kg |
| Год открытия | 1991 | 1943 |
| Место открытия | La Amarga Formation, Argentina | Montana, USA |
| Назван | Leonardo Salgado & Jose Bonaparte | Barnum Brown & Erich Schlaikjer |
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 6 adult humans
Timeline Comparison
Diet Comparison
Amargasaurus
HerbivoreAmargasaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Pachycephalosaurus
HerbivorePachycephalosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Classification Comparison
Amargasaurus
Pachycephalosaurus
Did You Know?
Amargasaurus was about 2.2x longer than Pachycephalosaurus.
Amargasaurus weighed roughly 6x more than Pachycephalosaurus.
Both Amargasaurus and Pachycephalosaurus were herbivores.
Amargasaurus lived during the Cretaceous Early while Pachycephalosaurus lived during the Cretaceous Late, separated by roughly 0 million years.
Pachycephalosaurus was discovered 48 years earlier, in 1943.
Amargasaurus belonged to Sauropoda while Pachycephalosaurus belonged to Pachycephalosauria.
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