Allosaurus vs Dracorex
A detailed side-by-side comparison of Allosaurus and Dracorex, covering size, diet, classification, geologic period, and discovery history.
Side-by-Side Comparison
| Property | Allosaurus | Dracorex |
|---|---|---|
| Scientific Name | Allosaurus fragilis | Dracorex hogwartsia |
| Classification | Theropoda | Pachycephalosauria |
| Period | Jurassic Late | Cretaceous Late |
| Diet | Carnivore | Herbivore |
| Length | 9.7 m | 3.0 m |
| Height | 3.5 m | 1.2 m |
| Weight | 2.3 t | 200 kg |
| Discovery Year | 1877 | 2006 |
| Discovery Location | Garden Park, Colorado, USA | Hell Creek Formation, South Dakota, USA |
| Named By | Othniel Charles Marsh | Robert Bakker et al. |
Size Comparison
roughly the length of a large SUV
about the size of a human adult
Weight Comparison
comparable to 2.3 small cars
about 3 adult humans
Timeline Comparison
Diet Comparison
Allosaurus
CarnivoreAllosaurus was a meat-eating predator, hunting other animals for food.
Dracorex
HerbivoreDracorex was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Classification Comparison
Allosaurus
Dracorex
Did You Know?
Allosaurus was about 3.2x longer than Dracorex.
Allosaurus weighed roughly 12x more than Dracorex.
Allosaurus was a carnivore while Dracorex was a herbivore.
Allosaurus lived during the Jurassic Late while Dracorex lived during the Cretaceous Late, separated by roughly 44 million years.
Allosaurus was discovered 129 years earlier, in 1877.
Allosaurus belonged to Theropoda while Dracorex belonged to Pachycephalosauria.