Corythosaurus vs Pachycephalosaurus
A detailed side-by-side comparison of Corythosaurus and Pachycephalosaurus, covering size, diet, classification, geologic period, and discovery history.
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| Property | Corythosaurus | Pachycephalosaurus |
|---|---|---|
| Scientific Name | Corythosaurus casuarius | Pachycephalosaurus wyomingensis |
| Classification | Hadrosauridae | Pachycephalosauria |
| Period | Cretaceous Late | Cretaceous Late |
| Diet | Herbivore | Herbivore |
| Length | 9.0 m | 4.5 m |
| Height | 2.7 m | 1.8 m |
| Weight | 3.8 t | 450 kg |
| Discovery Year | 1914 | 1943 |
| Discovery Location | Red Deer River, Alberta, Canada | Montana, USA |
| Named By | Barnum Brown | Barnum Brown & Erich Schlaikjer |
Size Comparison
roughly the length of a large SUV
roughly the length of a large SUV
Weight Comparison
comparable to 3.8 small cars
about 6 adult humans
Timeline Comparison
Corythosaurus and Pachycephalosaurus both lived during the Cretaceous Late period and may have shared the same habitats.
Diet Comparison
Corythosaurus
HerbivoreCorythosaurus 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
Corythosaurus
Pachycephalosaurus
Both dinosaurs share a common ancestor within the Ornithischia clade.
Did You Know?
Corythosaurus was about 2.0x longer than Pachycephalosaurus.
Corythosaurus weighed roughly 8x more than Pachycephalosaurus.
Both Corythosaurus and Pachycephalosaurus were herbivores.
Both dinosaurs lived during the Cretaceous Late period and may have coexisted.
Corythosaurus was discovered 29 years earlier, in 1914.
Corythosaurus belonged to Hadrosauridae while Pachycephalosaurus belonged to Pachycephalosauria.
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