Deinonychus vs Pachycephalosaurus
A detailed side-by-side comparison of Deinonychus and Pachycephalosaurus, covering size, diet, classification, geologic period, and discovery history.
Side-by-Side Comparison
| คุณสมบัติ | Deinonychus | Pachycephalosaurus |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Deinonychus antirrhopus | Pachycephalosaurus wyomingensis |
| การจำแนกประเภท | Dromaeosauridae | Pachycephalosauria |
| ยุคสมัย | Cretaceous Early | Cretaceous Late |
| อาหาร | Carnivore | Herbivore |
| ความยาว | 3.4 m | 4.5 m |
| Height | 0.9 m | 1.8 m |
| น้ำหนัก | 73 kg | 450 kg |
| ปีที่ค้นพบ | 1969 | 1943 |
| สถานที่ค้นพบ | Montana, USA | Montana, USA |
| ตั้งชื่อโดย | John Ostrom | Barnum Brown & Erich Schlaikjer |
Size Comparison
about the size of a human adult
roughly the length of a large SUV
Weight Comparison
about 1 adult humans
about 6 adult humans
Timeline Comparison
Diet Comparison
Deinonychus
CarnivoreDeinonychus was a meat-eating predator, hunting other animals for food.
Pachycephalosaurus
HerbivorePachycephalosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Classification Comparison
Deinonychus
Pachycephalosaurus
Did You Know?
Pachycephalosaurus weighed roughly 6x more than Deinonychus.
Deinonychus was a carnivore while Pachycephalosaurus was a herbivore.
Deinonychus lived during the Cretaceous Early while Pachycephalosaurus lived during the Cretaceous Late, separated by roughly 0 million years.
Pachycephalosaurus was discovered 26 years earlier, in 1943.
Deinonychus belonged to Dromaeosauridae while Pachycephalosaurus belonged to Pachycephalosauria.
Compare With Other Dinosaurs
Explore These Dinosaurs
Explore the Natural World
Discover more across the Nature FYI family