Apatosaurus vs Utahraptor
A detailed side-by-side comparison of Apatosaurus and Utahraptor, covering size, diet, classification, geologic period, and discovery history.
{# ═══════════════════════════════════════════════════════════════════════════ Side-by-side comparison table ═══════════════════════════════════════════════════════════════════════════ #}Side-by-Side Comparison
| Property | Apatosaurus | Utahraptor |
|---|---|---|
| Scientific Name | Apatosaurus ajax | Utahraptor ostrommaysi |
| Classification | Sauropoda | Dromaeosauridae |
| Period | Jurassic Late | Cretaceous Early |
| Diet | Herbivore | Carnivore |
| Length | 22.0 m | 5.5 m |
| Height | 4.5 m | 1.8 m |
| Weight | 22.7 t | 500 kg |
| Discovery Year | 1877 | 1993 |
| Discovery Location | Morrison Formation, Colorado, USA | Arches National Park, Utah, USA |
| Named By | Othniel Charles Marsh | James Kirkland et al. |
Size Comparison
about as long as 4 cars end-to-end
roughly the length of a large SUV
Weight Comparison
about the weight of 3.8 elephants
about 7 adult humans
Timeline Comparison
Diet Comparison
Apatosaurus
HerbivoreApatosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Utahraptor
CarnivoreUtahraptor was a meat-eating predator, hunting other animals for food.
Classification Comparison
Apatosaurus
Utahraptor
Did You Know?
Apatosaurus was about 4.0x longer than Utahraptor.
Apatosaurus weighed roughly 45x more than Utahraptor.
Apatosaurus was a herbivore while Utahraptor was a carnivore.
Apatosaurus lived during the Jurassic Late while Utahraptor lived during the Cretaceous Early, separated by roughly 0 million years.
Apatosaurus was discovered 116 years earlier, in 1877.
Apatosaurus belonged to Sauropoda while Utahraptor belonged to Dromaeosauridae.
Compare With Other Dinosaurs
Explore These Dinosaurs
Explore the Natural World
Discover more across the Nature FYI family