Apatosaurus vs Coelophysis
A detailed side-by-side comparison of Apatosaurus and Coelophysis, covering size, diet, classification, geologic period, and discovery history.
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| Property | Apatosaurus | Coelophysis |
|---|---|---|
| Scientific Name | Apatosaurus ajax | Coelophysis bauri |
| Classification | Sauropoda | Theropoda |
| Period | Jurassic Late | Triassic Late |
| Diet | Herbivore | Carnivore |
| Length | 22.0 m | 3.0 m |
| Height | 4.5 m | 1.0 m |
| Weight | 22.7 t | 20 kg |
| Discovery Year | 1877 | 1889 |
| Discovery Location | Morrison Formation, Colorado, USA | Ghost Ranch, New Mexico, USA |
| Named By | Othniel Charles Marsh | Edward Drinker Cope |
Size Comparison
about as long as 4 cars end-to-end
about the size of a human adult
Weight Comparison
about the weight of 3.8 elephants
lighter than a human adult
Timeline Comparison
Diet Comparison
Apatosaurus
HerbivoreApatosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Coelophysis
CarnivoreCoelophysis was a meat-eating predator, hunting other animals for food.
Classification Comparison
Apatosaurus
Coelophysis
Did You Know?
Apatosaurus was about 7.3x longer than Coelophysis.
Apatosaurus weighed roughly 1135x more than Coelophysis.
Apatosaurus was a herbivore while Coelophysis was a carnivore.
Apatosaurus lived during the Jurassic Late while Coelophysis lived during the Triassic Late, separated by roughly 92 million years.
Apatosaurus was discovered 12 years earlier, in 1877.
Apatosaurus belonged to Sauropoda while Coelophysis belonged to Theropoda.
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