Coelophysis vs Maiasaura
A detailed side-by-side comparison of Coelophysis and Maiasaura, covering size, diet, classification, geologic period, and discovery history.
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| Property | Coelophysis | Maiasaura |
|---|---|---|
| Scientific Name | Coelophysis bauri | Maiasaura peeblesorum |
| Classification | Theropoda | Hadrosauridae |
| Period | Triassic Late | Cretaceous Late |
| Diet | Carnivore | Herbivore |
| Length | 3.0 m | 9.0 m |
| Height | 1.0 m | 2.3 m |
| Weight | 20 kg | 4.0 t |
| Discovery Year | 1889 | 1979 |
| Discovery Location | Ghost Ranch, New Mexico, USA | Two Medicine Formation, Montana, USA |
| Named By | Edward Drinker Cope | Jack Horner & Robert Makela |
Size Comparison
about the size of a human adult
roughly the length of a large SUV
Weight Comparison
lighter than a human adult
comparable to 4.0 small cars
Timeline Comparison
Diet Comparison
Coelophysis
CarnivoreCoelophysis was a meat-eating predator, hunting other animals for food.
Maiasaura
HerbivoreMaiasaura was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Classification Comparison
Coelophysis
Maiasaura
Did You Know?
Maiasaura was about 3.0x longer than Coelophysis.
Maiasaura weighed roughly 200x more than Coelophysis.
Coelophysis was a carnivore while Maiasaura was a herbivore.
Coelophysis lived during the Triassic Late while Maiasaura lived during the Cretaceous Late, separated by roughly 101 million years.
Coelophysis was discovered 90 years earlier, in 1889.
Coelophysis belonged to Theropoda while Maiasaura belonged to Hadrosauridae.
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