Apatosaurus vs Psittacosaurus
A detailed side-by-side comparison of Apatosaurus and Psittacosaurus, covering size, diet, classification, geologic period, and discovery history.
Side-by-Side Comparison
| الخاصية | Apatosaurus | Psittacosaurus |
|---|---|---|
| الاسم العلمي | Apatosaurus ajax | Psittacosaurus mongoliensis |
| التصنيف | Sauropoda | Ceratopsia |
| الحقبة | Jurassic Late | Cretaceous Early |
| النظام الغذائي | Herbivore | Herbivore |
| الطول | 22.0 m | 2.0 m |
| Height | 4.5 m | 0.6 m |
| الوزن | 22.7 t | 20 kg |
| سنة الاكتشاف | 1877 | 1923 |
| موقع الاكتشاف | Morrison Formation, Colorado, USA | Mongolia |
| سُمي بواسطة | Othniel Charles Marsh | Henry Fairfield Osborn |
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.
Psittacosaurus
HerbivorePsittacosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Classification Comparison
Apatosaurus
Psittacosaurus
Did You Know?
Apatosaurus was about 11.0x longer than Psittacosaurus.
Apatosaurus weighed roughly 1135x more than Psittacosaurus.
Both Apatosaurus and Psittacosaurus were herbivores.
Apatosaurus lived during the Jurassic Late while Psittacosaurus lived during the Cretaceous Early, separated by roughly 0 million years.
Apatosaurus was discovered 46 years earlier, in 1877.
Apatosaurus belonged to Sauropoda while Psittacosaurus belonged to Ceratopsia.
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