Psittacosaurus vs Triceratops
A detailed side-by-side comparison of Psittacosaurus and Triceratops, covering size, diet, classification, geologic period, and discovery history.
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Side-by-side comparison table
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Side-by-Side Comparison
| Property |
Psittacosaurus |
Triceratops |
| Scientific Name |
Psittacosaurus mongoliensis |
Triceratops horridus |
| Classification |
Ceratopsia |
Ceratopsia |
| Period |
Cretaceous Early |
Cretaceous Late |
| Diet |
Herbivore |
Herbivore |
| Length |
2.0 m |
9.0 m |
| Height |
0.6 m |
3.0 m |
| Weight |
20 kg |
6.8 t |
| Discovery Year |
1923 |
1889 |
| Discovery Location |
Mongolia |
Denver, Colorado, USA |
| Named By |
Henry Fairfield Osborn |
Othniel Charles Marsh |
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Visual size comparison
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Size Comparison
Psittacosaurus
2.0 m
about the size of a human adult
Triceratops
9.0 m
roughly the length of a large SUV
Weight Comparison
Psittacosaurus
20 kg
lighter than a human adult
Triceratops
6.8 t
about the weight of 1.1 elephants
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Timeline comparison
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Diet comparison
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ #}
Diet Comparison
Psittacosaurus
Herbivore
Psittacosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Triceratops
Herbivore
Triceratops was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
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Classification comparison
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ #}
Classification Comparison
Both dinosaurs share a common ancestor within the Ceratopsia clade.
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Key differences (from DinoComparison model)
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ #}
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Did You Know? fun facts
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Did You Know?
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Triceratops was about 4.5x longer than Psittacosaurus.
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Triceratops weighed roughly 340x more than Psittacosaurus.
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Both Psittacosaurus and Triceratops were herbivores.
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Psittacosaurus lived during the Cretaceous Early while Triceratops lived during the Cretaceous Late, separated by roughly 0 million years.
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Triceratops was discovered 34 years earlier, in 1889.
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Both belong to the Ceratopsia clade, making them relatively close relatives.
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Related comparisons
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Compare With Other Dinosaurs
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Explore these dinosaurs
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