Allosaurus vs Sinosauropteryx
A detailed side-by-side comparison of Allosaurus and Sinosauropteryx, 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 |
Allosaurus |
Sinosauropteryx |
| Scientific Name |
Allosaurus fragilis |
Sinosauropteryx prima |
| Classification |
Theropoda |
Theropoda |
| Period |
Jurassic Late |
Cretaceous Early |
| Diet |
Carnivore |
Carnivore |
| Length |
9.7 m |
1.0 m |
| Height |
3.5 m |
0.3 m |
| Weight |
2.3 t |
1 kg |
| Discovery Year |
1877 |
1996 |
| Discovery Location |
Garden Park, Colorado, USA |
Liaoning Province, China |
| Named By |
Othniel Charles Marsh |
Ji Qiang & Ji Shu-An |
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Visual size comparison
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Size Comparison
Allosaurus
9.7 m
roughly the length of a large SUV
Sinosauropteryx
1.0 m
smaller than a human child
Weight Comparison
Allosaurus
2.3 t
comparable to 2.3 small cars
Sinosauropteryx
1 kg
lighter than a human adult
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Timeline comparison
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Diet comparison
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Diet Comparison
Allosaurus
Carnivore
Allosaurus was a meat-eating predator, hunting other animals for food.
Sinosauropteryx
Carnivore
Sinosauropteryx was a meat-eating predator, hunting other animals for food.
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Classification comparison
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Classification Comparison
Both dinosaurs share a common ancestor within the Theropoda clade.
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Key differences (from DinoComparison model)
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Did You Know? fun facts
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Did You Know?
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Allosaurus was about 9.7x longer than Sinosauropteryx.
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Allosaurus weighed roughly 3833x more than Sinosauropteryx.
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Both Allosaurus and Sinosauropteryx were carnivores.
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Allosaurus lived during the Jurassic Late while Sinosauropteryx lived during the Cretaceous Early, separated by roughly 0 million years.
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Allosaurus was discovered 119 years earlier, in 1877.
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Both belong to the Theropoda 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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