Allosaurus vs Argentinosaurus
A detailed side-by-side comparison of Allosaurus and Argentinosaurus, 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 |
Argentinosaurus |
| Scientific Name |
Allosaurus fragilis |
Argentinosaurus huinculensis |
| Classification |
Theropoda |
Sauropoda |
| Period |
Jurassic Late |
Cretaceous Late |
| Diet |
Carnivore |
Herbivore |
| Length |
9.7 m |
35.0 m |
| Height |
3.5 m |
12.0 m |
| Weight |
2.3 t |
70.0 t |
| Discovery Year |
1877 |
1993 |
| Discovery Location |
Garden Park, Colorado, USA |
Neuquen Province, Argentina |
| Named By |
Othniel Charles Marsh |
Jose Bonaparte & Rodolfo Coria |
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Visual size comparison
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Size Comparison
Allosaurus
9.7 m
roughly the length of a large SUV
Argentinosaurus
35.0 m
as long as 3 school buses
Weight Comparison
Allosaurus
2.3 t
comparable to 2.3 small cars
Argentinosaurus
70.0 t
heavier than 12 African elephants
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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.
Argentinosaurus
Herbivore
Argentinosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
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Classification comparison
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Classification Comparison
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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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Argentinosaurus was about 3.6x longer than Allosaurus.
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Argentinosaurus weighed roughly 30x more than Allosaurus.
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Allosaurus was a carnivore while Argentinosaurus was a herbivore.
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Allosaurus lived during the Jurassic Late while Argentinosaurus lived during the Cretaceous Late, separated by roughly 44 million years.
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Allosaurus was discovered 116 years earlier, in 1877.
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Allosaurus belonged to Theropoda while Argentinosaurus belonged to Sauropoda.
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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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