Apatosaurus vs Brachiosaurus
A detailed side-by-side comparison of Apatosaurus and Brachiosaurus, covering size, diet, classification, geologic period, and discovery history.
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Side-by-side comparison table
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ #}
Side-by-Side Comparison
| Property |
Apatosaurus |
Brachiosaurus |
| Scientific Name |
Apatosaurus ajax |
Brachiosaurus altithorax |
| Classification |
Sauropoda |
Sauropoda |
| Period |
Jurassic Late |
Jurassic Late |
| Diet |
Herbivore |
Herbivore |
| Length |
22.0 m |
26.0 m |
| Height |
4.5 m |
13.0 m |
| Weight |
22.7 t |
56.0 t |
| Discovery Year |
1877 |
1903 |
| Discovery Location |
Morrison Formation, Colorado, USA |
Grand River Valley, Colorado, USA |
| Named By |
Othniel Charles Marsh |
Elmer S. Riggs |
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Visual size comparison
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Size Comparison
Apatosaurus
22.0 m
about as long as 4 cars end-to-end
Brachiosaurus
26.0 m
about as long as 5 cars end-to-end
Weight Comparison
Apatosaurus
22.7 t
about the weight of 3.8 elephants
Brachiosaurus
56.0 t
heavier than 9 African elephants
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Timeline comparison
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Timeline Comparison
Apatosaurus and Brachiosaurus both lived during the Jurassic Late period and may have shared the same habitats.
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Diet comparison
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ #}
Diet Comparison
Apatosaurus
Herbivore
Apatosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.
Brachiosaurus
Herbivore
Brachiosaurus 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 Sauropoda 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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Brachiosaurus weighed roughly 2x more than Apatosaurus.
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Both Apatosaurus and Brachiosaurus were herbivores.
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Both dinosaurs lived during the Jurassic Late period and may have coexisted.
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Apatosaurus was discovered 26 years earlier, in 1877.
💡
Both belong to the Sauropoda 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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