Top 15Updated 2026年3月12日
Top 15 Extinct Giant Animals Ranking
This ranking is based on recognized weight estimation data from the global paleontological community, systematically collecting giant animals extinct from prehistoric eras to recent history. It comprehensively covers dinosaurs, marine reptiles, and prehistoric mammals, showcasing the grand scale and amazing diversity of Earth's life evolution throughout geological time. Please note that all weight data are scientific estimates and for reference only.
Current #1
Argentinosaurus
| Rank | Animal Name | Estimated Weight (tons) | Era and Features |
|---|---|---|---|
Argentinosaurus | 90 | Late Cretaceous, one of the heaviest known dinosaurs | |
Puertasaurus | 80 | Late Cretaceous, rare fossils but huge size | |
Alamosaurus | 73 | End of Cretaceous, largest dinosaur in North America | |
| 4 | Patagotitan | 69 | Late Cretaceous, relatively complete fossils |
| 5 | Antarctosaurus | 65 | Late Cretaceous, giant sauropod in Southern Hemisphere |
| 6 | Dreadnoughtus | 59 | Late Cretaceous, relatively precise weight estimation |
| 7 | Livyatan melvillei | 50 | Miocene, largest predatory mammal in history |
| 8 | Megalodon | 50 | Miocene to Pliocene, largest fish in history |
| 9 | Shastasaurus | 45 | Late Triassic, longest known marine reptile |
| 10 | Palaeoloxodon namadicus | 22 | Pleistocene, one of largest land mammals ever |
| 11 | Paraceratherium | 20 | Oligocene, tallest land mammal in history |
| 12 | Mosasaurus hoffmannii | 15 | Late Cretaceous, top marine predator |
| 13 | Liopleurodon | 15 | Late Jurassic, giant marine reptile |
| 14 | Deinotherium | 12 | Miocene to Pleistocene, downward-curving tusks |
| 15 | Basilosaurus | 10 | Eocene, representative of early giant whales |
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CategoryNature & Biology
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