HomeNature & BiologyTop 15 Extinct Giant Animals Ranking
Top 15Updated 2026年3月3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
RankAnimal NameEstimated Weight (tons)Era and Features
1
Argentinosaurus
90Late Cretaceous, one of the heaviest known dinosaurs
2
Puertasaurus
80Late Cretaceous, rare fossils but huge size
3
Alamosaurus
73End of Cretaceous, largest dinosaur in North America
4
4
Patagotitan
69Late Cretaceous, relatively complete fossils
5
5
Antarctosaurus
65Late Cretaceous, giant sauropod in Southern Hemisphere
6
6
Dreadnoughtus
59Late Cretaceous, relatively precise weight estimation
7
7
Livyatan melvillei
50Miocene, largest predatory mammal in history
8
8
Megalodon
50Miocene to Pliocene, largest fish in history
9
9
Shastasaurus
45Late Triassic, longest known marine reptile
10
10
Palaeoloxodon namadicus
22Pleistocene, one of largest land mammals ever
11
11
Paraceratherium
20Oligocene, tallest land mammal in history
12
12
Mosasaurus hoffmannii
15Late Cretaceous, top marine predator
13
13
Liopleurodon
15Late Jurassic, giant marine reptile
14
14
Deinotherium
12Miocene to Pleistocene, downward-curving tusks
15
15
Basilosaurus
10Eocene, representative of early giant whales

List Stats

Views1
Items15
CategoryNature & Biology