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Antarctosaurus

Restoration of Spinosaurus, a large sail-backed predatory dinosaur
Photo: Brondon Bobah, CC BY 4.0, via Wikimedia Commons
Pronunciation
ant-ARK-tuh-SAWR-us
Name means
Southern Lizard
Diet
Herbivore
Posture
Quadrupedal
Period
Late Cretaceous
Length
59 feet (18 meters)
Height
20 feet (6.1 meters)
Weight
80,026 -100,000 lbs (36,300 - 45,360 kg)

Order: Saurischia · Suborder: Sauropodomorpha · Infraorder: Sauropoda · Family: Titanosauridae

Found in both India and South America, Antarctosaurus is the largestdinosaur known to have lived in the Southern Hemisphere. It is also oneof the few sauropods whose skull exists.

Mounted Apatosaurus skeleton, a massive long-necked sauropod
Photo: MCDinosaurhunter, CC BY-SA 3.0, via Wikimedia Commons

More Cretaceous-period dinosaurs →

Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.

Frequently asked questions

What does Antarctosaurus mean?

The name Antarctosaurus means “Southern Lizard”. It is pronounced ant-ARK-tuh-SAWR-us.

When did Antarctosaurus live?

Antarctosaurus lived during the Late Cretaceous.

Was Antarctosaurus a carnivore or a herbivore?

Antarctosaurus was a herbivore.

How big was Antarctosaurus?

Antarctosaurus was about 59 feet (18 meters) long, around 20 feet (6.1 meters) tall, weighing up to 80,026 -100,000 lbs (36,300 - 45,360 kg).

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Other dinosaurs from the Titanosauridae family.

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