- Species Type: Argentinosaurus huinculensis
- Type of Dinosaur: Sauropod (Titanosaur)
- Period: Late Cretaceous Period
- Diet: Foliage (herbivorous)
- Life Span: Up to 40 years
- Length: Between 98 and 115 feet
- Weight: Between 88 and 110 tons
19 Argentinosaurus Facts for Kids
- The Argentinosaurus was discovered in 1987, by a rancher named Guillermo Heredia in the Province of Neuquén in Argentina.
- The Argentinosaurus got its scientific name Argentinosaurus huinculensis in 1993 from José F. Bonaparte and Rodolfo Coria.
- The name Argentinosaurus means: “Argentine lizard”.
- The name Argentinosaurus is pronounced: “AHR-gen-TEEN-uh-SAWR-us”.
- The Argentinosaurus belongs to a group of dinosaurs known as Sauropds (Titanosaur).
- They lived in the Late Cretaceous Period between 93.5 and 97 million years ago.
- Estimates put the average weight of an Argentinosaurus between 88 and 110 tons.
- Estimates put the average length of an Argentinosaurus between 95 and 115 feet.
- The length of a Argentinosaurus is almost the same size as the width of an American football field.
- The Argentinosaurus was a herbivore.
- The Argentinosaurus is one of the largest known dinosaurs to ever exist.
- The Argentinosaurus is one of the largest known animals, both living and extinct, to ever walk on our planet.
- The Argentinosaurus lived in South America, on what was then the island continent of South America.
- Guillermo Heredia, the rancher who discovered the Argentinosaurus, initially thought the leg was a very large chunk of petrified wood.
- The right fibula (lower leg bone) recovered from Guillermo’s discovery was 61 inches in length.
- A musculoskeletal analysis, along with computer simulations, puts the top speed of an Argentinosaurus around five miles per hour.
- Paleontologists estimate it took around 15 years for an Argentinosaurus to reach its full adult size.
- Paleontologists believe the Argentinosaurus laid up to 15 eggs.
- Paleontologists estimate the egg of an Argentinosaurus was about the size of a beach ball.
A picture of an Argentinosaurus museum exhibit.
Credit: Extinct Animals
A close-up picture of an Argentinosaurus’s Skull.
Credit: Extinct Animals
A diagram comparing a human to the Argentinosaurus.
Credit: Gamma 124 / Wikpedia
Additional Resources on Argentinosaurus
- Argentinosaurus – Wikipedia – Discover more facts about Argentinosaurus on Wikipedia.
- Argentinosaurus – Natural History Museum in London – Find more Argentinosaurus facts for kids on the Natural History Museum in London’s website.
- Argentinosaurus – BBC Earth – Learn more about the Argentinosaurus dinosaur on the BBC Earth’s website.