: Argentinosaurus huinculensis
Type of Dinosaur
: Sauropod (Titanosaur)
: Late Cretaceous Period
: Foliage (herbivorous)
: Up to 40 years
: 98 to 115 feet
: 88 to 110 tons
17 Argentinosaurus Facts for Kids
The Argentinosaurus was discovered in 1989, 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 was part of 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 live 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 5 mph.
Paleontologists estimate it took around 15 years for an Argentinosaurus to reach its full size.
Paleontologists estimate the egg of an Argentinosaurus was about the size of a beach ball.
More Dinosaur Facts
Dinosaur Extinction Facts
Mesozoic Era Facts
Tyrannosaurus Rex Facts
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.