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Temporal range: Late Cretaceous (97-94 Mya)
Dino-large large large.png
A restoration of Argentinosaurus huinculensis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Order: Saurischia
Suborder: Sauropodomorpha
Family: Antarctosauridae
Genus: Argentinosaurus
Bonaparte & Coria, 1993
Species: A. huinculensis
Binomial name
Argentinosaurus huinculensis
Bonaparte & Coria, 1993
Ph Dinosaurs 004
Argentinosaurus was a large sauropod dinosaur that lived in Argentina during the Upper Cretaceous. It was considered to be the largest known dinosaur of all time; recently however, three larger dinosaurs, Bruhathkayosaurus and an unnamed patagonian titanosaur known as chubut monster and Amphicoelias, have been discovered (well Amphicoelias had already been discovered but the bone wasn't preserved well so it soon crumbled and was lost). But it is known as the largest sauropod to scientists because there is less proof that these dinosaurs ever existed. It was originally discovered when a farmer found its thighbone around his crops. He thought it was petrified wood and brought it to scientists and they quickly found that it was in fact the femur of a very large sauropod dinosaur. It was named in 1993.


Argentinosaurus had been estimated to be about 30–32.5 meters long and 75–87.5 tonnes in weight when fully grown. Like all sauropods, it probably ate the leaves off the tops of conifers. It was a titanosaur, some of the biggest animals to have ever walked on land, and grew to that size to protect itself from predators like Giganotosaurus, Mapusaurus, and possibly Tyrannotitan as well. It had along, horizontal tail meant for balance or protection, and an extended, sturdy neck, good for reaching high into trees. When needed, Argentinosaurus could most likely stand up on its hind legs and use its tail for an extra balance. It had four thick, strong legs designed for
220px-Argentinosaurus DSC 2943
  holding its intense weight up instead of moving fast. But then again, why would it need to be fast? It was big and strong enough to keep nearly any predator away. It also most likely travelled in herds from place to place, finding where
Argentinosaurus hunt

A pack of Giganotosaurus attacking an Argentinosaurus

the best possible food areas are after they've stripped the last area down. It was also one of the last sauropods to have lived, and may have shared its environment with another, smaller sauropod called Amargasaurus.

In Popular CultureEdit

Argentinosaurus was featured in a Walking with Dinosaurs special, Land of Giants, where Nigel Marvin tries to find them and see how they lived and survived from predators like Giganotosaurus. They were also in the BBC documentary Planet Dinosaur, where a herd of them is attacked by a pack of Mapusaurus. It was a main character in the IMAX movie, Dinosaurs, Giants of Patagonia. It also appears in Jurassic World: The Game as a common dinosaur.

10 MainImage

Giants of Patagonia Argentinosaurus




Chased by Dinosaurs

Dinosaurs, Giants of Patagonia

Planet Dinosaur

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