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About Argentinosaurus:
As you can guess from its name, the remains of Argentinosaurus were dug up in present-day Argentina, in South America. To date, researchers haven't found an entire skeleton, but what they have found--four-foot long vertebrae and five-foot-long tibias--indicate that Argentinosaurus was a truly titanic sauropod (hence its classification as a "titanosaur"). See more facts, figures and news about Argentinosaurus
Interestingly, the remains of Argentinosaurus were dug up near the fossils of another huge dinosaur--the carnivorous Giganotosaurus. This has led paleontologists (and TV producers) to speculate that Giganotosauruses may have hunted Argentinosauruses in packs--a chase that would have been deadly for any smaller creatures that got in the way!
