Argentinosaurus is a genus of giant sauropod dinosaur that lived during the Late Cretaceous period in what is now Argentina.

What era did the Argentinosaurus live in?

The largest land animal ever found, Argentinosaurus evolved in the Cretaceous Period and belongs to a family that originated in the southern continents of Gondwana (an ancient supercontinent).

When did the Argentinosaurus become extinct?

Large dinosaurs first appeared about 228 million years ago during the Triassic period and grew bigger during the ensuing Jurassic period, then disappeared at the end of the Cretaceous period about 65 million years ago.