The Argentinosaurus is believed to have been the largest dinosaur that ever lived. It was a sauropod, and lived in South America during the late Cretaceous period. It was estimated to be between 30 and 40 meters long, and weighed up to 100 tons.
The biggest dinosaur known to date is the Argentinosaurus, which lived approximately 94-97 million years ago during the Late Cretaceous Period. It is estimated to have been around 98 feet long and weighed up to 100 tons. This massive herbivore was discovered in Argentina in 1987.
