Giganotosaurus juveniles lived in packs and quickly grew up to be dangerous hunters.
Giganotosaurus juveniles lived in packs and quickly grew up to be dangerous hunters. Giganotosauruses grew to be almost as large as the biggest carnivore in the history of the earth: the Spinosaurus. The name Giganotosaurus means giant lizard of the South, because this dinosaur was found in Argentina in South America.
With moveable lower jaw!
