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. Dimensions: 10 x 2.7 x 3.8 inches Item Number: 15017