giganotosaurus skeleton

america animal argentina background big bones carcharodontosaurid carnivorous carnosaur carolini carolinii cenomanian cretaceous dinosaur enormous extinct fossil giant giganotosaurinae giganotosaurus gigantic grand huge isolated isolation jurassic late monster nature one paleobiology paleontology patagonia period powerful predator prehistoric replica reptile rex science size skeleton skull south stage trex theropoda tyrannosaurus white