"One of the largest known terrestrial carnivores, Giganotosaurus has been estimated to have been 12-13 meters long. There is debate over whether Giganotosaurus may have been larger than Tyrannosaurus Rex, but it is known that it was an apex predator in the regions where it resided."
Giganotothermy (Speed Path)
"Giganotosaurus is believed to have been at least partially warm-blooded, having a metabolism somewhere between that of a reptile and mammal. This would have made it a dangerous hunter, maintaining high levels of energy despite its large size."
Jaw Articulation (Payout Path)