Giganotosaurus carolinii

The Giganotosaurus, a colossal theropod that roamed the southern continents of what is now South America during the late Cretaceous period, was an apex predator of staggering proportions, measuring up to 40 feet in length and weighing as much as 8 tons, with a skull nearly 3 feet long, sharp serrated teeth capable of slicing through flesh and bone, and powerful hind limbs that allowed it to chase down prey such as large sauropods, while its relatively long arms, although less robust compared to other theropods like the T. rex, still featured sharp claws that may have been used in pinning or dismembering prey; this formidable hunter likely navigated a landscape of lush forests and open plains, employing a combination of speed, strength, and strategy to dominate its ecosystem, all while facing challenges from other carnivores like the Carcharodontosaurus and dealing with the changing climates and environments of the Cretaceous.