Yet Giganotosaurus carolinii is always getting compared to the world's most popular dinosaur, the beloved and well-known Tyrannosaurus rex, both vying for the position of the largest carnivorous ...

rex. Unique feature: Its long crocodilian snout and sail-like structure on its back made it a striking predator, distinct from the bulkier T. rex. Giganotosaurus ... less robust skull than T.