Giganotosaurus is thought to have been one of the largest theropod dinosaurs. However, the incompleteness of its remains has made it hard to estimate its true size and reliably. It is impossible to determine with absolute certainty whether it was larger than the T-Rex or smaller. Different si...
Today, Giganotosaurus is believed to have been slightly larger than T. rex, though even Giganotosaurus ranks behind Spinosaurus in size among the meat-eating dinosaurs.Giganotosaurus should not be confused with Gigantosaurus, a lesser-known sauropod discovered in England....
Giganotosaurus would also probably have a better chance against a T-Rex than Spinosaurus would. The creature's slightly larger size and comparable body type would have helped, but it still would have likely fallen short before the Tyrannosaurus. T-Rex was still comparable in size, and its pre...