Question: is a giganotosaurus a real dinosaur?
Answer: There is only one known species of the dinosaur: Giganotosaurus carolinii. It lived from 99.6 to 97 million years ago, during the early Cenomanian stage of the Late Cretaceous Period, or about about 30 million years before T. rex. ... Giganotosaurus walked upright on two large and powerful legs.