Giganotosaurus (meaning 'giant southern lizar', derived from the Ancient Greek gigas/γιγας meaning 'giant', notos/νοτος meaning 'south wind' and saurus/σαυρος meaning 'lizard') is a genus of carcharodontosaurid dinosaur that lived 93 to 89 million years ago during the Turonian stage of the Late Cretaceous Period. It is one of the largest known terrestrial carnivores, slightly larger than Tyrannosaurus, but smaller than Spinosaurus. Its fossils have been found in Argentina.