Giganotosaurus is known from very fragmentary remains.

Taller and longer but slimmer than Tyrannosaurus rex, Giganotosaurus lived millions of years earlier and in South America not North America.

Giganotosaurus had 3 fingers on its hands, not 2 like T.rex. It may have hunted Argentinosaurus.

More Information

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Fact file

  • Pronounced: gig-an-OH-toe-SORE-us
  • Meaning of name: giant southern lizard
  • Length: 12.5m
  • Weight: 8000kg
  • Teeth: long, blade-like and serrated – ideal for slicing
  • Diet: carnivorous
  • Food: other animals
  • How it moved: on 2 legs
  • When it lived: Early Cretaceous
    (112 – 90 million years ago)
  • Found in: Argentina

Taxonomic details

  • Taxonomy: Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Carnosauria, Allosauroidea, Carcharodontosauridae, Giganotosaurus
  • Named by: Coria and Salgado (1995)
  • Type species: carolinii