Gorgosaurus Fossil - Search
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  1. EtymologyDreadful lizard
    SpeciesG. libratus
    SynonymsSee text
    LocationNorth America
     The Cretaceous King of the Forest
    The Cretaceous King of the Forest
    Imagine living in a world where a 9-meter-long, 3-tonne predator with massive jaws and razor-sharp teeth was roaming the land. This was the reality for many animals that shared the same habitat as the Gorgosaurus, a tyrannosaurid dinosaur that lived in western North America 76 to 75 million years ago.
    Overview

    Gorgosaurus is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period (Campanian), between about 76.5 and 75 million years ago. Fossil remains have been found in the … See more

    Discovery and naming

    Gorgosaurus libratus was first described by Lawrence Lambe in 1914. Its name is derived from the Greek γοργος (gorgos – "fierce" or "terrible") and σαυρος (saurus – "lizard"). The type species is G. libratus; the specific epit… See more

    Description

    Gorgosaurus was smaller than Tyrannosaurus or Tarbosaurus, close in size to Albertosaurus. Adults reached 8 to 9 m (26 to 30 ft) in length from snout to tail, and weighed 2–3 metric tons (2.2–3.3 short tons) in bo… See more

    Classification and systematics

    Gorgosaurus is classified in the theropod subfamily Albertosaurinae within the family Tyrannosauridae. It is most closely related to the slightly younger Albertosaurus. These are the only two definite albertosaur… See more

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