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More Dinosaur Fact Sheets
Gorgosaurus Fact Sheet
Dinosaur/Paleontology Dictionary
NAME: Meaning - Gorgosaurus means "Gorgon lizard" - Gorgons were three mythical Greek monsters (sisters) with snakes for hair - they turned people who looked at them to stone.
Pronounced - GOR-go-SAWR-us
Named By - Lawrence Lambe
When Named - 1914
DIET: Carnivore (meat-eater) - it ate plant-eating dinosaurs like Lambeosaurus, Centrosaurus, Corythosaurus, Edmontonia, Euoplocephalus, and Styracosaurus
SIZE: Length - 26-30 ft (8-9 m) long
Height - 9.3 ft (2.8 m) tall at the hips
Weight - 2.5 tons
WHEN IT LIVED: Late Cretaceous period, about 76 to 68 million years ago
WHERE IT LIVED: Fossils have been found in Alberta, Canada, North America.
FOSSILS: Over 20 partial skeletons have been found.
  • Kingdom Animalia (animals)
  • Phylum Chordata (having a hollow nerve chord ending in a brain)
  • Class Archosauria (diapsids with socket-set teeth, etc.)
  • Order Saurischia - lizard-hipped dinosaurs
  • Suborder Theropoda - bipedal carnivores
  • Tetanura - advanced theropods with three fingers
  • Infraorder Coelurosauria - lightly-built fast-running predators with hollow bones and large brains
  • Family Tyrannosauroidea
  • Genus Gorgosaurus
  • Species G. libratus (type species named by Lambe)
Gorgosaurus was a tyrannosaur - it was closely related to T. rex and Albertosaurus. Gorgosaurus, like T. rex, had huge jaws with large, sharp, cone-shaped teeth, powerful legs, tiny arms and two-fingered hands.

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