Cryolophosaurus (meaning "frozen crested lizard") was a large theropod dinosaur, with a bizarre crest on its head that looked like a Spanish comb.It is the first carnivorous dinosaur to be discovered in Antarctica and the first dinosaur of any kind from the continent to be officially named. Dating from the Early Jurassic Period, it was originally described as the earliest known tetanuran.
A high, narrow skull was discovered, 65 centimeters (25 inches) long. The peculiar nasal crest runs just over the eyes, where it rises up perpendicular to the skull and fans out. It is furrowed, giving it a comb-like appearance. It is an extension of the skull bones, near the tear ducts, fused on either side to horns which rise from the eye sockets (orbital horns). Other carnivores like Monolophosaurus usually have crests that run along their skulls, while others, such as Ceratosaurus or Carnotaurus, have large horns sticking above their skulls. This is an example of a product tab.
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