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Dinosaur Jungle   >   Dinosaur Names   >   Chasmosaurus
Dinosaur Jungle   >   Dinosaur Types   >   Chasmosaurus



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Scientific Classification
  Kingdom Animalia
  Phylum Chordata
  Class Sauropsida
  Superorder Dinosauria
  Order Ornithischia
  Suborder Cerapoda
  (unranked) Marginocephalia
  Infraorder Ceratopsia
  Family Ceratopsidae
  Subfamily Ceratopsinae
  Genus Chasmosaurus
Chasmosaurus was a herbivore (plant-eater) that lived in the late Cretaceous period, betweenabout 76 million and 70 million years ago,

Chasmosaurus was about 16 to 20 feet (5 to 6 meters) long, and weighed roughly 4 tons. A specimen found by Charles H. Sternberg in 1913, even includes some fossilized skin impressions - and from these it is believed that Chasmosaurus had rows of bony knobs (osteoderms) in parts of its skin.

When Chasmosaurus was first discovered in 1898 by Lawrence Lambe, it was initially believed to be a new species of Monoclonius. It was only after further fossils were found in 1913 and 1914, that it was realized that it was a separate genus. Additionally, when Agujiaceratops was discovered in 1938, it was believed to be a species of Chasmosaurus, and it was only when further Agujiaceratops fossils were found in 1991, that Agujiaceratops was placed in a separate genus from Chasmosaurus.


Chasmosaurus Timeline:

Chasmosaurus was a herbivore (plant-eater) that lived from 76 to 70 million years ago

Chasmosaurus was a herbivore (plant-eater) that lived from 76 to 70 million years ago

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Chasmosaurus Facts

Here is a summary of some of the key facts about Chasmosaurus:
  1. Chasmosaurus was a genus of dinosaur.

  2. "Chasmosaurus" means "opening lizard" (referring to the openings in its neck frill).

  3. Chasmosaurus was a member of the Ornithischia ("bird-hipped") order of dinosaurs. What this means, is that although Chasmosaurus was not closely related to birds, it did have similarly shaped pelvic bones.

  4. Chasmosaurus was a Ceratopsian - a member of a group of related herbivorous (plant-eating) dinosaurs with beaks, many of which had neck frills and horns as well.

  5. Chasmosaurus lived between about 76 million years ago and 70 million years ago, during the late Cretaceous period.

  6. Chasmosaurus lived in North America.

  7. Chasmosaurus was a herbivore (plant-eater).

  8. Chasmosaurus was about 16 to 20 feet (5 to 6 meters) long.

  9. Chasmosaurus weighed about 4 tons.

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