Camarasaurus Dinosaur Facts

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Dinosaur Jungle   >   Dinosaur Names   >   Camarasaurus
Dinosaur Jungle   >   Dinosaur Types   >   Camarasaurus



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Scientific Classification
  Kingdom Animalia
  Phylum Chordata
  Class Sauropsida
  Superorder Dinosauria
  Order Saurischia
  Suborder Sauropodomorpha
  Infraorder Sauropoda
  Family Camarasauridae
  Genus Camarasaurus
Camarasaurus was a giant herbivore (plant-eater) that lived in North America during the late Jurassic period, about 155 to 145 million years ago. Camarasaurus appears to have been very common during that period, and may have roamed in herds over the tropical plains that covered North America at that time.

Camarasaurus was about 59 feet (18 meters) long, and probably weighed about 20 tons.

Polished pebbles are often found in the same rocks as Camarasaurus fossils. It is possible that Camarasaurus, just like many modern birds do, may have swallowed rocks as an adding to grinding up tough plant food. It would then have later regurgitate the stones (and replace them with new ones), once the stones had been worn down, and were no longer useful as a digestive aid.

Fossilized Camasaurus eggs have been found. These were arranged in lines, rather than arranged in nest like some other dinosaur species', and hence it is believed that like most other Sauropods, that Camarasaurus did not tend its young.

The first Camarasaurus fossils were discovered in Colorado in 1877 by Oramel W. Lucas. Lucas sold the bones to Edward D. Cope, and named them in the same year.

The first full skeleton of Camasaurus was found in 1925 by Charles W. Gilmore. Although it was not realized at the time, this specimen was a young animal, and hence many contemporary illustrations show Camarasaurus much smaller than is now known to be the case.


Camarasaurus Timeline:

Camarasaurus was a herbivore (plant-eater) that lived from 155 to 145 million years ago

Camarasaurus was a herbivore (plant-eater) that lived from 155 to 145 million years ago

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Camarasaurus Facts

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

  2. "Camarasaurus" means "chambered lizard" (referring to holes in its vertebrae). This name was chosen by Edward D. Cope in 1877.

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

  4. Camarasaurus was a Sauropod - a member of a group of related large quadrupedal herbivorous (plant-eating) dinosaur with long necks.

  5. Camarasaurus lived between about 155 million years ago and 145 million years ago, during the Jurassic period.

  6. Camarasaurus lived in North America.

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

  8. Camarasaurus is thought to have swallowed stones which would have been used to help grind up tough plant material (some modern birds do the same thing). Fossils of these stones ("gastroliths") have been found in the same rocks as Camarasaurus.

  9. Camarasaurus was about 59 feet (18 meters) long.

  10. Camarasaurus weighed about 20 tons.

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