Ceratosaurus

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Learn more about Ceratosaurus

Quick Facts
NameCeratosaurus
Diet
Weight980 kilograms
Length6 meters
Height4 meters
Period
Ceratosaurus
Human

Ceratosaurus was a predatory dinosaur that lived in the Late Jurassic period some 153 to 148 million years ago. 

Ceratosaurus was related to the birds that represented the earliest classes of theropod dinosaurs. This primitive predator was characterized by its hollow bones and pronounced S-shaped necks. It had a row of bony plates or armor called osteoderms running down its spine. On its head, it had a horn on top and forward-facing eyes.

It had a nasal "horn", which helped newly hatched dinosaurs hatch from their eggs or was used for non-lethal fights between males. 

Ceratosaurus skeletons had been discovered in Utah and Colorado. The teeth are sometimes found scattered near the skeletons of lungfish skeletons that lurk beneath Jurassic rivers like crocodiles. It had a nasty jaw, full of very sharp, blade-like teeth designed to cut and crush bones and all that fun stuff. This large and fearsome carnivore grew from 15 to 19 feet long, about 4.6 to 6 meters long, and weighed about a ton.

Ceratosaurus walked on two powerful legs; it had a strong, broad, flexible tail that helped it swim. This would make it a good swimmer.

How fast can a ceratosaurus run?

The Ceratosaurus can run up to 20 to 30 miles per hour...

In what environment did the ceratosaurus live?

Ceratosaurus lived in a semi-arid environment with distinct wet and dry seasons, and was sometimes found lurking near rivers to hunt.

Did ceratosaurs live in groups?

Yes, Ceratosaurus was a primitive predator and usually went after smaller or larger herbivores. They had the ability to go alone, in pairs or in groups. 

What does the name ceratosaurus mean?

 Ceratosaurus comes from the Greek word keras keratos meaning "horn" and σαῦρος sauros meaning "lizard".

What does a ceratosaurus look like?

Ceratosaurus had deep jaws, very long, blade-like teeth that could tear flesh, a crest-like horn on the midline of the snout, and a pair of horns over the eyes used for incubating eggs or for fighting. It had short forelimbs, and had four fingers on the hand.

Where did they live?

When did they live?

What was your diet?

Who discovered them?

What kind of dinosaurs are they?

What type of species are they?

  • Gregory S. Paul:. The Princeton Field Guide to Dinosaurs, 2010 [1] [2]
  • Virginia Schomp:. "Description the physical and behavioral characteristics of Ceratosaurus and other horned meat eaters" - Provided by publisher.S. pages 12-14 [3]
  • This section is also known as Incisor bone.
  • David B. Weishampel, Peter Dodson, Halszka Osmólska: "When The Dinosauria book was first published more than a decade ago, it was hailed as "the best scholarly reference work available on dinosaurs" and "a historically unprecedented compendium of information."pages 47 - 94 [4]
  • Thom Holmes: "The Middle and Late Jurassic saw the largest land animals to have walked the Earth - the sauropods. Dinosaurs are believed to have been active, energetic creatures using a variety of methods to maintain a constant body temperature. This fully illustrated book examines the scientific view of dinosaurs as living creatures.pages 41, 42 and 88-90. [5]
geological time 3

Fun Facts

  • Ceratosaurus is a primitive predator that had a bony plate called an osteoderm that ran down the animal's spine.
  • The Ceratosaurus' tail helped them swim and they were often found lurking in rivers.
  • Ceratosaurus had a nasal horn that was a useful weapon for offense and defense.
  • Ceratosaurus had a terrifying mouth with unusually long teeth. 
  • Ceratosaurus was bipedal or walked on two very powerful legs.

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