Ceratosaurus Size

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Ceratosaurus Size

It can be difficult to estimate the size and weight of any extinct animal such as Ceratosaurus, particularly when relatively few fossils specimens have been found (as is the case with Ceratosaurus).

The reasons why this may be the case include:
  1. If we only have a few fossils, we don't know whether they fairly represent typical animals (indeed in the case of supposed Ceratosaurus fossils, some are now widely thought to belong to completely different animals).

  2. Fossil specimens are often incomplete.

  3. There can be some doubt about how to reassemble fossil skeletions (indeed in the case of Ceratosaurus, Othniel C. Marsh - who discovered, named, and first described the animal - produced what is believed to be an inaccurate reconstruction).

    Ceratosaurus reconstruction by Othniel C. Marsh, 1896
    (Note: Incorrect upright posture and pronated hands):
    Incorrect Ceratosaurus reconstruction by Othniel C. Marsh, 1896 - Note: upright posture and pronated hands

  4. Fossils usually preserve only bones, horns, and teeth - at most - so estimates of muscle and other soft-flesh are often speculative.
With these caveats, we can offer these estimates for an adult Ceratosaurus:
  • An adult Ceratosaurus would probably have been between 15 and 20 feet (4.5 to 6 meters) long.

  • An adult Ceratosaurus would weighed about 1 ton.
Approximate size of Ceratosaurus:
Approximate size of Ceratosaurus

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