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Dinosaur!

 
   
Dinosaur Jungle   >   Dinosaur Names   >   Ultrasaurus
Dinosaur Jungle   >   Dinosaur Types   >   Ultrasaurus

   

Ultrasaurus



dinosaur picture ultrasaurus


Scientific Classification
 
Arguably
nomen dubium
Some scientists consider this a nomen dubium - a scientific name of unknown or doubtful application
 
  Kingdom Animalia
  Phylum Chordata
  Class Sauropsida
  Superorder Dinosauria
  Order Saurischia
  Suborder Sauropodomorpha
  Infraorder Sauropoda
  Genus Ultrasaurus
Ultrasaurus was a massive plant-eater (herbivore) that lived in the late Cretaceous period, between about 110 and 100 million years ago, in what is today Korea.

Ultrasaurus was discovered by Haang Mook Kim in 1983. He named his discovery "Ultrasaurus" because he believed it was a relative of a dinosaur previously found by Jim Jensen in the US in 1979 (Jensen had used the name "Ultrasaurus" only unofficially at this point to describe his dinosaur). However, since Haang Mook Kim was officially the first to use the name "Ultrasaurus", this name could not be used for Jensen's dinosaur (Jensen's dinosaur was for a time known as "Ultrasauros" - note an "o" instead of the final "u" - but Ultrasauros later turned out to be a mix of Supersaurus and Brachiosaurus fossils).

Not too much is known about Ultrasaurus, because of the very limited number of fossils yet found. As a result, it is not known which Family it belongs to, and some argue that it is even possible that the fossils may simply be from a previously known species. As a result, Ultrasaurus is considered by some to be a "nomen dubium" (a scientific name of unknown or doubtful application).


   

Ultrasaurus Timeline:



Ultrasaurus was a herbivore (plant-eater) that lived from 110 to 100 million years ago

Ultrasaurus was a herbivore (plant-eater) that lived from 110 to 100 million years ago

Related Information & Resources


See Also

Ultrasaurus Facts

 
Here is a summary of some of the key facts about Ultrasaurus:
  1. Ultrasaurus was a genus of dinosaur. Ultrasaurus is considered by some to be a "nomen dubium" (a scientific name of unknown or doubtful application) - because only a few fossils have been found, and it is uncertain which Family to assign the animal to (it is even possible that the fossils may be from a previously known dinosaur).

  2. "Ultrasaurus" means "greater lizard".

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

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

  5. Ultrasaurus lived between about 110 million years ago and 100 million years ago, during the Cretaceous period.

  6. Ultrasaurus lived in Korea.

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

  8. Ultrasaurus was usually about 100 feet (30.5 meters) long.

  9. Ultrasaurus weighed about 60 tons.


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