Utah

Utah's State Fossil: Allosaurus By: Jeremy Rodriguez
 * 1) State and State Fossil
 * The state of Utah's state fossil is the dinosaur that lived many years ago: the Allosaurus also known as Allosaurus fragilis.

2. Description of the Organism
 * The Allosaurus looks quite a bit like its cousin the T-Rex however this dinosaur has small horns around its eyes near the tip of its long head which makes it look different then most dinosaurs.
 * Besides the horns the Allosaurus looks a lot like the T- Rex with its large head relatively short neck and its smallarms.
 * A common Allosaurus weighs about 4 tons and is extremly slow.
 * Also like the T- Rex the Allosaurus has extremly large claws on its strong hind legs.

3. Exsistance Period
 * The Jarassic period lasted from 199-145 million years ago.
 * The Allosaurus was said to live during 155-150 million years ago.
 * The Jarassic period was said to be a great period of large amounts of vegitation capable of supporting many species at once.

4. Preservation


 * The Allosaurus was preserved in layers of rock which had to be excavated by humans.
 * Over time some bones were chipped or broken entirely from mistreatment.
 * Once the bones were excavated they were preserved by being placed together, under ideal conditions, and displayed at museums worldwide.

5. Reasoning and Findings media type="custom" key="13522138"media type="custom" key="13522144" 6. Sources (Fun Facts Underneath) (n.d.). Retrieved from Utah State Library website: []
 * The first person to find a full Allosaurus fossil is Ferinand Hayden
 * In terms of finding it as the state fossil, it was founded by a commite and the state who made it the state fossil in 1988
 * It was made the state fossil because of the fact that more Allosaurus fossils were found in places in Utah then any other dinosaur.

//Rareresource.com//. (2011). Retrieved from []

Inc., P. (n.d.). //Jurassic landscape//. [0]. Retrieved from []

//About.com//. (2011). Retrieved from []

Video Links

[]

[]

Picture Links []

[]

[]
 * Fun Facts about Allosaurus' ||
 * 1. Allosaurus' used to be called Antrodemus ||
 * 2. Common prey included the Stegosaurus ||
 * 3. Allosaurus' usually lived for 25 years ||
 * 4. Big Al is the most famous Allosaurus ||
 * 5. Allosaurus' are said to be closely related to a T- Rex ||