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USA (national)

Utah State Fossil:

Allosaurus fossil - click to see all state dinosaurs
Allosaurus fossil photo © Mark Ryan on Flickr -
noncommercial use permitted with attribution / no derivative works.
See All State Fossils & Dinosaurs.

Allosaurus

See allosaurus video below

Utah designated allosaurus as the official state fossil in 1988. Living 145 to 150 million years ago in Utah, Wyoming, Montana, Colorado, New Mexico, South Dakota, and Oklahoma, allosaurus was the most common large carnivore of the Late Jurassic period in North America (a predecessor of the larger Tyrannosaurus of the Cretaceous).

Allosaurus fossil in Wyoming - click to see all state fossils
"Big Al" Allosaurus fossil from the University of Wyoming Geological Museum- photo © Mark Ryan on Flickr - noncommercial use permitted with attribution / no derivative works.
See All State Fossils & Dinosaurs.

Many Allosaurus fossils have been found in the Rocky Mountain west. Weighing 1.5 - 2 tons as an adult and measuring 30 - 40 feet long, allosaurus possibly hunted in packs to bring down large prey.

Source:
Allosaurus - University of Wyoming Geological Museum
Links:
All State Fossils & Dinosaurs


    

 

Utah Symbols & Icons:

bird - animal
insect - fish
flower - grass
fruit - veg 1 - 2
tree - soil
fossil - mineral
gem - rock

flag - seal - quarter
motto - emblem
name - nickname
song 1 - 2 - dance
tartan - museum
astronomical - star
cooking pot
 

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