The Paleontology of the midwest

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The Jurassic in Illinois, US

map
 

See exposures in this state from the:
Quaternary
Tertiary
Cretaceous
Jurassic
Triassic
Permian
Carboniferous
Devonian
Silurian
Ordovician
Cambrian
Precambrian

Jurassic Fossils
Fossil photos from Jurassic in Illinois

Paleontology and geology

There are no Jurassic rocks in Illinois, as most of the state was above sea level and exposed to erosion.

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Iowa State Map