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This list of the prehistoric life of Illinois contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of ...
This list of the Paleozoic life of Illinois contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Illinois and are between 538.8 and 252.17 million years of age.
The environment of Pennsylvanian Illinois was comparable to the modern Amazon River delta. [9] Almost every Pennsylvanian deposit in Illinois preserves evidence of this ancient flora and such deposits are located in almost every region of the state. [12] The vegetation of these ancient swamps became Illinois' modern coal deposits. [9] [11]
A map showing approximate areas of various Mississippian and related cultures. The Koster Site is located near the center of this map in the upper part of the Middle Mississippi area. The Koster Site is a prehistoric archaeological site located south of Eldred, Illinois. The site covers more than 3 acres and extends 30 feet down into the ...
Exceptional Fossil Preservation: A Unique View on the Evolution of Marine Life. Columbia University Press. pp. 185– 203. ISBN 978-0-231-10254-4. Charles W. Shabica; Andrew A. Hay, eds. (1997). Richardson's Guide to the Fossil Fauna of Mazon Creek. Northeastern Illinois University. ISBN 978-0-925065-21-6. Jack Wittry (2006).
Lake Chicago was a prehistoric proglacial lake that is the ancestor of what is now known as Lake Michigan, one of North America's five Great Lakes.Formed about 13,000 years ago and fed by retreating glaciers, it drained southwest through the Chicago Outlet River.
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The Hoxie Farm site (11Ck-4) is located on Thorn Creek in Thornton, Illinois Cook County Forest Preserve in Cook County, Illinois, near the city of Chicago. It is classified as a late prehistoric to Protohistoric/Early Historic site with Upper Mississippian Huber affiliation. [1]