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Richardson's Guide to the Fossil Fauna of Mazon Creek. Northeastern Illinois University. ISBN 978-0-925065-21-6. Jack Wittry (2006). The Mazon Creek Fossil Flora. Esconi. ISBN 978-1-932433-71-5. Jack Wittry (2012). The Mazon Creek Fossil Fauna. Esconi. ISBN 978-0578111483. Jack Wittry (2020). A Comprehensive Guide to the Fossil Flora of Mazon ...
No Precambrian fossils are known from Illinois. As such, the state's fossil record does not begin until the Paleozoic. [2] Illinois was covered by a sea during the Paleozoic. Over time this sea would be inhabited by animals like brachiopods, clams, corals, crinoids, snails, sponges, trilobites.
This article contains a list of fossil-bearing stratigraphic units in the state of Illinois, U.S. Sites. Group or Formation ... Galena Dolomite: Ordovician: Dubuque ...
The Driftless Area, also known as Bluff Country and the Paleozoic Plateau, is a topographic and cultural region in the Midwestern United States [1] that comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois. The Driftless Area is a USDA Level III Ecoregion: Ecoregion 52.
Fossil Prairie Park: Devonian: North America: US: Iowa: Mazon Creek: Francis Creek Shale: Carboniferous (Pennsylvanian) North America: US: Illinois [Note 1] Ghost Ranch: Triassic: North America: US: New Mexico: Non-Avian Dinosaurs [Note 1] Hagerman Fossil Beds National Monument: Glenns Ferry Formation: Pliocene/Pleistocene: North America: US: Idaho
Location; Region Illinois: ... The Galena Dolomite is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period.
Life restoration of the Permian snake-like amphibian Lysorophus showing speculative egg-coiling behavior †Lysorophus – type locality for genus †Marsupiocrinus †Meristina †Metacoceras †Milosaurus – type locality for genus †Monograptus †Monograptus dubius †Murchisonia †Naticopsis †Naticopsis carleyana †Naticopsis planifrons
The Dubuque Formation is a geologic formation in Illinois, Iowa, Wisconsin and Minnesota. It preserves fossils dating back to the Ordovician period . See also