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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 ...
Fossils are common from the Ordovician through the Pennsylvanian. Illinois has a reputation for rocks bearing large numbers of trilobite fossils, often of very high preservational quality. [1] There is a gap in Illinois' geologic record from the Mesozoic to the Pleistocene. During the Ice Age, Illinois was subject to glacial activity.
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
This article contains a list of fossil-bearing stratigraphic units in the state of Illinois, U.S. Sites. Group or Formation ... Tar Springs Formation: Carboniferous:
It does not contain many fossils, although large trilobites and large cephalopods are known from Elmer-Lason Quarry. It is typically 75 to 100 feet thick. It is typically 75 to 100 feet thick. It is the only formation of the Maquoketa Group that is not exposed in northeastern Illinois.
Florissant Fossil Beds: Florissant Formation: Eocene (Priabonian) North America: US: Colorado: Insects: 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 ...
[3] Landmark name Image Location County Culture Comments; 1: Albany Mounds Site: Albany: Albany Mounds Trail 4]: Whiteside: Middle Woodland: Hopewell: 2: Alton Military Prison Site: Alton: inside the block bounded by Broadway and William, 4th, and Mill Sts. 5]: Madison: Euro-American: 3: Apple River Fort Site: Elizabeth: 0.25 miles east-southeast of the junction of Myrtle and Illinois Sts. 6 ...
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.