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This list of the Paleozoic life of Wisconsin contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wisconsin and are between 538.8 and 252.17 million years of age.
They were also the first fossil reefs in North America to be properly recognized as such. Hall set out to formally describe the fossils of the reef, and found them to be among the most diverse of the period on the entire continent. [5] Lapham died in 1875 and most of his fossils and mineral specimens were sold to the University of Wisconsin.
Fossil of the Silurian-Carboniferous crinoid ("sea lily") Periechocrinus †Periechocrinus †Phragmolites †Plaesiomys †Plagiostomoceras †Planolites †Platyceras †Platystrophia †Plectodonta †Pleurodictyum; Pleurotomaria †Polygrammoceras †Proetus †Sactorthoceras; Fossil of the Cambrian-Ordovician trilobite Saukiella ...
Group or Formation Period Notes Black River Group/Platteville Formation: Ordovician: Black River Group/Platteville Limestone: Ordovician: Brandon Bridge Formation: Silurian: Byron Formation
The quarry is known for Cambrian fossils that have been discovered since its founding. The most prominent fossils found at the quarry are scyphozoan medusae (true jellyfish) ranging in diameter from 50 to 70 centimeters, the largest jellyfish in the fossil record; these were initially discovered in 1998 by Dan Damrow, who published with paleontologist James Hagadorn.
A massive jawbone found by a father-daughter fossil-collecting duo on a beach in Somerset along the English coast belonged to a newfound species that’s likely the largest known marine reptile to ...
This is a list of National Historic Landmarks in the U.S. state of Wisconsin. National Historic Landmarks are designated by the U.S. National Park Service, which recognizes buildings, structures, districts, objects, and sites which satisfy certain criteria for historic significance. There are 45 National Historic Landmarks in Wisconsin.
A fossil jawbone found by a British girl and her father on a beach in Somerset, England belongs to a gigantic marine reptile dating to 202 million years ago that appears to have been among the ...