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This list of the prehistoric life of Ohio contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Ohio. Precambrian [ edit ]
During the late Mississippian Ohio was covered by a shallow sea. Near the end of the Mississippian the seas withdrew from the state. Ohio was located near the equator. The fossil record of Ohio includes greater numbers of land plants, brachiopods, clams, crinoids, fishes. [4] Ohio was a low-lying swampy plain near the coast during the ...
This list of the Paleozoic life of Ohio contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Ohio and are between 538.8 and 252.17 million years of age.
Ohio's State Invertebrate Fossil, is a trilobite found in the formation. The Southern Hemisphere where Ohio was located at the end of the Ordovician experienced a widespread glaciation, around 438 million years ago. Sea level dropped due to the glaciation, accompanied by a subsidence of the land.
Fossil collecting – Collecting fossils to study, collect or sell; Fossil park; Jurassic Coast – World Heritage Site on the coast of southern England; Lagerstätte – Sedimentary deposit with well-preserved extraordinary fossils; Lists of dinosaur-bearing stratigraphic units; List of fossil parks around the world; List of fossil parks in India
The Late Cenozoic Ice Age falls within the Cenozoic Era which started 66 million years ago. The Cenozoic Era is part of the Phanerozoic Eon which started ~538.8 million years ago. ^ a b In standard nomenclature the Pleistocene Epoch lasts from 2.58 Ma to 11.7 ka and the Holocene epoch lasts from 11.7 ka to present.
Artist's depiction of the end-Cretaceous impact eventSince the 19th century, a significant amount of research has been conducted on the Cretaceous–Paleogene extinction event, the mass extinction that ended the dinosaur-dominated Mesozoic Era and set the stage for the Age of Mammals, or Cenozoic Era.
The Cenozoic is just as much the age of savannas, the age of co-dependent flowering plants and insects, and the age of birds. [40] Grasses also played a very important role in this era, shaping the evolution of the birds and mammals that fed on them. One group that diversified significantly in the Cenozoic as well were the snakes.
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