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From about 248 to 1.6 million years ago Ohio was above sea level, so its rocks were eroded away rather than deposited. Dinosaurs probably lived in Ohio but there is no fossil record of their presence. [4] The ensuing Tertiary period of the Cenozoic era is also missing from the local rock record. [3]
Fossil of the Middle-Late Ordovician giant trilobite Isotelus. Life restoration of the Carboniferous-Permian amphibian Phlegethontia. Life restoration with a conifer-like body plan of the Silurian-Late Devonian tree-like probable fungus Prototaxites. John William Dawson (1888).
This is a list of U.S. state dinosaurs in the United States, including the District of Columbia.Many states also have dinosaurs as state fossils, or designate named avian dinosaurs (List of U.S. state birds), but this list only includes those that have been officially designated as "state dinosaurs".
Prehistory of Ohio provides an overview of the activities that occurred prior to Ohio's recorded history. The ancient hunters, Paleo-Indians (13000 B.C. to 7000 B.C.), descended from humans that crossed the Bering Strait. There is evidence of Paleo-Indians in Ohio, who were hunter-gatherers that ranged widely over land to hunt large game.
It is notable as being the most fertile single source of dinosaur fossils in the world. The roster of dinosaurs from the Morrison is impressive. Among the theropods, Allosaurus, Saurophaganax, Torvosaurus, Ceratosaurus, Coelurus, Ornitholestes, Tanycolagreus, Stokesosaurus, and Marshosaurus are found in the Morrison.
Possible teeth have been found in Alabama, North Carolina and South Carolina. Sauroposeidon. Lower Cretaceous. herbivore. A massive sauropod whose remains have been unearthed in Texas and Oklahoma. Teihivenator. Upper Cretaceous. carnivore. A dubious species of tyrannosaur that was unearthed in New Jersey.
Burning Tree Mastodon excavation (mid-December 1989), Burning Tree Golf Course, Heath, east-central Ohio, United States. The locality was the grounds of the Burning Tree Golf Course, southern side of Ridgley Tract Road, just west of Lake Drive, south side of Heath, southern Licking County, central Ohio, United States.
Sheriden Cave is a Paleo-Indian archaeological site from the late Ice age in Wyandot County, Ohio. [1] Glacial deposits sealed off the cave more than 10,000 years ago. Sheriden Cave is a karst sinkhole on a dolomite ridge that crosses Hancock and Wyandot Counties. It is associated with the Indian Trail Caverns that opened in 1927.