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Restoration showing the top (left) and underside of the Late Ordovician trilobite Triarthrus. † Triarthrus. † Triarthrus eatoni. † Triendoceras – tentative report. † Trocholites. † Ulrichicrinus. † Whiteavesia. † Worthenia. † Zadelsdorfia – tentative report.
List of the Paleozoic life of Kentucky. This list of the Paleozoic life of Kentucky contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Kentucky and are between 538.8 and 252.17 million years of age.
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".
This is a list of dinosaurs whose remains have been recovered from Appalachia. During the Late Cretaceous period, the Western Interior Seaway divided the continent of North America into two landmasses; one in the west named Laramidia and Appalachia in the east. Since they were separated from each other, the dinosaur faunas on each of them were ...
Paleontology in Kentucky refers to paleontological research occurring within or conducted by people from the U.S. state of Kentucky. Kentucky's abundance of exposed sedimentary rock makes it an ideal source of fossils. The geologic column of Kentucky contains rocks deposited during the Ordovician, Silurian, Devonian, Mississippian and ...
Florida: There is no state fossil in Florida, though agatised coral, which is a fossil, is the state stone. Hawaii. Iowa: The crinoid was proposed in 2018. [2] Minnesota: The giant beaver was proposed in 2022. [3] New Hampshire: The American mastodon (Mammut americanum) was considered in 2015.
List of prehistoric foraminifera genera. List of ichthyosaur genera. List of marine gastropod genera in the fossil record. List of plesiosaur genera. List of prehistoric malacostracans. List of prehistoric medusozoan genera. List of prehistoric nautiloid genera. List of prehistoric ostracod genera. List of prehistoric sea cucumbers.
Mounted skeletons of Tyrannosaurus (left) and Apatosaurus (right) at the AMNH. Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research.