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Stromatoporoids lived in Tennessee during the Ordovician. [2] Ordovician trilobites were preserved in Rutherford County. [4] Silurian Tennessee remained covered by seawater. [1] The Silurian fauna of Tennessee included brachiopods, bryozoans, crinoids, and gastropods. [5] Tennessee was still submerged into the ensuing Devonian period. [1]
This list of the Paleozoic life of Tennessee contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Tennessee and are between 538.8 and 252.17 million years of age.
This list of the prehistoric life of Tennessee contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of ...
The Gray Fossil Site is a deposit of laminated clay and silt sediments laid down in an ancient lake that formed within a sinkhole. The deposit is oval in shape, covering an area of roughly 220 meters by 180 meters and ranging in depth from about 7 meters to 39 meters deep.
Restoration. The juvenile specimen of Appalachiosaurus measures approximately 6.5 m (21 ft) long and 623 kg (1,373 lb). [1] [4] So far, it is only known from partial remains, including parts of the skull and lower jaw, as well as several vertebrae, parts of the pelvis, and most of both legs.
It was a relatively small dinosaur, measuring 1.3 m (4.3 ft) in length and 3 kg (6.6 lb) in body mass. [6] The fossil evidence includes several partial skeletons recovered from Arizona by the Museum of Northern Arizona and the University of California Museum of Paleontology , although the skull is poorly known from these specimens.
Dryptosaurus (/ ˌ d r ɪ p t oʊ ˈ s ɔːr ə s / DRIP-toh-SOR-əs) is a genus of eutyrannosaurian theropod dinosaur that lived on the island continent of Appalachia approximately 67.6 million years ago during the end of the Maastrichtian age of the Late Cretaceous period.
Achelousaurus (/ ə ˌ k iː l oʊ ˈ s ɔːr ə s, ˌ æ k ɪ ˌ l oʊ ə ˈ s ɔːr ə s / [1]) is a genus of centrosaurine ceratopsid dinosaur that lived during the Late Cretaceous Period of what is now North America, about 74.2 million years ago.