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Plesiosaurus (Greek: πλησίος (plesios), near to + σαῦρος (sauros), lizard) is a genus of extinct, large marine sauropterygian reptile that lived during the Early Jurassic. It is known by nearly complete skeletons from the Lias of England. It is distinguishable by its small head, long and slender neck, broad turtle-like body, a ...
The Coats–Hines–Litchy site (formerly Coats–Hines) is a paleontological site located in Williamson County, Tennessee, in the Southeastern United States.The site was formerly believed to be archaeological, and identified as one of only a very few locations in Eastern North America containing evidence of Paleoindian hunting of late Pleistocene proboscideans. [1]
The location of the state of Tennessee. Paleontology in Tennessee refers to paleontological research occurring within or conducted by people from the U.S. state of Tennessee. During the early part of the Paleozoic era, Tennessee was covered by a warm, shallow sea. This sea was home to brachiopods, bryozoans, cephalopods, corals, and trilobites.
Fossils that may have belonged to the holotype were found by the American geologist Benjamin Franklin Mudge in 1871, but have probably been lost since. [3] Additional plesiosaur fossils were recovered near the original locality in 1954, 1991, 1994, and 1998, including back vertebrae, ribs, gastralia (belly ribs), and gastroliths. As none of ...
In December 2017, a large skeleton of a plesiosaur was found in the continent of Antarctica, the oldest creature on the continent, and the first of its species in Antarctica. [47] Not only has the number of field discoveries increased, but also, since the 1950s, plesiosaurs have been the subject of more extensive theoretical work.
Among the mammal discoveries were the remains of rhinoceroses, tapirs, three-toed horses, pig-like animals, and rodents. [84] In 1947 another major dinosaur discovery took place. An American Museum field party led by Edwin Harris Colbert found a bonebed including the skeletons of more than 1,000 Coelophysis at Ghost Ranch. [85]
Hadrosaur remains have even been found in Iowa, though in fragmentary remains, [64] Tennessee, most notably from the Coon Creek Formation. [ 65 ] [ 66 ] Hypsibema crassicauda , [ 67 ] over fifty feet long, was one of the largest eastern hadrosaurs, outgrowing some of more derived western hadrosaurs like Lambeosaurus and Saurolophus .
Chucalissa is a Walls phase mound and plaza complex that was occupied, abandoned and reoccupied several times throughout its history, spanning from 1000 to 1550 CE. It is located on a bluff overlooking the Mississippi River. Other contemporaneous groups in the area include the Parkin phase, Menard phase, and the Nodena phase.