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Appalachiosaurus
''Appalachiosaurus'' ( ; "Appalachian lizard") is a genus of tyrannosauroid theropod dinosaur from the Late Cretaceous Period of eastern North America. Like almost all theropods, it was a bipedal predator. Only a juvenile skeleton has been found, representing an animal approximately long and weighing , which indicates an adult would have been even larger. It is the most completely known theropod from the eastern part of North America. Fossils of ''Appalachiosaurus'' were found in central Alabama, from the Demopolis Chalk Formation. This formation dates to the middle of the Campanian stage of the Late Cretaceous, or around 77 million years ago. Fossil material assigned to ''A. montgomeriensis'' is also known from the Donoho Creek and Tar Heel-Coachman formations of North and South Carolina. Discovery and naming The type specimen was found by Auburn University geologist David King in eastern North America in July 1982. This dinosaur was named after the region of the eastern Unit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Appalachiosaurus Montgomeriensis
''Appalachiosaurus'' ( ; "Appalachian lizard") is a genus of tyrannosauroid theropod dinosaur from the Late Cretaceous Period of eastern North America. Like almost all theropods, it was a bipedal predator. Only a juvenile skeleton has been found, representing an animal approximately long and weighing , which indicates an adult would have been even larger. It is the most completely known theropod from the eastern part of North America. Fossils of ''Appalachiosaurus'' were found in central Alabama, from the Demopolis Chalk Formation. This formation dates to the middle of the Campanian stage of the Late Cretaceous, or around 77 million years ago. Fossil material assigned to ''A. montgomeriensis'' is also known from the Donoho Creek and Tar Heel-Coachman formations of North and South Carolina. Discovery and naming The type specimen was found by Auburn University geologist David King in eastern North America in July 1982. This dinosaur was named after the region of the eastern Uni ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tyrannosauroid
Tyrannosauroidea (meaning 'tyrant lizard forms') is a superfamily (or clade) of coelurosaurian theropod dinosaurs that includes the family Tyrannosauridae as well as more basal relatives. Tyrannosauroids lived on the Laurasian supercontinent beginning in the Jurassic Period. By the end of the Cretaceous Period, tyrannosauroids were the dominant large predators in the Northern Hemisphere, culminating in the gigantic ''Tyrannosaurus''. Fossils of tyrannosauroids have been recovered on what are now the continents of North America, Europe and Asia, with fragmentary remains possibly attributable to tyrannosaurs also known from South America and Australia. Tyrannosauroids were bipedal carnivores, as were most theropods, and were characterized by numerous skeletal features, especially of the skull and pelvis. Early in their existence, tyrannosauroids were small predators with long, three-fingered forelimbs. Late Cretaceous genera became much larger, including some of the largest ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Demopolis Chalk Formation
The Demopolis Chalk is a geological formation in North America, within the U.S. states of Alabama, Mississippi, and Tennessee. The chalk was formed by pelagic sediments deposited along the eastern edge of the Mississippi embayment during the middle Campanian stage of the Late Cretaceous.Carr, T.D., Williamson, T.E., & Schwimmer, D.R. 2005. A new genus and species of tyrannosauroid from the Late Cretaceous (middle Campanian) Demopolis Formation of Alabama. ''Journal of Vertebrate Paleontology'' 25(1): 119–143. It is a unit of the Selma Group and consists of the upper Bluffport Marl Member and a lower unnamed member. Dinosaur and mosasaur remains are among the fossils that have been recovered from the Demopolis Chalk.Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 574-588. . Vertebrate paleofauna ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Appalachia (Mesozoic)
During most of the Late Cretaceous (100.5 to 66 million years ago) the eastern half of North America formed Appalachia (named for the Appalachian Mountains), an island land mass separated from Laramidia to the west by the Western Interior Seaway. This seaway had split North America into two massive landmasses due to a multitude of factors such as tectonism and sea-level fluctuations for nearly 40 million years. The seaway eventually expanded, divided across the Dakotas, and by the end of the Cretaceous, it retreated towards the Gulf of Mexico and the Hudson Bay. This left the island masses joined in the continent of North America as the Rocky Mountains rose. From the Cenomanian to the end of the Campanian ages of the Late Cretaceous, Appalachia was separated from the rest of North America. As the Western Interior Seaway retreated in the Maastrichtian, Laramidia and Appalachia eventually connected. Because of this, its fauna was isolated, and developed very differently from the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2005 In Paleontology
Protozoans Diatoms Plants Conifers Angiosperms Fungi Arthropoda Arachnids Insects Xiphosurans * Fossils of '' Lunataspis'', the earliest known xiphosuran, are discovered in Canada. It was not given a formal description until 2008, however. Plesiosaurs New taxa Archosauromorphs Newly named Non-Avian dinosaurs Data courtesy of George Olshevsky's dinosaur genera list. Newly named birds Newly named pterosaurs Synapsids Non-mammalian Footnotes Complete author list As science becomes more collaborative, papers with large numbers of authors are becoming more common. To prevent the deformation of the tables, these footnotes list the contributors to papers that erect new genera and have many authors. References {{DEFAULTSORT:2005 In Paleontology 2000s in paleontology Paleontology Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holoc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tar Heel Formation
The Tar Heel Formation is a geologic formation in North Carolina. It preserves fossils, including amber dating back to the Cretaceous period. A locality known as Phoebus Landing, has been dated to 78.5-77.1 Ma. Fish Cartilaginous fish Dinosaurs Ornithopods An indeterminate hadrosauroid Hadrosauroidea is a clade or superfamily of ornithischian dinosaurs that includes the "duck-billed" dinosaurs, or hadrosaurids, and all dinosaurs more closely related to them than to ''Iguanodon''. Their remains have been recovered in Asia, Eu ... is known from Stokes Quarry. Ceratopsians Theropods Indeterminate theropods, ornithomimosaurs, and maniraptorans are known from Stokes Quarry. References {{Reflist Cretaceous geology of North Carolina ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Donoho Creek Formation
The Donoho Creek Formation is a Mesozoic geologic formation in South Carolina. Dinosaur remains are among the fossils that have been recovered from the formation. Dinosaurs known from the formation: * ''Appalachiosaurus montgomeriensis'' * ''Saurornitholestes langstoni'' * Hadrosauridae indet. * Ornithomimosauria indet. See also * List of dinosaur-bearing rock formations ** List of stratigraphic units with indeterminate dinosaur fossils This list of stratigraphic units with indeterminate dinosaur fossils includes stratigraphic units of formation rank or higher that have produced dinosaur body fossils, although none of these remains have been referred to a specific genus in the sci ... Footnotes References * Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. . Maastrichtian Stage of North America Cretaceous geology of South Carolina {{US-geologic-formation-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thomas Carr (paleontologist)
Thomas D. Carr is a vertebrate paleontologist who received his Ph.D. from the University of Toronto in 2005. He is now a member of the biology faculty at Carthage College in Kenosha, Wisconsin. Much of his work centers on tyrannosauroid dinosaurs. Carr published the first quantitative analysis of tyrannosaurid ontogeny in 1999, establishing that several previously recognized genera and species of tyrannosaurids were in fact juveniles of other recognized taxa. Carr shared the Lanzendorf Prize for scientific illustration at the 2000 Society of Vertebrate Paleontology conference for the artwork in this article. In 2005, he and two colleagues described and named '' Appalachiosaurus'', a late-surviving basal tyrannosauroid found in Alabama. He is also scientific advisor to the Dinosaur Discovery Museum in Kenosha, Wisconsin Kenosha () is a city in the U.S. state of Wisconsin and the seat of Kenosha County. Per the 2020 census, the population was 99,986 which made it the fou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dinosaur
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 (mya), although the exact origin and timing of the evolution of dinosaurs is the subject of active research. They became the dominant terrestrial vertebrates after the Triassic–Jurassic extinction event 201.3 mya; their dominance continued throughout the Jurassic and Cretaceous periods. The fossil record shows that birds are feathered dinosaurs, having evolved from earlier theropods during the Late Jurassic epoch, and are the only dinosaur lineage known to have survived the Cretaceous–Paleogene extinction event approximately 66 mya. Dinosaurs can therefore be divided into avian dinosaurs—birds—and the extinct non-avian dinosaurs, which are all dinosaurs other than birds. Dinosaurs are varied from taxonomic, morphological and ecological standpoints. Birds, at over 10,700 living species, are among ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Auburn University
Auburn University (AU or Auburn) is a public land-grant research university in Auburn, Alabama. With more than 24,600 undergraduate students and a total enrollment of more than 30,000 with 1,330 faculty members, Auburn is the second largest university in Alabama. It is one of the state's two public flagship universities. The university is classified among "R1: Doctoral Universities – Very High Research Activity" and its alumni include 5 Rhodes Scholars and 5 Truman Scholars. Auburn was chartered on February 1, 1856, as East Alabama Male College, a private liberal arts school affiliated with the Methodist Episcopal Church, South. In 1872, under the Morrill Act, it became the state's first land-grant university and was renamed as the Agricultural and Mechanical College of Alabama. In 1892, it became the first four-year coeducational school in Alabama, and in 1899 was renamed Alabama Polytechnic Institute (API) to reflect its changing mission. In 1960, its name was changed t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thomas Williamson (paleontologist) And
Thomas or Tom Williamson may refer to: * Tom Williamson, Baron Williamson (1897–1983), British trade union leader and Member of Parliament * Tom Williamson (English footballer) (born 1984), English footballer * Tom Williamson (Australian footballer) (born 1998), Australian footballer * Thomas Williamson (soccer) (born 1999), American soccer player * Tom Williamson (Scottish footballer) (1901–1988), Scottish footballer * Thomas Williamson (Australian politician) (1853–1921), New South Wales politician * Tom Williamson (golfer) (1880–1950), English professional golfer * Thomas Smith Williamson (1800–1879), American physician and missionary * Tom Williamson (actor) (born 1990), American actor * Thomas Wilson Williamson (1887–1974), American architect * Thomas Williamson (surgeon) (1815–1885), Scottish surgeon and medical officer of health * Thomas Andrew Williamson, American serial killer See also *Nicol Williamson Thomas Nicol Williamson (14 September 1936 – ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paleontologist
Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossils to classify organisms and study their interactions with each other and their environments (their paleoecology). Paleontological observations have been documented as far back as the 5th century BC. The science became established in the 18th century as a result of Georges Cuvier's work on comparative anatomy, and developed rapidly in the 19th century. The term itself originates from Greek (, "old, ancient"), (, ( gen. ), "being, creature"), and (, "speech, thought, study"). Paleontology lies on the border between biology and geology, but differs from archaeology in that it excludes the study of anatomically modern humans. It now uses techniques drawn from a wide range of sciences, including biochemistry, mathematics, and engineering. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
