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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.
List of Asian dinosaurs; List of Australian and Antarctic dinosaurs; List of dinosaurs and other Mesozoic reptiles of New Zealand; List of European dinosaurs; List of Indian and Madagascan dinosaurs; List of North American dinosaurs. List of Appalachian dinosaurs; List of archosaurs of the Chinle Formation; List of dinosaurs of the Morrison ...
Kentrosaurus (/ ˌ k ɛ n t r oʊ ˈ s ɔːr ə s / KEN-troh-SOR-əs; lit. ' prickle lizard ') is a genus of stegosaurid dinosaur from the Late Jurassic in Lindi Region of Tanzania.The type species is K. aethiopicus, named and described by German palaeontologist Edwin Hennig in 1915.
Sauropoda is a clade of dinosaurs that consists of roughly 300 species of large, long-necked herbivores and includes the largest terrestrial animals ever to exist. The first sauropod species were named in 1842 by Richard Owen, though at the time, he regarded them as unusual crocodilians.
Dinosaur Prison: 2023: United Kingdom [citation needed] The Dinosaur Project: 2012: United Kingdom [citation needed] Dino Mecard Theater Edition: The Island Of Tinysaur: 2019: South Korea: CGI computer animation [citation needed] Dinosaurus! 1960: United States [citation needed] Dinosaurs: The Terrible Lizards 1970 United States Short film [25 ...
Kileskus (meaning lizard in the Khakas language) is a genus of tyrannosauroid dinosaur known from partial remains found in Middle Jurassic (Bathonian stage) Itat Formation of Sharypovsky District, Krasnoyarsk Krai . Fossils recovered include the holotype maxilla, a premaxilla, a surangular, and a few bones from the hand and foot. [1]
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It remains uncertain whether the diversity of dinosaurs was in gradual decline before the K-Pg extinction event, or whether dinosaurs were actually thriving prior to the extinction. Rock formations from the Maastrichtian epoch, which directly preceded the extinction, have been found to have lower diversity than the preceding Campanian epoch ...