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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 ...
4.4.37.1 Suborder Caniformia (dog-like carnivores) 4.4.37.2 Suborder Feliformia (cat-like carnivores) ... This is an incomplete list of prehistoric mammals.
Rank Common name Scientific name Family Image Average mass (kg) Maximum mass (kg) Average length (m) Maximum length (m) Shoulder height (m) Native range
Various carnivorans, with feliforms to the left, and caniforms to the right. Carnivora is an order of placental mammals that have specialized in primarily eating flesh. Members of this order are called carnivorans, or colloquially carnivores, though the term more properly refers to any meat-eating organisms, and some carnivoran species are omnivores or herbivores.
One of the largest early carnivorous dinosaurs. Usually considered a basal saurischian but may be just outside the Dinosauria [30] Huallasaurus: 2022 Los Alamitos Formation (Late Cretaceous, Campanian to Maastrichtian) Argentina: Remains originally misidentified as belonging to a southern species of Kritosaurus: Huinculsaurus: 2020
Probably the most iconic dinosaur, Tyrannosaurus is a tyrannosaurine tyrannosaurid. The largest-known Tyrannosaruoid and among the last large non-avian dinosaurs. It is also one of the largest theropod dinosaurs to have ever lived, and one of the largest carnivores to have ever roamed North America †Vitakridrinda †Vitakridrinda sulaimani; 69 Ma
Its discovery helped researchers realize that dinosaurs were active, warm-blooded animals, kicking off the Dinosaur Renaissance: Denversaurus: 1988 Lance Formation (Late Cretaceous, Maastrichtian) United States ( South Dakota Wyoming) The youngest known nodosaurid [28] Diabloceratops: 2010 Wahweap Formation (Late Cretaceous, Campanian) United ...