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Birds were therefore the only dinosaur lineage to survive the Cretaceous–Paleogene extinction event approximately 66 million years ago. Dinosaurs can be divided into avian dinosaurs (birds) and non-avian dinosaurs, which are all dinosaurs other than birds. Birds are feathered theropod dinosaurs and constitute the only known living dinosaurs.
Bruhathkayosaurus (/ b r uː ˌ h æ θ k eɪ oʊ ˈ s ɔːr ə s /; meaning "huge-bodied lizard") is a controversial genus of sauropod dinosaur found in the Kallamedu Formation of India.The fragmentary remains were originally described as a theropod, but it was later determined to be a titanosaurian sauropod.
Many dinosaur specimens have been sold at auction, as part of the fossil trade.On average, around five dinosaur skeletons are put up for auction each year. [1] These specimens are mostly purchased by wealthy private collectors and museums in Europe and the United States, though interest has been growing in China as well. [1]
Yamanasaurus (meaning "Yamana lizard") is an extinct genus of saltasaurine titanosaur dinosaur from the Río Playas Formation of Ecuador, which dates to the Maastrichtian epoch of the Cretaceous period (approximately 66.9 million years ago). The type and only species is Yamanasaurus lojaensis. It is the first non-avian dinosaur described from ...
SPS 100/44 was discovered by Sergei Mikhailovich Kurzanov during the 1979 Soviet-Mongolian Paleontological Expedition. It was found in deposits of the Barunbayaskaya Svita at the Khamareen Us locality, Dornogov (southeastern Gobi Desert), in the Mongolian People's Republic. SPS 100/44 was described by Rinchen Barsbold and colleagues in 1987. [66]
Predatory theropod dinosaurs, which occupied most terrestrial carnivore niches during the Mesozoic, most often fall into the 100-to-1,000 kg (220-to-2,200 lb) category when sorted by estimated weight into categories based on order of magnitude, whereas recent predatory carnivoran mammals peak in the 10-to-100 kg (22-to-220 lb) category. [138]
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This specimen was the first occurrence of a hadrosaur in south-central Alaska, one out of only four vertebrate fossils from the entire Wrangellia Composite Terrane, and the first associated skeleton of an individual dinosaur in Alaska. [73] Mama Dry [54] CM 3392 Carnegie Museum of Natural History: Dryosaurus elderae: Late Jurassic: Morrison ...