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Megalosaurus (meaning “Giant Lizard”) is a genus of Megalosaurid from the Middle Jurassic of England. It was described in 1827 by Gideon Mantell as M. bucklandii, making Megalosaurus the first officially described ¬†dinosaur. The type species is named in honor of William Buckland. In 1842, Sir Richard Owen used Iguanodon, Hylaeosaurus, and this Megalosaurus to […]

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Brontosaurus(meaning “Thunder Lizard”) is a genus of ¬†Diplodocidae dinosaur that lived in what is now the western area of the United States during the Late Jurassic period. The type species, B. excelsus, was described by Othniel Charles Marsh in 1879. In 1902, Peterson and Gilmore named a new genus of dinosaur Elosaurus, with the species […]

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Altirhinus (meaning “High Nose”) is a genus of iguanodontid from the Early Cretaceous of Mongolia. The type species, A. kurzanovi, was described by David B. Norman in 1998. The specific name is called kurzanovi for Sergei Kurzanov, the Russian scientist that originally found the specimen in 1981. In the original description, Norman stated that Altirhinus […]

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Metriacanthosaurus (meaning “Moderately-Spined Lizard”) is a genus of metriacanthosaurid from the Middle Jurassic of the Oxford clays of England. In 1923, Friedrich von Huene named this dinosaur Megalosaurus parkeri, in honor of W. Parker, who collected the fossils. ¬†In 1932, von Huene renamed the specimens Altispinax parkeri. In 1964, Alick Walker decided that the fossils […]

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Yangchuanosaurus (meaning “Yangchuan Lizard”) is a genus of large, allosaurid dinosaur from the Late Jurassic of China. It may have been the only dinosaur of it’s time that could have killed Mamenchisaurus. It was an apex predator, ruling the Jurassic Chinese landscape at around the same time Allosaurus was causing riot in North America. It […]

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