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Sinraptor
''Sinraptor'' is a genus of theropod dinosaur from the Late Jurassic. The name ''Sinraptor'' comes from the Latin prefix "Sino", meaning Chinese, and "Raptor" meaning thief. The specific name ''dongi'' honours Dong Zhiming. Despite its name, ''Sinraptor'' is not related to dromaeosaurids (often nicknamed "raptors") like ''Velociraptor''.
==Discovery==
The holotype specimen of ''Sinraptor'' was uncovered from the Shishugou Formation during a joint Chinese/Canadian expedition to the northwestern Chinese desert in 1987, and described by Philip J. Currie and Xian Zhao in 1994. Standing nearly 3 meters tall (10 ft) and measuring roughly 7.6 meters (25 feet) in length, two species of ''Sinraptor'' have been named. ''S. dongi'', the type species, was described by Currie and Zhao in 1994. A second species, originally named ''Yangchuanosaurus hepingensis'' by Gao in 1992, may actually represent a second species of ''Sinraptor''. Whether or not this is the case, ''Sinraptor'' and ''Yangchuanosaurus'' were close relatives, and are classified together in the family Metriacanthosauridae.〔Carrano, M.T.; Benson, R.B.J.; Sampson, S.D. (2012). "The phylogeny of Tetanurae (Dinosauria: Theropoda)". ''Journal of Systematic Palaeontology'' 10(2):211. doi:10.1080/14772019.2011.630927〕
The skeleton of ''Sinraptor hepingensis'' (formerly referred to ''Yangchuanosaurus'') is on display at the Zigong Dinosaur Museum, Zigong, China.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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