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Dongyangosaurus
''Dongyangosaurus'' is a genus of Saltasaurid sauropod dinosaur from the early Late Cretaceous.〔P. D. Mannion, P. Upchurch, R. N. Barnes and O. Mateus. (2013). ("Osteology of the Late Jurassic Portuguese sauropod dinosaur Lusotitan atalaiensis (Macronaria) and the evolutionary history of basal titanosauriforms." ) ''Zoological Journal of the Linnean Society'' 168: 98-206.〕 The only species is ''Dongyangosaurus sinensis'', from which only a single fragmentary skeleton is known, coming from the Zhejiang province of eastern China.〔 Like other sauropods, ''Dongyangosaurus'' would have been a large quadrupedal herbivore.〔
==Description==
The only skeleton (holotype DYM 04888) is stored in the Dongyang Museum (Dongyang, Zhejiang). It consists of 10 dorsal vertebrae, the sacrum, two caudal vertebrae as well as the complete pelvis. The skeleton was found articulated.〔
''Dongyangosaurus'' was a midsized sauropod, measuring approximately 50 ft (15 m) in length and 15 ft (5 m) in height. The dorsal vertebrae were characterized by eye shaped pleurocoels and low bifurcated neural spines. The sacrum consisted of six fused sacral vertebrae, a feature unique to Somphospondylans.〔 The caudal vertebrae were procoelous (concave anteriorly and convex posteriorly), forming ball-and-socket joints with neighboring vertebrae. The pubis was shorter than the ischium. The obturator foramen was narrow and extended.〔
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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