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Mamenchisaurus (/ m ə ˌ m ʌ n tʃ i ˈ s ɔː r ə s / mə-MUN-chee-SOR-əs, Dinosauria Translation and Pronunciation Guide M or spelling pronunciation / m ə ˌ m ɛ n tʃ ɪ ˈ s ɔː r ə s /) is a genus of sauropod dinosaur known for their remarkably long necks [2] which made up nearly half the total body length. [3]
Fossils of Mamenchisaurus and Omeisaurus have been found in the Shaximiao Formation, dating to the Oxfordian-Tithonian interval, around 159-150 Ma (million years ago). Chuanjiesaurus fossils date between 166.1 and 163.5 Ma, while those of Eomamenchisaurus were found in the Zhanghe Formation, believed to be around 175.6-161.2 million years old. [8]
Its fossils were discovered by corn farmers while digging a reservoir Sonidosaurus: 2006 Iren Dabasu Formation (Late Cretaceous, Turonian to Santonian) China: One of the smallest known titanosaurs Stegosaurides: 1953 Xinminbao Group (Early Cretaceous, Hauterivian to Albian) China: A thyreophoran of uncertain phylogenetic position Suzhousaurus: 2007
Found in 1990. Most complete. Largest T.rex fossil specimen. Approx. 40 feet long, estimated 9.5 tons (live). [5] Skeleton, mounted (copy) Tyrannosaurus: FMNH PR2081 (copy) Sue (copy) Disney's Animal Kingdom: Bay Lake: Florida: USA: Skeleton, mounted Tyrannosaurus: HMNS 2006.1743.01 Wyrex Houston Museum of Natural Science: Houston: Texas: USA ...
Paleontologists re-evaluated the dinosaur’s ridiculously long neck by comparing it to closely related species.
Jingiella is an extinct genus of mamenchisaurid sauropod dinosaur from the Late Jurassic Dongxing Formation of Guangxi, China.The genus contains a single species, J. dongxingensis, known from vertebrae and limb bones.
Eomamenchisaurus (meaning "dawn Mamenchisaurus") is a genus of mamenchisaurid sauropod dinosaur from the Middle Jurassic Zhanghe Formation of Yuanmou, Yunnan, China. The type species is E. yuanmouensis, described by Lü Junchang and colleagues in 2008.
Fossils [ edit ] Xinjiangtitan shanshanesis is known from a single specimen, the holotype SSV12001, which consists of a nearly complete vertebral column preserved in articulation, as well as a partial skull, partial pelvis, and most of the left hind limb. [ 1 ]