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Yunnanosaurus

Yunnanosaurus
Temporal range: Early Jurassic - Middle Jurassic,
201–168 Ma
Yunnanosaurus BW.jpg
Life restoration of Y. huangi
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Dinosauria
Order: Saurischia
Suborder: Sauropodomorpha
Clade: Sauropodiformes
Genus: Yunnanosaurus
Young, 1942
Type species
Yunnanosaurus huangi
Young, 1942
Other Species

Y. youngi Lu et al., 2007


Y. youngi Lu et al., 2007

Yunnanosaurus (/ˌjuːnænˈsɔːrəs/ EW-nan-o-SAWR-əs) is an extinct genus of sauropodomorph dinosaur that lived approximately 201 to 168 million years ago in what is now the Yunnan Province, in China. Yunnanosaurus was a large sized, moderately-built, ground-dwelling, quadrupedal herbivore, that could also walk bipedally, and ranged in size from 7 meters (23 feet) long and 2 m (6.5 ft) high to 13 m (42 ft) long in the largest species.

Yang Zhongjian (also known as C. C. Young) discovered the first Yunnanosaurus skeletons in the Lufeng Formation of Yunnan, China. The fossil find was composed of over twenty incomplete skeletons, including two skulls, it was excavated by Tsun Yi Wang. When first discovered, Yunnanosaurus was considered to be closely related to Lufengosaurus, but more recent research by Novas et al. (2011) shows that it is most closely related to Anchisaurus and Jingshanosaurus.


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