Yunnanosaurus
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Yunnanosaurus Temporal range: Early Jurassic - Middle Jurassic, 201–168 Ma |
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| 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 | |
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†Yunnanosaurus huangi Young, 1942 |
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| Other Species | |
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†Y. youngi Lu et al., 2007 |
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†Y. youngi Lu et al., 2007
Yunnanosaurus (/ˌjuːnænoʊˈsɔːrəs/ 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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