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 7meters (23feet) long and 2m (6.5ft) high to 3m (10ft) long in the largest species.