Eomamenchisaurus
| Eomamenchisaurus Temporal range: Middle Jurassic,  | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Clade: | Saurischia | 
| Clade: | †Sauropodomorpha | 
| Clade: | †Sauropoda | 
| Family: | †Mamenchisauridae | 
| Genus: | †Eomamenchisaurus Lü et al., 2008 | 
| Species: | †E. yuanmouensis | 
| Binomial name | |
| †Eomamenchisaurus yuanmouensis Lü et al., 2008 | |
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.