| Bienosaurus Temporal range: Sinemurian
~ | |
|---|---|
| |
| Holotype right dentary | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Saphornithischia |
| Clade: | †Genasauria |
| Clade: | †Thyreophora |
| Genus: | †Bienosaurus Dong, 2001 |
| Species: | †B. lufengensis
|
| Binomial name | |
| †Bienosaurus lufengensis Dong, 2001
| |
Bienosaurus (meaning "Bien's lizard") is a dubious genus of thyreophoran dinosaur from the Lower Jurassic (probably Sinemurian) Lower Lufeng Formation in Yunnan Province in China.