Xiaosaurus
| Xiaosaurus Temporal range: Middle Jurassic,  | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Clade: | †Ornithischia | 
| Clade: | †Neornithischia | 
| Genus: | †Xiaosaurus Dong & Tang, 1983 | 
| Species: | †X. dashanpensis | 
| Binomial name | |
| †Xiaosaurus dashanpensis Dong & Tang, 1983 | |
Xiaosaurus ("dawn lizard", /ʃaʊˈsɔːrəs/), is a genus of small herbivorous dinosaur from the middle Jurassic, approximately 170.3 to 163.5 mya. Xiaosaurus lived in what is now the Sichuan Basin of China.