Lanzhousaurus
| Lanzhousaurus Temporal range: Lower Cretaceous,  | |
|---|---|
| Skeletal mount of Lanzhousaurus | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Clade: | †Ornithischia | 
| Clade: | †Ornithopoda | 
| Clade: | †Styracosterna | 
| Genus: | †Lanzhousaurus You, Ji & Li, 2005 | 
| Type species | |
| †Lanzhousaurus magnidens You, Ji & Li, 2005 | |
Lanzhousaurus (meaning "Lanzhou lizard") is a genus of ornithopod dinosaur. Lanzhousaurus lived in the Gansu region of what is now China during the Early Cretaceous (Barremian). A partial skeleton has been recovered from the Hekou Group. It was described by You, Ji and Li in 2005 and the type and only species is Lanzhousaurus magnidens. It has been estimated to be about 10 meters (33 feet) in length and 6 tonnes (6.6 short tons) in weight.