| Lanzhousaurus Temporal range: Lower Cretaceous,
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| Skeletal mount of Lanzhousaurus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Neornithischia |
| Clade: | †Ornithopoda |
| Clade: | †Styracosterna |
| Genus: | †Lanzhousaurus You, Ji & Li, 2005 |
| Type species | |
| †Lanzhousaurus magnidens You, Ji & Li, 2005
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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.[1] It's been estimated to be about 10 meters (33 feet) in length and 6 tonnes (6.6 short tons) in weight.[2]
- ^ You, Hailu; Ji, Qiang; Li, Daqing (2005). "Lanzhousaurus magnidens gen. et sp. nov. from Gansu Province, China: the largest-toothed herbivorous dinosaur in the world" [中国甘肃发现世界上最大牙齿的植食性恐龙：巨齿兰州龙(新属、新种)]. Geological Bulletin of China. 24 (9): 785–794. ISSN 1671-2552.
- ^ Paul, Gregory S. (2016). The Princeton Field Guide to Dinosaurs (2nd ed.). New Jersey: Princeton University Press. p. 319.