Lanzhousaurus magnidens

Lanzhousaurus is a genus of ornithopod dinosaur that lived in the Gansu region of what is now China during the Early Cretaceous (Barremian). Described by You, Ji, and Li in 2005, the type and only species is Lanzhousaurus magnidens, known from a partial skeleton recovered from the Hekou Group. It has been estimated to be about 10 meters (33 ft) in length and 6 metric tons in weight.