Lanzhousaurus

Lanzhousaurus is a genus of dinosaur. Lanzhousaurus lived in the Gansu region of what is now China during the Early Cretaceous. A partial skeleton has been recovered. It was described by You, Ji and Li in 2005 and the type species is Lanzhousaurus magnidens.

Notabilities
It is perhaps most notable for its "astonishingly huge teeth", among the largest for any herbivorous creature ever, which indicate it is a styracosternan iguanodont. The mandible, longer than one meter, suggests very large size for the animal.