The teeth of Changchunsaurus: Rare insight into ornithopod dinosaur tooth evolution

The teeth of Changchunsaurus parvus, a small herbivorous dinosaur from the Cretaceous of China, represent an important and poorly-known stage in the evolution of ornithopod dentition, according to a study.

from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2018/11/181107143452.htm