Cerapoda is a clade or suborder of the order Ornithischia. They are the sister group of the Thyreophora within the clade Genasauria. Cerapods are united by having a thicker layer of enamel on the inside of their lower teeth. The teeth wore unevenly with chewing and developed sharp ridges that allowed cerapods to break down tougher plant food than other dinosaurs. Taxonomy They are divided either into two or three groups. The first of these groups were Ornithopoda ("bird-foot"). The other two… (More on Cerapoda)