Denticle
A denticle is any small tooth-like or bristle-like structure. "Denticle" may refer to: Denticle (tooth feature), serrations on the teeth of dinosaurs, lizards, sharks, and mammals Dermal denticles or placoid scales, in cartilaginous fishes Pulp stone or endolith, a calcified mass in the pulp of a tooth See also Denticulation (architecture)