A toothlike or platelike scale of cartilaginous fishes, such as sharks and rays. The teeth of these fish are also dermal denticles of larger size and modified by the presence of serrated edges.
dermal denticle | Erin M. Dillon
Scanning electron microscope images of dermal denticles from the
Types of dermal denticle observed in the caudal region of R. clavata
Ray Dermal Denticles – Fossil ID – The Fossil Forum
Liberal Dictionary English Dictionary
