Electron micrograph of the radula, the feeding structure of some mollusk groups, of the nudibranch (Armina maculata)
(via: Wikipedia)
Electron micrograph of the radula, the feeding structure of some mollusk groups, of the nudibranch (Armina maculata)
(via: Wikipedia)
I just had to give a presentation on the radula. All mollusks have them except for bivalves.