what kind of mollusk is an octopus
Class Cephalopoda-Octopus, Squid and Nautilus Active predators-most lack external shell (except Nautilus)Foot has evolved into a series of tentacles8 in octopus, 10 in squid, up to 90 in Nautilus Tentacles snare prey, beaklike jaws bite, radula pulls prey intomouth.