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A cephalopod is any member of the molluscan class Cephalopoda. These exclusively marine animals are characterized by bilateral body symmetry, a prominent head, and a set of arms or [[tentacles]] modified from the primitive molluscan foot. h4. Extant organisms * [[squid]] * [[cuttlefish]] * [[octopus]] * [[nautilus (animal)]] h4. Extinct organisms * [[ammonite]] Updated by bot Sun, Sep 18 '22, 02:55 |