mollusk with foot presenting as multiple or .

Cephalopods include , , , , and the . The cephalopod are a kind of .

Most extant cephalopods possess either no or a reduced, internal shell (cuttlefish). Alternatively, the chambered nautiluses possess an external shell as too also the extinct ammonites.

The following videos are about octopusses and cuttlefish, respectively, but mostly are humorous.


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