#cephalopod_mollusk__cephalopod  marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles
  supertype:  mollusk__mollusc__shellfish  invertebrate having a soft unsegmented body usually enclosed in a shell
  member of:  class_Cephalopoda
  subtype:  chambered_nautilus__pearly_nautilus__nautilus  cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions
  subtype:  dibranchiate_mollusk__dibranchiate__dibranch  cephalopods having two gills
  subtype:  octopod  eight-armed cephalopod lacking an internal shell
     subtype:  devilfish__octopus__octopu  bottom-living cephalopod having a soft oval body with eight long tentacles
     subtype:  paper_nautilus__nautilus__Argonauta_argo  cephalopod mollusk of warm seas whose females have delicate papery spiral shells
  subtype:  decapod  cephalopods having eight short tentacles plus two long ones
     subtype:  squid  widely distributed fast-moving ten-armed cephalopod mollusk having a long tapered body with triangular tail fins
        subtype:  loligo  somewhat flattened cylindrical squid
        subtype:  ommastrephes  extremely active cylindrical squid with short strong arms and large rhombic terminal fins
        subtype:  architeuthis__giant_squid__giantsquid  largest mollusk known about but never seen (to 60 feet long)
     subtype:  cuttlefish__cuttle  ten-armed oval-bodied cephalopod with narrow fins as long as the body and a large calcareous internal shell
     subtype:  spirula__Spirula_peronii  a small tropical cephalopod of the genus Spirula having prominent eyes and short arms and a many-chambered shell coiled in a flat spiral

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