#cow_shark__cowshark__six-gilled_shark__Hexanchus_griseus  large primitive shark widely distributed in warm seas
  supertype:  shark  any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales
  member of:  genus_Hexanchus__Hexanchus  a genus of Hexanchidae
     member of:  family_Hexanchidae__Hexanchidae  primitive sharks
        member of:  subclass_Elasmobranchii__Elasmobranchii__Selachii__subclass_Selachii  sharks; rays; dogfishes; skates
           member of:  class_Chondrichthyes__Chondrichthyes  cartilaginous fishes
              member of:  subphylum_Vertebrata__Vertebrata__Craniata__subphylum_Craniata  fishes; amphibians; reptiles; birds; mammals
                 member of:  phylum_Chordata__Chordata  comprises true vertebrates and animals having a notochord
                    member of:  kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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