#smooth_dogfish  small bottom-dwelling shark found along both Atlantic coasts
  supertype:  #dogfish  any of several small sharks
  subtype:  #smoothhound_shark  #American_smooth_dogfish  #Florida_smoothhound  #reef_whitetip_shark
  member of:  #family_Triakidae__Triakidae  small smooth-skinned sharks lacking spines on dorsal fins
     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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