#class_Chondrichthyes__Chondrichthyes  cartilaginous fishes
  supertype:  #class__clas  (biology) a taxonomic group containing one or more orders
  member:  #cartilaginous_fish  #subclass_Holocephali  #subclass_Elasmobranchii
  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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