#family_Sirenidae__Sirenidae  sirens
  supertype:  #amphibian_family__amphibianfamily  any family of amphibians
  member:  #genus_Siren
  member of:  #order_Urodella__Urodella__Caudata__order_Caudata  salamanders; newts; congo snakes
     member of:  #class_Amphibia__Amphibia  frogs; toads; newts; salamanders; caecilians
        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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