#genus_Pterocnemia__Pterocnemia  a genus of birds of the family Rheidae
  supertype:  bird_genus  a genus of birds
  member:  rhea
  member of:  family_Rheidae__Rheidae  a family of birds coextensive with the order Rheiformes
     member of:  order_Rheiformes__Rheiformes  a ratite bird order: birds intermediate in characteristics between ostriches and emus: recent and extinct rheas
        member of:  class_Aves__Aves  birds
           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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