#protoavis__protoavi  most primitive avian type known; extinct bird of the Triassic having birdlike jaw and hollow limbs and breastbone with dinosaur-like tail and hind limbs
  supertype:  bird  warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
  member of:  genus_Protoavis  extinct primitive birds of the Triassic period; 70 million years before archaeopteryx
     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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