#genus_Protoavis  extinct primitive birds of the Triassic period; 70 million years before archaeopteryx
  supertype:  #bird_genus  a genus of birds
  member of:  #class_Aves
  member:  #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

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