A name used for a more restricted avian-lineage clade than Panaves. Definitions have included a branch-based bird-versus-deinonychosaur rule and an apomorphy-based flight rule; the definition must be specified in comparative work.

Ancestors (13)

  1. Theropod dinosaur
  2. Dinosaur
  3. Archosauria
  4. Diapsida
  5. Sauropsida
  6. Amniote
  7. Tetrapod
  8. Vertebrate
  9. Animal
  10. Eukaryote
  11. Organism
  12. Biology
  13. Home

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