• Ornithothoraces
  • Platanavis [i. s.]
  • Enantiornithes
    • Cuspirostrisornis [i. s.]
    • ?Iberomesornis
    • Largirostrisornis [i. s.]
    • Longchenornis [i. s.]
    • Otogornis [i. s.]
    • ---
      • ?Vorona
      • ---
        • Eoalulavis
        • ---
          • ?Alexornis
          • Kizylkumavis
          • Sazavis
          • ?Sinornis
          • Cathayornithiformes
            • Boluochia
            • Cathayornis
          • Enantiornithiformes
            • Enantiornis
            • ?Zhyraornis
            • Avisauridae
              • Lectavis
              • ---
                • Yungavolucris
                • ---
                  • ?Concornis
                  • ---
                    • Neuquenornis
                    • ---
                      • Avisaurus archibaldi*
                      • Avisaurus gloriae
                      • Soroavisaurus
          • Gobipterygidae
            • Gobipteryx
            • Horezmavis
          • ---
            • Lenesornis maltshevskyi
            • Nanantius
  • Ornithurae
    • ?Liaoningornis
    • Songlingornis [i. s.]
    • ---
      • ?Chaoyangia
      • ?Gansus
      • ?Kuszholia
      • ?Patagopteryx
      • ---
        • Carinatae
          • Ambiortimorphae
            • Ambiortus
            • Apatornis celer
            • Ichthyornis dispar
          • Neornithes
        • Hesperornithiformes
          • Enaliornis
          • ---
            • Baptornithidae
              • Baptornis
              • Judinornis
              • Pasquiaornis
            • Hesperornithidae
              • Asiahesperornis
              • Coniornis
              • Parahesperornis gracilis

---


Revised: February 1, 1999; New: January 1, 1996