Order Accipitriformes Vieillot - diurnal birds of prey see Order Falconiformes Sharpe, 1874
   Suborder Accipitres (C. Linnaeus, 1758) - hawks
     Family Accipitridae Vieillot, 1816 - secretary bird, osprey, kites, hawks and eagles
       Subfamily Gypaetinae Vieillot, 1816 - Old World vultures
         1 Genus †Palaeohierax Milne-Edwards, 1869-1871[1871]
         2 Genus †Palaeoborus Coues, 1884
         3 Genus †Neophrontops L. Miller
         4 Genus †Neogyps L. Miller
         5 Genus Gyps Savigny, 1809