Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Ornithurae Haeckel, 1866 see Clade Ornithurae Haeckel 1866 [Gauthier 1986] {Chiappe 1991}
     Infraclass Carinatae Merrem, 1813 see Clade Carinatae Merrem 1813 [Gauthier & de Queiroz 2001]
       Order Ardeiformes Wagler, 1830
         Suborder Plataleae A. Newton see Suborder Ciconiae Bonaparte, 1854
           Family Plataleidae Bonaparte, 1838
             Subfamily Threskiornithinae Richmond, 1917 see Family Threskiornithidae Richmond, 1917
               1 Genus †Ibidopsis Lydekker, 1891
               2 Genus †Ibidopodia Milne-Edwards, 1867
               3 Genus Eudocimus Wagler, 1832
               4 Genus †Protibis Ameghino, 1891
               5 Genus Plegadis Kaup, 1829
               6 Genus Carphibis Reichenbach, 1852 see Genus Threskiornis Gray, 1842