Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Ornithurae Haeckel, 1866 see Clade Ornithurae Haeckel 1866 [Gauthier 1986] {Chiappe 1991}
     Infraclass Ratitae (Merrem, 1813) P. Brodkorb, 1963 see Parvclass Ratitae (Merrem, 1813)
       Order ‡Dinornithiformes Gadow, 1893 - moas
         Family ‡Emeidae Bonaparte, 1854 - emeid moas
           Subfamily ‡Anomalopteryginae Oliver see Family Anomalopterygidae Archey, 1941
             1 Genus †Anomalopteryx Reichenbach, 1853
             2 Genus ‡Megalapteryx Haast, 1886
             3 Genus ‡Pachyornis Lydekker, 1891