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 Sphenisciformes Sharpe, 1891
         Family Spheniscidae Bonaparte, 1831 - penguins
           Subfamily †Palaeeudyptinae Simpson
             01 Genus †Palaeeudyptes Huxley
             02 Genus †Pachydyptes Oliver, 1930
             03 Genus †Archaeospheniscus Marples, 1953
             04 Genus †Duntroonornis Marples, 1953
             05 Genus †Platydyptes Marples, 1953
             06 Genus †Korora Marples, 1953
             07 Genus †Anthropodytes Simpson
             08 Genus †Notodyptes Marples, 1953
             09 Genus †Anthropornis Wiman, 1905
             10 Genus †Orthopteryx Wiman
             11 Genus †Eosphaeniscus Wiman, 1905
             12 Genus †Delphinornis Wiman, 1905
             13 Genus †Ichtyopteryx Wiman, 1905, nom. dub.
             14 Genus †Arthrodytes Ameghino, 1905