Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Passerimorphae Sibley et al., 1988
           Order Ciconiiformes Bonaparte, 1854
             Suborder Ciconii see Suborder Ciconiae Bonaparte, 1854
               Infraorder Ciconiides see Suborder Ciconiae Bonaparte, 1854
                 Parvorder Ciconiida see Suborder Ciconiae Bonaparte, 1854
                   Superfamily Procellarioidea Fürbringer, 1888
                     Family Spheniscidae Bonaparte, 1831 - penguins
                       Genus Eudyptes Vieillot, 1816
                         1 Eudyptes chrysocome (Forster, 1781) - rockhopper penguin
                         2 Eudyptes pachyrhynchus Gray, 1845 - Fiordland penguin
                         3 Eudyptes robustus Oliver, 1953 - Snares penguin
                         4 Eudyptes sclateri Buller, 1888 - erect-crested penguin
                         5 Eudyptes chrysolophus (Brandt, 1837) - Macaroni penguin
                         6 Eudyptes schlegeli Finsch, 1876 - royal penguin