Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Podicipediformes Fürbringer, 1888 [monotypic]
         Family Podicipedidae Bonaparte, 1832 - grebes
           Genus Podiceps Latham, 1787
             Podiceps cristatus (Linnaeus, 1758) - great crested grebe
               1 Podiceps cristatus cristatus (Linnaeus, 1758)
               2 Podiceps cristatus infuscatus Salvadori, 1884
               3 Podiceps cristatus australis Gould, 1844