Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Podicipediformes Fürbringer, 1888
           Family Podicipedidae Bonaparte, 1832 - grebes
             Genus Podiceps Latham, 1787
               1 Podiceps major (Boddaert, 1783) - great grebe
               2 Podiceps griseigena (Boddaert, 1783) see Podiceps grisegena (Boddaert, 1783)
               3 Podiceps cristatus (Linnaeus, 1758) - great crested grebe
               4 Podiceps auritus (Linnaeus, 1758) - Slavonian grebe
               5 Podiceps nigricollis Brehm, 1831 - black-necked grebe
               6 ‡Podiceps andinus (Meyer de Schauensee, 1959) - Colombian grebe
               7 Podiceps occipitalis Garnot, 1826 - silvery grebe
               8 Podiceps taczanowskii Berlepsch & Stolzmann, 1894 - Junin flightless grebe
               9 Podiceps gallardoi Rumboll, 1974 - hooded grebe