Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Order Podicipediformes Fürbringer, 1888
                   Family Podicipedidae Bonaparte, 1832 - grebes
                     1 Genus Podiceps Latham, 1787
                     2 Genus Centropelma Sclater & Salvin, 1869 see Genus Rollandia Bonaparte, 1856
                     3 Genus Podilymbus Lesson, 1831
                     4 Genus Aechmophorus Coues, 1862