[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
     Order Podicipediformes Fürbringer, 1888
       Family Podicipedidae Bonaparte, 1832 - grebes
         Genus Podicipes Oken, 1839, nom. illeg. see Genus Podiceps Latham, 1787
           1 Podicipes cristatus (Linnaeus, 1758) see Podiceps cristatus (Linnaeus, 1758)
           2 Podicipes grisegena Boddaert, 1783 see Podiceps grisegena (Boddaert, 1783)
           3 Podicipes auritus (Linnaeus, 1758) see Podiceps auritus (Linnaeus, 1758)
           4 Podicipes nigricollis Brehm, 1831 see Podiceps nigricollis Brehm, 1831