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 Rollandia Bonaparte, 1856
             Rollandia rolland (Quoy & Gaimard, 1824) - white-tufted grebe
               1 Rollandia rolland morrisoni (Simmons, 1962)
               2 Rollandia rolland chilensis (Lesson, 1828) - Chilean grebe
               3 Rollandia rolland rolland (Quoy & Gaimard, 1824) - Falkland grebe