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] Procellariiformes Fürbringer, 1888
         Family Pelecanoididae Gray, 1871 - diving petrels
           Genus Pelecanoides Lacépède, 1799
             1 Pelecanoides garnotii (Lesson, 1828) - Peruvian diving petrel
             2 Pelecanoides magellani (Mathews, 1912) - Magellanic diving petrel
             3 Pelecanoides georgicus Murphy & Harper, 1916 - South Georgia diving petrel
             4 Pelecanoides urinatrix (Gmelin, 1789) - common diving petrel