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 Diomedeidae Gray, 1840 - albatrosses
           Genus Phoebastria Reichenbach, 1853
             1 Phoebastria immutabilis (Rothschild, 1893) - Laysan albatross
             2 Phoebastria nigripes (Audubon, 1839) - black-footed albatross
             3 Phoebastria irrorata (Salvin, 1883) - waved albatross
             4 Phoebastria albatrus (Pallas, 1769) - short-tailed albatross