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] Pelecaniformes Sharpe, 1891
         Family Sulidae Reichenbach, 1849 - gannets, boobies
           Genus Sula Brisson, 1760
             Sula nebouxii Milne-Edwards, 1882 - blue-footed booby
               1 Sula nebouxii nebouxii Milne-Edwards, 1882
               2 Sula nebouxii excisa Todd, 1948