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
           1 Genus Morus Vieillot, 1816
           2 Genus Papasula Olson & Warheit, 1988 [monotypic]
           3 Genus Sula Brisson, 1760