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 dactylatra Lesson, 1831 - masked booby
               1 Sula dactylatra dactylatra Lesson, 1831
               2 Sula dactylatra melanops Hartlaub, 1859
               3 Sula dactylatra bedouti Mathews, 1913
               4 Sula dactylatra fullagari O'Brien & Davies, 1990
               5 Sula dactylatra personata Gould, 1846
               6 Sula dactylatra californica Rothschild, 1915