Phylum Chordata Bateson, 1885 - chordates
Count: -
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
  Count: -
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
    Count: -
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
      Count: -
         Order Pelecaniformes Sharpe, 1891
        Count: [*] 6f;7g;57s; ‡1s
           Suborder Pelecani Sharpe, 1891 see Infraorder Pelecanides Sharpe, 1891
          Count: [*] 4f;5g;49s; ‡1s
             1 Family Pelecanidae Rafinesque, 1815 - pelicans
            Count: [*] 1g;7s
             2 Family Sulidae Reichenbach, 1849 - gannets, boobies
            Count: [*] 1g;9s
             3 Family Phalacrocoracidae Reichenbach, 1850 - cormorants
            Count: [*] 2g;29s; ‡1s
             4 Family Anhingidae Reichenbach, 1849 - anhingas
            Count: [*] 1g;4s