Neornithes Gadow, 1893 - living birds
Ref: J. Cracraft et al., 2003: 16; Count: [s] 23o;193f;2136g;9595s;8ss; ‡1f;26g;131s
   Neornithes Gadow, 1893 - living birds
  Ref: J. Cracraft et al., 2003: 16; Count: [s] 23o;193f;2136g;9595s;8ss; ‡1f;26g;131s
     Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
    Ref: J. Cracraft et al., 2003: 16; Count: [s] 23o;187f;2121g;9539s; ‡1f;26g;128s
       Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
      Ref: J. Cracraft et al., 2003: 16; Count: [s] 23o;187f;2121g;9539s; ‡1f;26g;128s
         Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
        Ref: J. Cracraft et al., 2003: 16; Count: [*] 21o;179f;1992g;9095s; ‡1f;23g;120s
           Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
          Ref: J. Cracraft et al., 2003: 16; Count: [*] 21o;179f;1992g;9095s; ‡1f;23g;120s
             [Order] Procellariiformes Fürbringer, 1888
            Ref: J. Cracraft et al., 2003: 17 [inferred rank]; Count: [*†*] 4f;26g;107s;99ss; ‡5s;1ss
               Family Procellariidae Leach, 1820 - petrels, shearwaters
              Ref: E.C. Dickinson, 2003: [22], 73 [implicit position]; Count: [*†*] 14g;70s;54ss; ‡4s;1ss
                 Genus Pterodroma Bonaparte, 1856
                Ref: E.C. Dickinson, 2003: 74; Count: [*†*] 29s;12ss; ‡1s;1ss
                   01 Pterodroma macroptera (Smith, 1840) - great-winged petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: [*] 2ss
                   02 Pterodroma lessonii (Garnot, 1826) - white-headed petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   03 Pterodroma incerta (Schlegel, 1863) - Atlantic petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   04 Pterodroma solandri (Gould, 1844) - providence petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   05 Pterodroma magentae (Giglioli & Salvadori, 1869) - magenta petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   06 Pterodroma ultima Murphy, 1949 - Murphy's petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   07 Pterodroma mollis (Gould, 1844) - soft-plumaged petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   08 Pterodroma madeira Mathews, 1934 - Madeira petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   09 Pterodroma feae (Salvadori, 1899) - Cape Verde petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   10 Pterodroma cahow (Nichols & Mowbray, 1916) - Bermuda petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   11 Pterodroma hasitata (Kuhl, 1820) - black-capped petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: [*†*] 1ss; ‡1ss
                   12 Pterodroma externa (Salvin, 1875) - Juan Fernandez petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   13 Pterodroma occulta Imber & Tennyson, 2001 - Vanuatu petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   14 Pterodroma neglecta (Schlegel, 1863) - Kermadec petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: [*] 2ss
                   15 ‡?Pterodroma phillipii Gray, 1862 - Mount Pitt petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   16 Pterodroma arminjoniana (Giglioli & Salvadori, 1869) - herald petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: [*] 2ss
                   17 Pterodroma atrata (Mathews, 1912) - Henderson petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   18 Pterodroma alba (Gmelin, 1789) - Phoenix petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   19 Pterodroma baraui (Jouanin, 1964) - Barau's petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   20 Pterodroma phaeopygia (Salvin, 1876) - dark-rumped petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: [*] 2ss
                   21 Pterodroma inexpectata (Forster, 1844) - mottled petrel
                  Ref: E.C. Dickinson, 2003: 74; Count: -
                   22 Pterodroma cervicalis (Salvin, 1891) - white-necked petrel
                  Ref: E.C. Dickinson, 2003: 75; Count: -
                   23 Pterodroma nigripennis (Rothschild, 1893) - black-winged petrel
                  Ref: E.C. Dickinson, 2003: 75; Count: -
                   24 Pterodroma axillaris (Salvin, 1893) - Chatham Islands petrel
                  Ref: E.C. Dickinson, 2003: 75; Count: -
                   25 Pterodroma hypoleuca (Salvin, 1888) - Bonin Islands petrel
                  Ref: E.C. Dickinson, 2003: 75; Count: -
                   26 Pterodroma leucoptera (Gould, 1844) - Gould's petrel
                  Ref: E.C. Dickinson, 2003: 75; Count: [*] 3ss
                   27 Pterodroma cookii (Gray, 1843) - Cook's petrel
                  Ref: E.C. Dickinson, 2003: 75; Count: -
                   28 Pterodroma defilippiana (Giglioli & Salvadori, 1869) - Masatierra petrel
                  Ref: E.C. Dickinson, 2003: 75; Count: -
                   29 Pterodroma longirostris (Stejneger, 1893) - Stejneger's petrel
                  Ref: E.C. Dickinson, 2003: 75; Count: -
                   30 Pterodroma pycrofti Falla, 1933 - Pycroft's petrel
                  Ref: E.C. Dickinson, 2003: 75; Count: -