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 Procellariiformes Fürbringer, 1888
        Count: [*] 4f;24g;109s; ‡1s
           Family Hydrobatidae Mathews, 1912 - storm petrels see Family Oceanitidae Forbes, 1882
          Count: [*] 8g;20s; ‡1s
             Genus Oceanodroma Reichenbach, 1853
            Count: [*] 11s; ‡1s
               Oceanodroma hornbyi (Gray, 1854) - Hornby's storm petrel
              Count: -