Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Procellariiformes Fürbringer, 1888
           Family Procellariidae Leach, 1820 - petrels, shearwaters
             Genus Puffinus Brisson, 1760
               01 Puffinus creatopus Coues, 1864 - pink-footed shearwater
               02 Puffinus carneipes Gould, 1844 - flesh-footed shearwater
               03 Puffinus gravis (O'Reilly, 1818) - great shearwater
               04 Puffinus pacificus (Gmelin, 1789) - wedge-tailed shearwater
               05 Puffinus bulleri Salvin, 1888 - Buller's shearwater
               06 Puffinus griseus (Gmelin, 1789) - sooty shearwater
               07 Puffinus tenuirostris (Temminck, 1836) - short-tailed shearwater
               08 Puffinus nativitatis Streets, 1877 - Kiritimati shearwater
               09 Puffinus mauretanicus Lowe, 1921 - Balearic shearwater
               10 Puffinus opisthomelas Coues, 1864 - black-vented shearwater
               11 Puffinus auricularis Townsend, 1890 - Townsend's shearwater
               12 Puffinus puffinus (Brünnich, 1764) - Manx shearwater
               13 Puffinus huttoni Mathews, 1912 - Hutton's shearwater
               14 Puffinus gavia (Forster, 1844) - fluttering shearwater
               15 Puffinus heinrothi Reichenow, 1919 - Heinroth's shearwater see Puffinus lherminieri heinrothi Reichenow, 1919
               16 Puffinus lherminieri Lesson, 1839 - Audubon's shearwater
               17 Puffinus assimilis Gould, 1838 - little shearwater