Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Order Procellariiformes Fürbringer, 1888
                   Family Procellariidae Leach, 1820 - petrels, shearwaters
                     Subfamily Procellariinae Vigors, 1825 see Family Procellariidae Leach, 1820
                       Genus Puffinus Brisson, 1760
                         1 Puffinus puffinus (Brünnich, 1764) - Manx shearwater
                         2 Puffinus tenuirostris (Temminck, 1836) - short-tailed shearwater
                         3 Puffinus griseus (Gmelin, 1789) - sooty shearwater
                         4 Puffinus gravis (O'Reilly, 1818) - great shearwater
                         5 Puffinus carneipes Gould, 1844 - flesh-footed shearwater
                         6 Puffinus diomedea (Scopoli, 1769) see Calonectris diomedea (Scopoli, 1769)