Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Passerae see Superorder Passerimorphae Sibley et al., 1988
         Passerimorphae Sibley et al., 1988
           Ciconiiformes Bonaparte, 1854
             Ciconii see Suborder Ciconiae Bonaparte, 1854
               Ciconiides see Suborder Ciconiae Bonaparte, 1854
                 Ciconiida see Suborder Ciconiae Bonaparte, 1854
                   Procellarioidea Fürbringer, 1888
                     Procellariidae Leach, 1820 - petrels, shearwaters
                       Procellariinae Vigors, 1825 see Family Procellariidae Leach, 1820
                         01 Macronectes Richmond, 1905
                         02 Fulmarus Stephens, 1826
                         03 Thalassoica Reichenbach, 1853
                         04 Daption Stephens, 1826
                         05 Pagodroma Bonaparte, 1856
                         06 Pterodroma Bonaparte, 1856
                         07 Halobaena Bonaparte, 1856
                         08 Pachyptila Illiger, 1811
                         09 Bulweria Bonaparte, 1843
                         10 Procellaria Linnaeus, 1758
                         11 Calonectris Mathews & Iredale, 1915
                         12 Puffinus Brisson, 1760
                         13 Pelecanoides Lacépède, 1799