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 Charadriiformes Huxley, 1867 - shorebirds, gulls, auks
                   Suborder Alcae Sharpe - auks see Superfamily Laroidea Vigors, 1825
                     Family Alcidae Vigors, 1825 - auks
                       Genus Endomychura Oberholser, 1899 see Genus Synthliboramphus Brandt, 1837
                         Endomychura hypoleucos (Xantus, 1859) see Brachyramphus hypoleucos