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 Strigiformes Wagler, 1830 - owls
                   Family Strigidae Vigors, 1825 - owls
                     Subfamily Striginae Vigors, 1825 - strange-eared owls
                       1 Genus Strix Linnaeus, 1758
                       2 Genus Rhinoptynx Kaup, 1851 see Genus Asio Brisson, 1760
                       3 Genus Asio Brisson, 1760
                       4 Genus Pseudoscops Kaup, 1848
                       5 Genus Nesasio J.L. Peters, 1937
                       6 Genus Aegolius Kaup, 1829