Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Strigiformes Wagler, 1830 - owls
         Family Strigidae Vigors, 1825 - owls
           Subfamily Striginae Vigors, 1825 - strange-eared owls
             Genus Strix Linnaeus, 1758
               Strix uralensis Pallas, 1771 - Ural owl
                 01 Strix uralensis macroura Wolf, 1810
                 02 Strix uralensis liturata Lindroth, 1788
                 03 Strix uralensis uralensis Pallas, 1771
                 04 Strix uralensis yenisseensis Buturlin, 1915
                 05 Strix uralensis daurica Stegmann, 1929
                 06 Strix uralensis nikolskii (Buturlin, 1907)
                 07 Strix uralensis japonica (Clark, 1907)
                 08 Strix uralensis hondoensis (Clark, 1907)
                 09 Strix uralensis momiyamae Taka-Tsukasa, 1931
                 10 Strix uralensis fuscescens Temminck & Schlegel, 1850
                 11 Strix uralensis davidi (Sharpe, 1875)