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 virgata (Cassin, 1849) - mottled owl
                 1 Strix virgata squamulata (Bonaparte, 1850)
                 2 Strix virgata tamaulipensis Phillips, 1911
                 3 Strix virgata centralis (Griscom, 1929)
                 4 Strix virgata virgata (Cassin, 1849)
                 5 Strix virgata macconnelli (Chubb, 1916)
                 6 Strix virgata superciliaris (Pelzeln, 1863)
                 7 Strix virgata borelliana (Bertoni, 1901)