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 Tytonidae Mathews, 1912 - barn owls
           Subfamily Tytoninae Mathews, 1912 [monotypic]
             Genus Tyto Billberg, 1828
               Tyto capensis (A. Smith, 1834) - African grass-owl
                 1 Tyto capensis capensis (Smith, 1834)
                 2 Tyto capensis longimembris (Jerdon, 1839)
                 3 Tyto capensis chinensis Hartert, 1929
                 4 Tyto capensis pithecops (Swinhoe, 1866)
                 5 Tyto capensis amauronota (Cabanis, 1872)
                 6 Tyto capensis papuensis Hartert, 1929