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 novaehollandiae (Stephens, 1826) - Australian masked-owl
                 1 Tyto novaehollandiae calabyi Mason, 1983 - New Guinea masked-owl
                 2 Tyto novaehollandiae kimberli Mathews, 1912
                 3 Tyto novaehollandiae melvillensis Mathews, 1912
                 4 Tyto novaehollandiae galei Mathews, 1914
                 5 Tyto novaehollandiae novaehollandiae (Stephens, 1826) - Australian masked-owl
                 6 Tyto novaehollandiae castanops (Gould, 1837)