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 Asioninae
             Genus Asio Brisson, 1760
               1 Asio stygius (Wagler, 1832) - stygian owl
               2 Asio otus (C. Linnaeus, 1758) - long-eared owl
               3 Asio abyssinicus (Guérin-Méneville, 1843) - Abyssinian owl
               4 Asio madagascariensis (A. Smith, 1834) - Madagascar owl
               5 Asio flammeus (Pontoppidan, 1763) - short-eared owl
               6 Asio capensis (A. Smith, 1834) - marsh owl