Order Strigiformes Wagler, 1830 - owls
   Family Strigidae Vigors, 1825 - owls
     Subfamily Striginae Vigors, 1825 - strange-eared owls
       1 Genus †Necrobyas Milne-Edwards, 1892
       2 Genus †Strigogyps Gaillard, 1908
       3 Genus Asio Brisson, 1760
       4 Genus Strix Linnaeus, 1758