Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758 Order Strigiformes Wagler, 1830 - owls Family Strigidae Vigors, 1825 - owls Family Tytonidae Mathews, 1912 - barn owls