Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758 Order Caprimulgiformes Ridgway, 1881 - nightjars Family Aegothelidae Bonaparte, 1853 - owlet-nightjars