Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Strigimorphae see Superorder Falconimorphae Seebohm, 1890
           Order Strigiformes Wagler, 1830 - owls
             Suborder Aegotheli Sibley et al., 1988
               Family Aegothelidae Bonaparte, 1853 - owlet-nightjars
                 Genus Aegotheles Vigors & Horsfield, 1826 - Australian owlet-nightjar
                   1 Aegotheles crinifrons (Bonaparte, 1850) - long-whiskered owlet-nightjar see Euaegotheles crinifrons (Bonaparte, 1850)
                   2 Aegotheles insignis Salvadori, 1876 - feline owlet-nightjar see Euaegotheles insignis (Salvadori, 1875)
                   3 Aegotheles cristatus (Shaw, 1790) - Australian owlet-nightjar
                   4 Aegotheles savesi Layard & Layard, 1881 - New Caledonian owlet-nightjar
                   5 Aegotheles bennettii Salvadori & D'Albertis, 1875 - barred owlet-nightjar
                   6 Aegotheles wallacii G.R. Gray, 1859 - Wallace's owlet-nightjar
                   7 Aegotheles archboldi Rand, 1941 - Archbold's owlet-nightjar
                   8 Aegotheles albertisi P.L. Sclater, 1874 - mountain owlet-nightjar