Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
   Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
     1 Parvclass Galloanserae Sibley, Ahlquist & Monroe Jr., 1988 see Subcohort Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
     2 Parvclass Turnicae see Order Turniciformes Huxley, 1868
     3 Parvclass Picae (C. Linnaeus, 1758) see Order Piciformes Meyer & Wolf, 1810
     4 Parvclass Coraciae see Order Coraciiformes Forbes, 1884
     5 Parvclass Coliae see Order Coliiformes Murie, 1872
     6 Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988