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 Cuculimorphae Sibley et al., 1988 1 Order Cuculiformes Wagler, 1830 - cuckoos and plantain-eaters