Neornithes Gadow, 1893 - living birds Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900 Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988 [Order] Gruiformes Bonaparte, 1854 Family Psophiidae Bonaparte, 1831 [monotypic] - trumpeters Genus Psophia Linnaeus, 1758 1 Psophia crepitans Linnaeus, 1758 - grey-winged trumpeter 2 Psophia leucoptera Spix, 1825 - pale-winged trumpeter 3 Psophia viridis Spix, 1825 - dark-winged trumpeter