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] Passeriformes Linnaeus, 1758 suboscines see Suborder Suboscines Tyranni see Suborder Tyranni Family Tyrannidae Vigors, 1825 - tyrant-flycatchers Genus Ramphotrigon G.R. Gray, 1855 1 Ramphotrigon megacephalum (Swainson, 1836) 2 Ramphotrigon ruficauda (Spix, 1825) - rufous-tailed flatbill 3 Ramphotrigon fuscicauda Chapman, 1925 - dusky-tailed flatbill