Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Passerae see Superorder Passerimorphae Sibley et al., 1988
         Passerimorphae Sibley et al., 1988
           Passeriformes Linnaeus, 1758
             Tyranni - suboscines
               Tyrannides Sibley et al., 1988
                 Tyrannida Wetmore & Miller, 1926
                   Tyrannidae Vigors, 1825 - tyrant-flycatchers
                     Tyranninae see Family Tyrannidae Vigors, 1825
                       Zimmerius Traylor, 1977
                         Zimmerius viridiflavus (Tschudi, 1844) - Peruvian tyrannulet