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 Pseudotriccus Taczanowski & Berlepsch, 1885
                 1 Pseudotriccus pelzelni Taczanowski & Berlepsch, 1885 - bronze-olive pygmy-tyrant
                 2 Pseudotriccus simplex (Berlepsch, 1901) - hazel-fronted pygmy-tyrant
                 3 Pseudotriccus ruficeps (Lafresnaye, 1843) - rufous-headed pygmy-tyrant