living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
                   Order Passeriformes Linnaeus, 1758
                     Suborder Tyranni - suboscines
                       Family Tyrannidae Vigors, 1825 - tyrant-flycatchers
                         2 Genus Tyrannus Lacépède, 1799
                         3 Genus Myiarchus Cabanis, 1844
                         4 Genus Contopus Cabanis, 1855
                         5 Genus Empidonax Cabanis, 1855
                         6 Genus Todirostrum Lesson, 1831
                         7 Genus Elaenia Sundevall, 1836