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 Elaenia Sundevall, 1836
                 01 Elaenia flavogaster (Thunberg, 1822) - yellow-bellied elaenia
                 02 Elaenia martinica (C. Linnaeus, 1766) - Caribbean elaenia
                 03 Elaenia spectabilis Pelzeln, 1868 - large elaenia
                 04 Elaenia ridleyana Sharpe, 1888 - Noronha elaenia
                 05 Elaenia albiceps (d'Orbigny & Lafresnaye, 1837) - white-crested elaenia
                 06 Elaenia parvirostris Pelzeln, 1868 - small-billed elaenia
                 07 Elaenia mesoleuca (Deppe, 1830) - olivaceous elaenia
                 08 Elaenia strepera Cabanis, 1883 - slaty elaenia
                 09 Elaenia gigas P.L. Sclater, 1871 - mottle-backed elaenia
                 10 Elaenia pelzelni Berlepsch, 1907 - brownish elaenia
                 11 Elaenia cristata Pelzeln, 1868 - plain-crested elaenia
                 12 Elaenia chiriquensis Lawrence, 1865 - lesser elaenia
                 13 Elaenia ruficeps Pelzeln, 1868 - rufous-crowned elaenia
                 14 Elaenia frantzii Lawrence, 1865 - mountain elaenia
                 15 Elaenia obscura (d'Orbigny & Lafresnaye, 1837) - highland elaenia
                 16 Elaenia dayi Chapman, 1929 - great elaenia
                 17 Elaenia pallatangae P.L. Sclater, 1861 - Sierran elaenia
                 18 Elaenia fallax P.L. Sclater, 1861 - Greater Antillean elaenia