Class Aves Linnaeus 1758 Avea 



Subclass *Archaeornithes Cope 1898 *Archaeornithia 



Order *Archaeopterygi formes Fiirbringer 



1888 *Archaeopterygida 



Subclass Neornithes Rej'nolds 1897 Neornithia 



Superorder *Odontognathae Marsh 1873 *Odontognatha 



Order *Hesperomithiformes Marsh 1872 *Hesperornithida 



Order *Ichthyornithiformes Marsh 1873 *Ichthyornithida 



Superorder Palaeognathae Pycraft 1910 Palaeognathea 



Order Struthioni formes Haeckel 1866 Struthionida 



Order Rhei formes Newton 1884 Rheida 



Order Casuariiformes Sclater 1880 Casuariida 



Order Dinornithidae Stejneger 1884 Dinornithida 



Order Aepyornithiformes Newton 1884 Aepyornithida 



Order Apterygi formes Sclater 1880 Apterygida 



Order Tinamiformes Gray 1840 Tinamida 



Superorder Impennes lUiger 1811 Impennea 



Order Sphenisci formes Viellot 1818 Spheniscida 



Superorder Neognathae Pycraft 1896 Neognathea 



Order Gaviiformes Brandt 1839 Gaviida 



Order Procellariiformes Wagner 1843 Procellariida 



Order Pelecani formes Stejneger 1885 Pelecanida 



Suborder Phaethontes Gray 1840 Phaethontina 



Suborder Pelecani Owen 1856 Pelecanina 



Suborder Fregatae Vigors 1830 Fregatina 



Suborder Odontopteryges Lydekker 1892 Odontopterygina 



Order Ciconiiformes Owen 1832 Ciconiida 



Suborder Ardeae Wagler 1830 Ardina 



Suborder Balaenicipites Balaenicipitina 



Suborder Ciconiae Bonaparte 1834 Ciconina 



Suborder Phoenicopteri Bonaparte 1831 Phoenicopterina 



Order Anseriformes Swainson 1837 Anserida 



Suborder Anhimae Anhimina 



Suborder Anseres Linnaeus 1735 Anserina 



Order Falconi formes Naumann 1822 Falconida 



Suborder Cathartidae Lafresnaye 1829 Cathartina 



Suborder Falcones Naumann 1822 Falconina 



Order Galliformes Latreille 1825 Gallida 



Suborder Galli Dumeril 1806 Gallina 



Suborder Opisthocomi Gray 1840 Opisthocomina 



Order Gruiformes Stejneger 1885 Gruida 



Suborder Mesoenatides Lowe 1924 Mesoenatidina 



Suborder Turnices Gray 1840 Turnicina 



Suborder Grues Owen 1856 Gruina 



Suborder Heliornithes Gray 1840 Heliornithina 



Suborder Rhynocheti Rhynochetina 



Suborder Eurypygae Eurypygina 



Suborder Phororhaci Lydekker 1893 Phororhacina 



Suborder Cariamae Cariamina 



Su1)ordcr Otides Wagler 1830 Otidina 



Order Diatrymif ormes Cope 1877 Diatrymida 



I ?7 I 



