 Natura - nature | | Mundus Plinius - physical world | | Naturalia | | Biota | | Domain Eukaryota - eukaryotes | | Kingdom Animalia C. Linnaeus, 1758 - animals | | Subkingdom Bilateria (Hatschek, 1888) Cavalier-Smith, 1983 - bilaterians | | Branch Deuterostomia Grobben, 1908 - deuterostomes | | Infrakingdom Chordonia (Haeckel, 1874) Cavalier-Smith, 1998 | | Phylum Chordata Bateson, 1885 - chordates | | Subphylum Vertebrata Cuvier, 1812 - vertebrates | | Infraphylum Gnathostomata auct. - jawed vertebrates | | Superclass Tetrapoda Goodrich, 1930 - tetrapods | | Series Amniota |  [Class Aves C. Linnaeus, 1758 - birds] see Infraclass Aves (C. Linnaeus, 1758) |  [Order Accipitres C. Linnaeus, 1758] see Suborder Accipitres (C. Linnaeus, 1758) | | [Order Anseres C. Linnaeus, 1758] see Suborder Anseres (C. Linnaeus, 1758) Wagler, 1831 | | [Order †Caenagnathiformes] | | [Order Gallinae C. Linnaeus, 1758] | | [Order Grallae C. Linnaeus, 1758] |  [Genus Leptopus Fraser, 1845, nom. praeocc.] | | Order †Limnornithiformes | | Order †Longirostravisiformes Z. Zhou & F. Zhang, 2006 | | [Order Passeres C. Linnaeus, 1758] see Suborder Passeres (C. Linnaeus, 1758) C. Linnaeus, 1766 | | [Order Picae C. Linnaeus, 1758] see Parvclass Picae (C. Linnaeus, 1758) | | Order †Praeornithiformes | | Family †Ptenopodiscidae | | Order †Sinosauropterygiformes | | Order †Yandangithformes | | [Subclass †Archaeornithes Gadow, 1893] see Superorder Archaeornithes Gadow, 1893 | | [Subclass †
"Archeornithes"
] see Subclass Archaeornithes Gadow, 1893 | | [Subclass †Sauriurae Haeckel, 1866] see Subclass Archaeornithes Gadow, 1893 | | [Subclass Neornithes Gadow, 1893] see Superdivision Neornithes | | [Subclass †Odontoholcae (Marsh, 1875) Stejneger, 1885] see Cohort Ornithurae (Haeckel, 1866) | | [Subclass Ornithurae Haeckel, 1866] see Cohort Ornithurae (Haeckel, 1866) | | [Genus †Rahona Forster et al., 1998, nom. praeocc.] see Genus Rahonavis Forster et al., 1998, nom. nov. | | [Subclass Pygostylia] see Infraclass Aves (C. Linnaeus, 1758) |
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