[organisms]
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Eukaryotes
see Domain Eukaryota Chatton, 1925
Metazoa Haeckel 1874 - multicellular animals
see Kingdom Animalia Linnaeus, 1758
Bilateria Hatschek, 1888 - bilaterians
see Subkingdom Bilateria Hatschek, 1888
Deuterostomia Grobben, 1908 - deuterostomes
see Infrakingdom Deuterostomia Grobben, 1908
Phylum Chordata Bateson, 1885 - chordates
Subphylum Vertebrata Cuvier, 1812 - vertebrates
Infraphylum Gnathostomata Gegenbaur, 1874 - jawed vertebrates
see Superclass Gnathostomata Gegenbaur, 1874
Class Osteichthyes Huxley, 1880 - bony fishes
see [unranked] Euteleostomi
Subclass Sarcopterygii Romer, 1955
see Clade Sarcopterygii Romer, 1955
Infraclass Crossopterygii Huxley, 1861
Infraclass Tetrapodomorpha Ahlberg, 1991
see [unranked] Tetrapodomorpha Ahlberg, 1991
Superorder Osteolepidida Boulenger, 1901
see [unranked] Osteolepidimorpha
Superclass Tetrapoda Goodrich, 1930 - tetrapods
see Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
Class Unnamed
Superorder Reptiliomorpha Säve-Söderbergh, 1934
see [unranked] Reptiliomorpha Säve-Söderbergh, 1934
Batrachosauria
Series Amniota Haeckel, 1866
see Clade Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988]
Class Sauropsida Huxley, 1864
see Clade Reptilia Linnaeus 1758 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.
Subclass Diapsida Osborn, 1903 - diapsids
see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
Neodiapsida Benton 1985
Infraclass Archosauromorpha Huene, 1946
see Clade Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval.
Division Archosauria Cope, 1869
see Clade Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.
Avesuchia Benton, 1999
see Clade Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.
Subdivision Avemetatarsalia Benton, 1999
see Clade Avemetatarsalia Benton 1999
Infradivision Ornithodira Gauthier, 1986
see Clade Ornithodira Gauthier 1986
Dinosauromorpha Benton 1985 [Sereno 1991], nom. cl. inval.
see Clade Dinosauromorpha Benton 1985 [M. Ezcurra, S. Nesbitt, M. Bronzati, F. Dalla Vecchia, F. Agnolin, R. Benson, ..., M. Langer 2020]
Dinosauriformes Novas 1992, nom. cl. inval.
see Clade Dinosauriformes Novas 1992 [M. Ezcurra, S. Nesbitt, M. Bronzati, F. Dalla Vecchia, F. Agnolin, R. Benson, ..., M. Langer 2020]
Superorder Dinosauria Owen, 1841 - dinosaurs
see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]
Order Saurischia Seeley, 1887
see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
Suborder Theropoda Marsh, 1881
see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
Infraorder Tetanurae Gauthier, 1986
see Clade Tetanurae Gauthier 1986
Division Coelurosauria Huene, 1914
see Clade Coelurosauria Huene 1914 [Gauthier 1986]
Subdivision Maniraptoriformes Holtz, 1996
see Clade Maniraptoriformes Holtz 1995 [Holtz 1996]
Infradivision Maniraptora Gauthier, 1986
see Clade Maniraptora Gauthier 1986
Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Subclass Pygostylia Chiappe, 2002
see Clade Pygostylia Chatterjee 1997 [Chiappe 2001]
Infraclass Ornithothoraces Chiappe, 1995
see Clade Ornithothoraces Chiappe 1995
Supercohort Ornithomorpha nom. null.
see Supercohort Ornithuromorpha Chiappe, 2002
Cohort Ornithurae Haeckel, 1866
see Clade Ornithurae Haeckel 1866 [Gauthier 1986] {Chiappe 1991}
Subcohort Carinatae Merrem, 1813
see Clade Carinatae Merrem 1813 [Gauthier & de Queiroz 2001]
Superdivision Neornithes Gadow, 1893
see Subclass Neornithes Gadow, 1893
Division Neognathae Pycraft, 1900
see Cohort Neognathae Pycraft, 1900
Subdivision Neoaves Sibley et al., 1988
see Subcohort Neoaves Sibley et al., 1988
Superorder "higher land birds"
see Section Anomalogonates Garrod, 1874
1 Order Piciformes Meyer & Wolf, 1810 - scansorial birds
2.1 Order Coliiformes Murie, 1872 - mousebirds
2.2 Order Trogoniformes Wetmore & Miller, 1926 - trogons
2.3 Order Bucerotiformes Fürbringer, 1888
see Infraorder Bucerotides Fürbringer, 1888
2.4 Order Coraciiformes Forbes, 1884 - rollerlike birds
3 Order Passeriformes Linnaeus, 1758