Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     [crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       [crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         [crown] Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       Infrakingdom Deuterostomia Grobben, 1908
                                         Phylum Chordata Bateson, 1885 - chordates
                                           Subphylum Vertebrata Cuvier, 1812 - vertebrates
                                             Myopterygii - myopterygians
                                               Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
                                                 Grade Teleostomi Bonaparte, 1836
                                                   Euteleostomi - bony vertebrates
                                                     Clade Sarcopterygii Romer, 1955
                                                       [crown] Rhipidistia Cope, 1887
                                                         Clade Tetrapodomorpha Ahlberg, 1991
                                                           Clade Osteolepidimorpha
                                                             Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
                                                               [crown] Clade Neotetrapoda
                                                                 Clade 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 Avialae Gauthier, 1986] see Clade Avialae Gauthier 1986
                                                                           [Infraclass Aves Linnaeus, 1758] see Subclass Aves Linnaeus, 1758
                                                                             1 [Parvclass †Palaeoaves Livezey & Zusi, 2007] see Class Aves Linnaeus, 1758
                                                                             2.1 [Parvclass †Ornithurae Haeckel, 1866] see Clade Ornithurae Haeckel 1866 [Gauthier 1986] {Chiappe 1991}
                                                                             2.2.1 [Parvclass †Eoaves Sibley et al., 1988] see Cohort Palaeognathae Pycraft, 1900
                                                                             2.2.2 [Parvclass Neornithes Gadow, 1893] see Subclass Neornithes Gadow, 1893