Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         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
                     Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         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 Craniata auct.
                                             Infraphylum Vertebrata Lamarck, 1801 - vertebrates
                                               Clade Pan-Gnathostomata Downs 2020
                                                 Superclass Gnathostomataᵀ Gegenbaur, 1874 - jawed vertebrates
                                                   [crown] Clade Eugnathostomata
                                                     Clade Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
                                                       Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
                                                         Clade Pan-Sarcopterygii
                                                           Clade Sarcopterygii Romer, 1955
                                                             Clade Dipnotetrapodomorpha Nelson, 2006
                                                               Clade Rhipidistia Cope, 1887
                                                                 Clade Tetrapodomorpha Ahlberg, 1991
                                                                   Clade Osteolepidida Boulenger 1901 [Cloutier & Ahlberg 1996]
                                                                     Clade Eotetrapodiformes Coates & Friedman, 2010
                                                                       [crown] Clade Elpistostegalia Camp & Allison, 1961
                                                                         Clade Stegocephali Cope 1868 [Laurin 2020]
                                                                           Clade Labyrinthodontia Owen 1859 [Laurin 2020]
                                                                             Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
                                                                               Clade Pan-Amniota Rowe 2004 [Laurin & Smithson 2020]
                                                                                 Clade Batrachosauria
                                                                                   Clade Amniota Haeckel 1866 [Laurin & Reisz 2020]
                                                                                     Clade Synapsida Osborn 1903 [Laurin & Reisz 2020]
                                                                                       [crown] Clade Therapsida Broom 1905 [Rowe 2020]
                                                                                         Clade Theriodontia Owen, 1876
                                                                                           Clade Eutheriodontia
                                                                                             Clade Cynodontia Owen 1861 [Rowe 2020]
                                                                                               Clade Epicynodontia Hopson & Kitching 2001
                                                                                                 Clade Eucynodontia Kemp 1982 [Rowe 1993]
                                                                                                   Clade Probainognathia Hopson, 1990
                                                                                                     Clade Mammaliamorpha Rowe 1988 [Rowe 2020]
                                                                                                       Clade Mammaliaformes Rowe 1988 [Rowe 2020]
                                                                                                         Clade Amphilestheria Gaetano & Rougier 2011
                                                                                                           Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
                                                                                                             Class Mammaliaᵀ Linnaeus, 1758 - mammals
                                                                                                               ?[Ichnogenus †Ameghinichnus Casamiquela, 1961]
                                                                                                               ?[Ichnogenus †Brasilichnium Leonardi, 1981]
                                                                                                               [Grade Cloacalia]
                                                                                                               [Subclass Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg, 1995] see Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
                                                                                                               [Grade Marsupialia Jameson, 1818]
                                                                                                               [Mutica Linnaeus, 1766] see Superorder Mutica (C. Linnaeus, 1766)
                                                                                                               [Genus Pholidotus Brisson, 1762]
                                                                                                               [Pinnata Linnaeus, 1758] see Class Mammalia Linnaeus, 1758
                                                                                                               [Grade Placentalia Owen, 1837] see Cohort Placentalia Owen, 1837
                                                                                                               [Quadrupedia Linnaeus, 1758] see Class Mammalia Linnaeus, 1758
                                                                                                               [Family †Tshelkariidae Gromova, 1960, incertae sedis] see Family Didymoconidae Kretzoi, 1943
                                                                                                               [Unguiculata Linnaeus, 1766]
                                                                                                               [Ungulata Linnaeus, 1766]
                                                                                                               0 [Subclass Acrotheria Averianov & Lopatin, 2011]
                                                                                                               0 [Subclass †Apotheria Averianov & Lopatin, 2011 [paraphyletic]]
                                                                                                               0 [Subclass Mammaliaformes Rowe, 1988] see Clade Mammaliaformes Rowe 1988, nom. cl. inval.
                                                                                                               1 Subclass Prototheria Gill, 1872 [monotypic] - monotremes
                                                                                                               1.1.2.0 [Superdivision Australosphenida Luo, Cifelli & Kielan-Jaworowska, 2001] see Clade Australosphenida Luo, Cifelli & Kielan-Jaworowska 2001
                                                                                                               2 Clade Theriimorphaᵀ Rowe 1993
                                                                                                               2.0 [Superdivision Theriimorpha] see Clade Theriimorpha Rowe 1993
                                                                                                               2.2 [Subclass Eutheria Gill, 1872] see Infraclass Eutheria Gill, 1872
                                                                                                               2.2 [Subclass Metatheria Huxley, 1880] see Infraclass Metatheria Huxley, 1880
                                                                                                               2.2 [Subclass Theriiformes Rowe, 1988] see Division Theriiformes Rowe, 1988
                                                                                                               2.2.3 [Subclass Trechnotheria McKenna, 1975] see Superlegion Trechnotheria McKenna, 1975
                                                                                                               x [Order †Volaticotheria Meng, Hu, Wang, Wang & Li, 2006]