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
                                                                                                              
 Clade Theriimorphaᵀ Rowe 1993
                                                                                                                
 Clade Theriiformesᵀ Rowe 1988
                                                                                                                  
 Clade Trechnotheriaᵀ McKenna 1975
                                                                                                                    
 Clade Cladotheriaᵀ McKenna 1975
                                                                                                                      
 Clade Zatheriaᵀ McKenna 1975
                                                                                                                        
 Clade Prototribosphenidaᵀ Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
                                                                                                                          
 Clade Boreosphenidaᵀ Luo, Cifelli & Kielan-Jaworowska 2001
                                                                                                                            
 Subclass Theriaᵀ Parker & Haswell, 1897
                                                                                                                              
 Infraclass Eutheria Gill, 1872
                                                                                                                                
 Cohort Placentalia Owen, 1837 - placentals
                                                                                                                                  
 Magnorder Boreoeutheria Springer & de Jong, 2001
                                                                                                                                    
 Superorder Laurasiatheria Waddell, Okada & Hasegawa, 1999
                                                                                                                                      
 [crown] Clade Scrotifera Waddell, Cao, Hauf & Hasegawa 1999
                                                                                                                                        
 [crown] Clade Fereuungulata Waddell, Cao, Hauf & Hasegawa 1999
                                                                                                                                          
 [crown] Grandorder Euungulata Waddell, Kishino & Ota, 2001
                                                                                                                                            
 Order Perissodactyla Owen, 1848 - odd-toed ungulates
                                                                                                                                              
 Suborder Hippomorpha Wood, 1937
                                                                                                                                                
 Superfamily †Brontotherioidea Marsh, 1873
                                                                                                                                                  
 Family †Brontotheriidaeᵀ Marsh, 1873
                                                                                                                                                    
 Subfamily †Brontotheriinaeᵀ Marsh, 1873
                                                                                                                                                      
 Genus †Duchesneodus Lucas & Schoch, 1982