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
                                                                                                                      
 Superorder †Dryolestoideaᵀ Butler, 1939
                                                                                                                        
 Order †Dryolestidaᵀ Prothero, 1981
                                                                                                                          
 Family †Dryolestidaeᵀ Marsh, 1879
                                                                                                                            
 Subfamily †Dryolestinaeᵀ Marsh, 1879
                                                                                                                              
 1 Genus †Guimarotodus Martin, 1999 [monotypic]
                                                                                                                              
 2 Genus †Dryolestesᵀ Marsh, 1878