Mammaliaformes Rowe 1988, nom. cl. inval.
 see Clade Mammaliaformes Rowe 1988 [Rowe 2020]
  
 [crown] Class Mammalia Linnaeus, 1758 - mammals
    
 Subclass Theriiformes Rowe, 1988
 see Division Theriiformes Rowe, 1988
      
 Infraclass Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg, 1995
 see Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
        
 Superlegion Trechnotheria McKenna, 1975
 see Clade Trechnotheria McKenna 1975
          
 Legion Cladotheria McKenna, 1975
 see Clade Cladotheria McKenna 1975
            
 Sublegion Zatheria McKenna, 1975
 see Clade Zatheria McKenna 1975
              
 Infralegion Tribosphenida McKenna, 1975
 see Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001
                
 [crown] Supercohort Theria Parker & Haswell, 1897 - therians
 see Subclass Theria Parker & Haswell, 1897
                  
 Cohort Placentalia Owen, 1837 - placentals
                    
 Magnorder Epitheria McKenna, 1975
 see Cohort Placentalia Owen, 1837
                      
 Superorder Preptotheria McKenna, 1975
                        
 Grandorder Ferae Linnaeus, 1758
                          
 Order Carnivora Bowdich, 1821 - carnivores
                            
 Suborder Caniformia Kretzoi, 1943
                              
 Infraorder Arctoidea Flower, 1869
                                
 Parvorder Mustelida Tedford, 1976
 see Parvorder Musteloidea Kretzoi, 1929
                                  
 Family Mustelidae Batsch, 1788 - weasels, badgers, skunks, and otters
                                    
 Subfamily Mephitinae Bonaparte, 1845 - skunks
 see Family Mephitidae Bonaparte, 1845
                                      
 01 Genus †Miomephitis Dehm, 1950
                                      
 02 Genus †Plesiomeles Viret & Crusafont Pairo, 1955
                                      
 03 Genus †Nannomephitis Kretzoi, 1952
                                      
 04 Genus †Promephitis Gaudry, 1861
                                      
 05 Genus †Pliogale Hall, 1930
                                      
 06 Genus †Martinogale Hall, 1930
                                      
 07 Genus †Mesomephitis Petter, 1967
                                      
 08 Genus †Brachyopsigale Hibbard, 1954
                                      
 09 Genus †Buisnictis Hibbard, 1950
                                      
 10 Genus Mydaus Cuvier, 1821 - stink badgers
                                      
 11 Genus Spilogale Gray, 1865 - spotted skunks
                                      
 12 Genus Mephitis Geoffroy & Cuvier, 1795 - striped skunk and hooded skunk
                                      
 13 Genus Conepatus Gray, 1837 - hog-nosed skunks
                                      
 14 Genus †Brachyprotoma Brown, 1908
                                      
 15 Genus †Osmotherium Cope, 1896, nom. nud.