Mammaliaformes Rowe 1988
   [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 Marsupialia Jameson, 1818 - marsupials
                     Magnorder Ameridelphia Szalay, 1982 see Clade Ameridelphia Szalay 1982
                       Order †Sparassodonta Ameghino, 1894
                         Family †Borhyaenidae Ameghino, 1894
                           Subfamily †Borhyaeninae Ameghino, 1894 see Family Borhyaenidae Ameghino, 1894
                             01 Genus †Nemolestes Ameghino, 1902
                             02 Genus †Argyrolestes Ameghino, 1902
                             03 Genus †Angelocabrerus Simpson, 1970
                             04 Genus †Pharsophorus Ameghino, 1897
                             05 Genus †Borhyaena Ameghino, 1887
                             06 Genus †Pseudoborhyaena Ameghino, 1902
                             07 Genus †Acrocyon Ameghino, 1887
                             08 Genus †Conodonictis Ameghino, 1891
                             09 Genus †Eutemnodus Bravard, 1858
                             10 Genus †Parahyaenodon Ameghino, 1904