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 †Dryolestoidea Butler, 1939 see Superorder Dryolestoidea Butler, 1939
               Order †Dryolestida Prothero, 1981
                 Family †Dryolestidae Marsh, 1879
                   01 Genus †Phascolestes Owen, 1871
                   02 Genus †Miccylotyrans Simpson, 1927 see Genus Amblotherium Owen, 1871
                   03 Genus †Laolestes Simpson, 1927
                   04 Genus †Amblotherium Owen, 1871
                   05 Genus †Dryolestes Marsh, 1878
                   06 Genus †Peraspalax Owen, 1871 see Genus Phascolestes Owen, 1871
                   07 Genus †Kurtodon Osborn, 1887 see Genus Phascolestes Owen, 1871
                   08 Genus †Melanodon Simpson, 1927 see Genus Laolestes Simpson, 1927
                   09 Genus †Comotherium Prothero, 1981 see Genus Amblotherium Owen, 1871
                   10 Genus †Crusafontia Henkel & Krebs, 1969
                   11 Genus †Leonardus Bonaparte, 1990
                   12 Genus †Groebertherium Bonaparte, 1986