Clade Mammalia Linnaeus 1758 [Rowe 1988], nom. cl. inval. see Class Mammalia Linnaeus, 1758
   Clade Trechnotheria McKenna 1975
     Clade Alethinotheria Averianov, Martin & Lopatin 2013
       Clade Cladotheria McKenna 1975
         1.1 Genus †Amphitherium Blainville, 1838
         1.2.1 Genus †Palaeoxonodon Freeman, 1976
         1.2.2 Genus †Nanolestes Martin, 2002
         1.2.3 Genus †Arguimus Dashzeveg, 1979
         1.2.4.1 Genus †Amphibetulimus Lopatin & Averianov, 2007
         1.2.4.2.1 Genus †Mozomus Li, Setoguchi, Wang, Hu & Chang, 2005
         1.2.4.2.2 Clade Zatheria McKenna 1975
         2 Clade †Dryolestida Prothero 1981 see Order Dryolestida Prothero, 1981