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
         Clade †Dryolestida Prothero 1981 see Order Dryolestida Prothero, 1981
           Family †Henkelotheriidae Krebs, 1991
             1 Genus †Henkelotherium Krebs, 1991
             2 Genus †Drescheratherium Krebs, 1998