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
           1 Genus †Vincelestes Bonaparte, 1986
           2.1 Genus †Euthlastus Simpson, 1927
           2.2 Genus †Paurodon Marsh, 1887
           2.3 Family †Henkelotheriidae Krebs, 1991
           2.4.1 Genus †Tathiodon Simpson, 1927
           2.4.2.1 Genus †Groebertherium Bonaparte, 1986
           2.4.2.2 Family †Dryolestidae Marsh, 1879