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 †Dryolestidae Marsh, 1879
             Subfamily †Dryolestinae Marsh, 1879
               1 Genus †Amblotherium Owen, 1871
               2.1 Genus †Laolestes Simpson, 1927
               2.2 Genus †Krebsotherium Martin, 1999
               2.3.1 †Dryolestes priscus Marsh, 1878
               2.3.2 †Dryolestes leiriensis Martin, 1999
               2.3.3 Genus †Guimarotodus Martin, 1999