Class Mammalia Linnaeus, 1758 - mammals
   Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001 - tribotherians see Clade Boreosphenida Luo, Cifelli & Kielan-Jaworowska 2001
     Infraclass Eutheria Gill, 1872
       Magnorder Epitheria McKenna, 1975 see Cohort Placentalia Owen, 1837
         Superorder †Asioryctitheria Novacek, Rougier, Wible, McKenna, Dashzeveg & Horovitz, 1997 see Order Asioryctitheria Novacek, Rougier, Wible, McKenna, Dashzeveg & Horovitz, 1997
           Family †Kennalestidae Kielan-Jaworowska, 1981 see Family Gypsonictopidae Van Valen, 1967
             1 Genus †Kennalestes Kielan-Jaworowska, 1968
             2 ?Genus †Sailestes Nessov, 1982 [monotypic] see Genus Paranyctoides Fox, 1979