Class Mammalia Linnaeus, 1758 - mammals
   Subclass †Allotheria Marsh, 1880
     Order †Multituberculata Cope, 1884
       Suborder †Cimolodonta McKenna, 1975
         Superfamily †Djadochtatherioidea Kielan-Jaworowska & Hurum, 1997
           Family †Djadochtatheriidae Kielan-Jaworowska & Hurum, 1997
             1 Genus †Djadochtatheriumᵀ Simpson, 1925 [monotypic]
             2 Genus †Catopsbaatar Kielan-Jaworowska, 1994 [monotypic]
             3 Genus †Kryptobaatar Kielan-Jaworowska, 1970
             4 Genus †Tombaatar Rougier, Novacek & Dashzeveg, 1997 [monotypic]