Class Mammalia Linnaeus, 1758 - mammals
Count: [*†*] 5o; †16o;76f;282g;438s
   Subclass †Allotheria Marsh, 1880
  Count: [†*] †2o;23f;81g;133s [16 Mar 2022]
     Order †Multituberculata Cope, 1884
    Count: [†*] †19f;76g;125s [14 Mar 2022]
       Suborder †Cimolodonta McKenna, 1975
      Count: [†*] †10f;39g;68s [16 Mar 2022]
         Superfamily †Djadochtatherioidea Kielan-Jaworowska & Hurum, 1997
        Count: [†*] †2f;10g;11s [14 Mar 2022]
           Family †Sloanbaataridae Kielan-Jaworowska, 1974
          Count: [†*] †3g;3s [14 Mar 2022]
             Genus †Nessovbaatar Kielan-Jaworowska & Hurum, 1997 [monotypic]
            Count: [†*] †1s [14 Mar 2022]
               †Nessovbaatar multicostatus Kielan-Jaworowska & Hurum, 1997
              Count: -