Class Mammalia Linnaeus, 1758 - mammals
   Subclass †Allotheria Marsh, 1880
     Order †Multituberculata Cope, 1884
       Suborder †Cimolodonta McKenna, 1975
         01 †Paracimexomys group incertae sedis
         02 Superfamily †Djadochtatherioidea Kielan-Jaworowska & Hurum, 1997
         03 Family †Cimolomyidae Marsh, 1889, incertae sedis
         04 Family †Eucosmodontidae Jepsen, 1940, incertae sedis
         05 Family †Microcosmodontidae Holtzman & Wolberg, 1977, incertae sedis
         06 Superfamily †Taeniolabidoidea Granger & Simpson, 1929 [monotypic]
         07 Family †Kogaionidae Rădulescu & Samson, 1996, incertae sedis
         08 Genus †Uzbekbaatar Kielan-Jaworowska & Nessov, 1992, incertae sedis
         09 Genus †Viridomys Fox, 1971, incertae sedis [monotypic]
         10 Superfamily †Ptilodontoidea Gregory & Simpson, 1926 (1887)