Class Mammalia Linnaeus, 1758 - mammals
   Subclass †Allotheria Marsh, 1880
     Order †Multituberculata Cope, 1884
       Suborder †Cimolodonta McKenna, 1975
         Family †Kogaionidae Rădulescu & Samson, 1996, incertae sedis
           1 Genus †Kogaiononᵀ Rădulescu & Samson, 1996 [monotypic]
           2 Genus †Hainina Vianey-Liaud, 1979 [monotypic]