Class Mammalia Linnaeus, 1758 - mammals
   Subclass †Allotheria Marsh, 1880
     Order †Multituberculata Cope, 1884
       Suborder †Cimolodonta McKenna, 1975
         †Paracimexomys group incertae sedis
           ?Genus †Cimexomys Sloan & Van Valen, 1965
             1 †Cimexomys minorᵀ Sloan & Van Valen, 1965
             2 †Cimexomys antiquus Fox, 1971
             3 †Cimexomys magnus Sahni, 1972
             4 †Cimexomys judithae Sahni, 1972
             5 †Cimexomys gratus (Jepsen, 1930)
             6 ?†Cimexomys gregoryi Eaton, 1993