Class Mammalia Linnaeus, 1758 - mammals
   †"Symmetrodontans" Simpson, 1925, incertae sedis see Infraclass Symmetrodonta Simpson, 1925
     Superlegion Trechnotheria McKenna, 1975 see Clade Trechnotheria McKenna 1975
       Family †Spalacotheriidae Marsh, 1887
         Genus †Zhangheotherium Hu et al., 1997, incertae sedis [monotypic]
           1 †Zhangheotherium quinquecuspidens Hu, Wang, Luo & Li, 1997