Mammaliaformes Rowe 1988
   [crown] Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theriiformes Rowe, 1988 see Division Theriiformes Rowe, 1988
       Infraclass †Allotheria Marsh, 1880 see Clade Allotheria Marsh 1880
         Order †Multituberculata Cope, 1884
           Suborder †Cimolodonta McKenna, 1975
             Superfamily †Ptilodontoidea Gregory & Simpson, 1926 (1887)
               Family †Ptilodontidae Gregory & Simpson, 1926 (1887)
                 Subfamily †Neoplagiaulacinae Ameghino, 1890 see Family Neoplagiaulacidae Ameghino, 1890
                   01 Genus †Mesodma Jepsen, 1940
                   02 Genus †Parectypodus Jepsen, 1930
                   03 Genus †Neoplagiaulax Lemoine, 1882
                   04 Genus †Cernaysia Vianey-Liaud, 1986
                   05 Genus †Krauseia Vianey-Liaud, 1986
                   06 Genus †Xyronomys Rigby, 1980
                   07 Genus †Xanclomys Rigby, 1980
                   08 Genus †Ectypodus Matthew & Granger, 1921
                   09 Genus †Mimetodon Jepsen, 1940
                   10 Genus †Mesodmops Tong & Wang, 1994