Phylum [Vertebrata] Lamarck, 1801 see Infraphylum Vertebrata Lamarck, 1801
   Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theria Parker & Haswell, 1897
       Infraclass Eutheria Gill, 1872
         Cohort Epitheria McKenna, 1975
           Superorder Insectivora Bowdich, 1821
             Order †Leptictida McKenna, 1975
               Family †Pseudorhyncocyonidae Sigé, 1974
                 1 Genus †Leptictidium Tobien, 1962