Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Eutheria Gill, 1872 see Infraclass Eutheria Gill, 1872
                 Order Insectivora Bowdich, 1821 - insectivores see Superorder Insectivora Bowdich, 1821
                   Superfamily Macroscelidoidea see Mirorder Macroscelidea Butler, 1956
                     Family Macroscelididae Bonaparte, 1838 - elephant-shrews
                       Genus Petrodromus Peters, 1846 - forest elephant shrew
                         Petrodromus tetradactylus Peters, 1846 - four-toed elephant-shrew