Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Vertebrata Cuvier, 1812 - vertebrates
       Class Mammalia Linnaeus, 1758 - mammals
         Grandorder Archonta Gregory, 1910
           Mirorder Primatomorpha Beard, 1991
             Order †Plesiadapiformes Simons & Tattersall, 1972 see Suborder Plesiadapiformes Simons & Tattersall, 1972
               Superfamily †Plesiadapoidea Trouessart, 1897
                 Family †Carpolestidae Simpson, 1935
                   Genus †Elphidotarsius Gidley, 1923
                     1 †Elphidotarsius florencae Gidley, 1923
                     2 †Elphidotarsius shotgunensis Gazin, 1971
                     3 †Elphidotarsius russelli Krause, 1978
                     4 †Elphidotarsius wightoni Fox, 1984