Class [Mammalia] Linnaeus, 1758 - mammals
   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