Class [Mammalia] Linnaeus, 1758 - mammals
   Order †Plesiadapiformes Simons & Tattersall, 1972 see Suborder Plesiadapiformes Simons & Tattersall, 1972
     Family †Picrodontidae Simpson, 1937
       1 Genus †Picrodus Douglass, 1908
       2 Genus †Zanycteris Matthew, 1917
       3 Genus †Draconodus Tomida, 1982