Class [Mammalia] Linnaeus, 1758 - mammals Order †Plesiadapiformes Simons & Tattersall, 1972 see Suborder Plesiadapiformes Simons & Tattersall, 1972 Superfamily †Plesiadapoidea Trouessart, 1897 Family †Plesiadapidae Trouessart, 1897 Genus †Chiromyoides Stehlin, 1916 †Chiromyoides caesor Gingerich, 1973