Class [Mammalia] Linnaeus, 1758 - mammals Order †Plesiadapiformes Simons & Tattersall, 1972 see Suborder Plesiadapiformes Simons & Tattersall, 1972 Superfamily †Plesiadapoidea Trouessart, 1897 Family †Micromomyidae Szalay, 1974 1 Genus †Micromomys Szalay, 1973 2 Genus †Tinimomys Szalay, 1974 3 Genus †Chalicomomys Beard & Houde, 1989 4 Genus †Myrmekomomys Robinson, 1994