Class [Mammalia] Linnaeus, 1758 - mammals Order †Plesiadapiformes Simons & Tattersall, 1972 see Suborder Plesiadapiformes Simons & Tattersall, 1972 Superfamily †Plesiadapoidea Trouessart, 1897 Family †Micromomyidae Szalay, 1974 Genus †Chalicomomys Beard & Houde, 1989 1 †Chalicomomys antelucanus (Beard & Houde, 1989)