Order Primates Linnaeus, 1758 - primates Semiorder †Plesiadapiformes Simons & Tattersall, 1972 see Suborder Plesiadapiformes Simons & Tattersall, 1972 Superfamily †Paromomyoidea Simpson, 1940 Family †Paromomyidae Simpson, 1940 [monotypic] Subfamily †Paromomyinae Simpson, 1940 Tribe †Navajoviini Szalay & Delson, 1979 Genus †Avenius Russell, Phélizon & Louis, 1992