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
           1 Tribe †Purgatoriini Van Valen & Sloan, 1965 [monotypic] see Family Purgatoriidae Van Valen & Sloan, 1965
           2 Tribe †Paromomyini Simpson, 1940 see Family Paromomyidae Simpson, 1940
           3 Tribe †Micromomyini see Family Micromomyidae Szalay, 1974
           4 Tribe †Navajoviini Szalay & Delson, 1979