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
             1 Genus †Navajovius Matthew & Granger, 1921
             2 Genus †Berruvius Russell, 1964
             3 Genus †Avenius Russell, Phélizon & Louis, 1992