Order Primates Linnaeus, 1758 - primates
   Semiorder Euprimates Hoffstetter, 1978 see Clade Euprimates
     Suborder Haplorhini Pocock, 1918
       Hyporder Tarsiiformes Gregory, 1915 see Infraorder Tarsiiformes Gregory, 1915
         Superfamily †Omomyoidea Trouessart, 1879 [monotypic]
           Family †Omomyidae Trouessart, 1879
             Subfamily †Omomyinae Trouessart, 1879
               Tribe †Washakiini Szalay, 1976
                 Subtribe †Washakiina
                   1 Genus †Shoshonius Granger, 1910
                   2 Genus †Washakius Leidy, 1873
                   3 Genus †Dyseolemur Stock, 1934