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 †Ekgmowechashalinae Szalay, 1976 [monotypic] see Family Ekgmowechashalidae Szalay, 1976
               1 Genus †Ekgmowechashala Macdonald, 1963