Order Primates Linnaeus, 1758 - primates
   Suborder Euprimates Hoffstetter, 1978 see Clade Euprimates
     Haplorhini Pocock, 1918 see Suborder Haplorhini Pocock, 1918
       Superfamily †Adapoidea Trouessart, 1879 see Infraorder Adapiformes Hoffstetter, 1977
         Family †Notharctidae Trouessart, 1879
           Genus †Notharctus Leidy, 1870
             1 †Notharctus osborni Gregory, 1920
             1.0 †"Notharctus osbornianus" see Notharctus osborni Gregory, 1920