Order Primates Linnaeus, 1758 - primates
   Semiorder Haplorhini Pocock, 1918 see Suborder Haplorhini Pocock, 1918
     Suborder Anthropoidea Mivart, 1864 see Parvorder Anthropoidea Mivart, 1864
       Infraorder Platyrrhini Geoffroy Saint-Hilaire, 1812 see Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812
         Superfamily Ceboidea Bonaparte, 1831
           Family Atelidae Gray, 1825
             Subfamily Alouattinae (Trouessart, 1897) Elliot, 1904
               Genus †Stirtonia Hershkovitz, 1970