Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Primates Linnaeus, 1758 - primates
       Suborder Haplorrhini Pocock, 1918 see Suborder Haplorhini Pocock, 1918
         Infraorder Simiiformes Haeckel, 1866
           Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812
             Family Aotidae Poche, 1908
               Genus Aotus Illiger, 1811 - douroucoulis
                 Aotus lemurinus (I. Geoffroy Saint-Hilaire, 1843)
                   1 [Aotus lemurinus lemurinus]ᵀ (I. Geoffroy Saint-Hilaire, 1843)
                   2 Aotus lemurinus brumbacki Hershkovitz, 1983
                   3 Aotus lemurinus griseimembra Elliot, 1912
                   4 Aotus lemurinus zonalis Goldman, 1914