Class Mammalia Linnaeus, 1758 - mammals
   Order Primates Linnaeus, 1758 - primates
     Family Cebidae Bonaparte, 1831 - New World monkeys
       Subfamily Aotinae Poche, 1908 see Family Aotidae Poche, 1908
         Genus Aotus Illiger, 1811 - douroucoulis
           01 Aotus azarai (Humboldt, 1811) see Aotus azarae (Humboldt, 1811)
           02 Aotus brumbacki Hershkovitz, 1983 see Aotus lemurinus brumbacki Hershkovitz, 1983
           03 Aotus hershkovitzi Ramirez-Cerquera, 1983
           04 Aotus infulatus (Kuhl, 1820) see Aotus azarae infulatus (Kuhl, 1820)
           05 Aotus lemurinus (I. Geoffroy Saint-Hilaire, 1843)
           06 Aotus miconax Thomas, 1927
           07 Aotus nancymaae Hershkovitz, 1983
           08 Aotus nigriceps Dollman, 1909
           09 Aotus trivirgatus (Humboldt, 1811) - northern night monkey
           10 Aotus vociferans (Spix, 1823)