Class [Mammalia] Linnaeus, 1758 - mammals
   Order Primates Linnaeus, 1758 - primates
     Family Cebidae Bonaparte, 1831 - New World monkeys
       Genus Lagothrix Geoffroy, 1812 - woolly monkeys
         1 Lagothrix flavicauda (Humboldt, 1812) - yellow-tailed woolly monkey see Oreonax flavicauda (Humboldt, 1812)
         2 Lagothrix lagothricha (Humboldt, 1812) - common woolly monkey see Lagothrix lagotricha (Humboldt, 1812)