Class [Mammalia] Linnaeus, 1758 - mammals
   Order Primates Linnaeus, 1758 - primates
     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 Callicebinae Pocock, 1925
               1 Genus Callicebus Thomas, 1903 - titi monkeys