Mammalia Linnaeus, 1758 - mammals
   Theria Parker & Haswell, 1897
     Primates Linnaeus, 1758 - primates
       Haplorrhini Pocock, 1918 see Suborder Haplorhini Pocock, 1918
         Simiiformes Haeckel, 1866
           Platyrrhini Geoffroy Saint-Hilaire, 1812
             Cebidae Bonaparte, 1831 - New World monkeys
               Callitrichinae Gray, 1821 see Family Callitrichidae Gray, 1821
                 Leontopithecus Lesson, 1840 - golden tamarins
                   Leontopithecus chrysomelas (Kuhl, 1820) - golden-headed tamarin