Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Eutheria Gill, 1872 see Infraclass Eutheria Gill, 1872
                 Order Primates Linnaeus, 1758 - primates
                   Suborder Simiae see Parvorder Anthropoidea Mivart, 1864
                     Infraorder Platyrrhina see Superfamily Callitrichoidea Gray, 1821
                       Superfamily Ceboidea Bonaparte, 1831
                         Family Callithricidae - marmosets and tamarins see Family Callitrichidae Gray, 1821
                           Genus Callithrix Erxleben, 1777 - marmosets
                             Subgenus Cebuella Gray, 1866 see Genus Cebuella Gray, 1866
                               1 Callithrix pygmaea (Spix, 1823)