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 Cebidae Bonaparte, 1831 - New World monkeys
                           Subfamily Cebinae Bonaparte, 1831
                             Genus Saimiri Voigt, 1831 - squirrel monkeys
                               1 Saimiri sciureus (C. Linnaeus, 1758) - common squirrel-monkey
                               2 Saimiri oerstedi (Reinhardt, 1872) see Saimiri oerstedii (Reinhardt, 1872)
                               3 Saimiri boliviensis (I. Geoffroy Saint-Hilaire & Blainville, 1834)
                               4 Saimiri madeira Thomas, 1908 see Saimiri ustus (I. Geoffroy Saint-Hilaire, 1843)