[Kingdom] Animalia Linnaeus, 1758 - animals
   Grade Enterozoa
     Grade Cœlomata
       Phylum Vertebrata (Lamarck, 1801)
         Branch Craniata Linnaeus, 1758
           Grade Gnathostoma
             Subgrade Pentadactyla lipobranchia
               Branch Amphicondyla [monotypic]
                 Class Mammalia Linnaeus, 1758 - mammals
                   Grade Placentalia Owen, 1837 see Cohort Placentalia Owen, 1837
                     Subclass Discoplacentalia
                       Order Simiæ
                         1 Genus Hapale Illiger, 1811 see Genus Callithrix Erxleben, 1777
                         2 Genus Mycetes Illiger, 1811
                         3 Genus Macacus Desmarest, 1820
                         4 Genus Homo Linnaeus, 1758 - people