Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Primates Linnaeus, 1758 - primates
       Suborder Haplorrhini Pocock, 1918 see Suborder Haplorhini Pocock, 1918
         Infraorder Simiiformes Haeckel, 1866
           Parvorder Catarrhini Geoffroy Saint-Hilaire, 1812
             Superfamily Hominoidea Gray, 1825
               Family Hylobatidae Gray, 1871 - gibbons
                 Genus Bunopithecus Matthew & Granger, 1925
                   Bunopithecus hoolock (Harlan, 1834) see Hoolock hoolock (Harlan, 1834)
                     [Bunopithecus hoolock hoolock]ᵀ (Harlan, 1834) see Hoolock hoolock (Harlan, 1834)