Class Mammalia Linnaeus, 1758 - mammals
   Order Primates Linnaeus, 1758 - primates
     Family Hylobatidae Gray, 1871 - gibbons
       Genus Hylobates Illiger, 1811 - gibbons
         01 Hylobates agilis F. Cuvier, in É. Geoffroy Saint-Hilaire & F. Cuvier, 1821 - agile gibbon
         02 Hylobates concolor (Harlan, 1826) - crested gibbon see Nomascus concolor (Harlan, 1826)
         03 Hylobates gabriellae Thomas, 1909 - red-cheeked gibbon see Nomascus gabriellae (Thomas, 1909)
         04 Hylobates hoolock (Harlan, 1834) - Hoolock gibbon see Bunopithecus hoolock (Harlan, 1834)
         05 Hylobates klossii (Miller, 1903) - Kloss's gibbon
         06 Hylobates lar (C. Linnaeus, 1771) - common gibbon
         07 Hylobates leucogenys Ogilby, 1840 see Nomascus leucogenys (Ogilby, 1840)
         08 Hylobates moloch (Audebert, 1798) - Javan gibbon
         09 Hylobates muelleri Martin, 1841 - Müller's gibbon
         10 Hylobates pileatus (Gray, 1861) - pileated gibbon
         11 Hylobates syndactylus (Raffles, 1821) - siamang see Symphalangus syndactylus (Raffles, 1821)
         12 Subgenus Hylobates Illiger, 1811 see Genus Hylobates Illiger, 1811
         13 Subgenus Nomascus Miller, 1933 see Genus Nomascus Miller, 1933
         14 Subgenus Bunopithecus Matthew & Granger, 1923 see Genus Bunopithecus Matthew & Granger, 1925
         15 Subgenus Symphalangus Gloger, 1841 see Genus Symphalangus Gloger, 1841