Class [Mammalia] Linnaeus, 1758 - mammals Order Primates Linnaeus, 1758 - primates Family Hylobatidae Gray, 1871 - gibbons Genus Hylobates Illiger, 1811 - gibbons Hylobates concolor (Harlan, 1826) - crested gibbon see Nomascus concolor (Harlan, 1826)