-
                                                    Hylobates syndactylus (Raffles, 1821)
                                                                                        -
                                                    Hylobates syndactylus continentis (Thomas, 1908)
                                                                                        -
                                                    Siamanga syndactyla (Raffles, 1822)
                                                                                        -
                                                    Simia gibbon C.Miller, 1779
                                                                                        -
                                                    Simia syndactyla Raffles, 1821
                                                                                        -
                                                    Symphalangus continentis Thomas, 1908
                                                                                        -
                                                    Symphalangus gibbon (C.Miller, 1779)
                                                                                        -
                                                    Symphalangus subfossilis Hooijer, 1960
                                                                                        -
                                                    Symphalangus syndactylus continentis Thomas, 1908
                                                                                        -
                                                    Symphalangus syndactylus volzi Pohl, 1911
                                                                                        -
                                                    Symphalangus volzi (Pohl, 1911)