- 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)