Symphalangus Gloger 1841
Symphalangus Gloger 1841, Gemeinn. Naturg., Vol. 1: 34.
Type Species: Simia syndactylus Raffles 1821
Synonyms: Siamanga Gray 1843 .
Species and subspecies: 1 species:
Species Symphalangus syndactylus (Raffles 1821)
Discussion: Probably a genus distinct from Hylobates (Goodman et al., 1998; Groves, 2001 c).