Nomascus Miller 1933

Nomascus Miller 1933, J. Mammal., 14: 159.

Type Species: Hylobates leucogenys Ogilby 1840

Species and subspecies: 5 species with 5 subspecies:

Species Nomascus concolor (Harlan 1826)

Subspecies Nomascus concolor subsp. concolor Harlan 1826

Subspecies Nomascus concolor subsp. furvogaster Ma and Y. Wang 1986

Subspecies Nomascus concolor subsp. jingdongensis Ma and Y. Wang 1986

Subspecies Nomascus concolor subsp. lu Delacour 1951

Subspecies Nomascus concolor subsp. nasutus Kunkel d’Herculais 1884

Species Nomascus gabriellae (Thomas 1909)

Species Nomascus hainanus (Thomas 1892)

Species Nomascus leucogenys (Ogilby 1840)

Species Nomascus siki Delacour 1951

Discussion: Separated as a genus distinct from Hylobates (Groves, 2001 c).