Coba jelasin Catatan taksonomi dari Owa kelempiau utara dong

Spesies ini sebelumnya dianggap sebagai anak jenis dari Hylobates muelleri, Hylobates moloch, atau bahkan Hylobates lar.

2016. "Phylogeny and Classification of Gibbons (Hylobatidae)".in Ulrich H. Reichard, Hirohisa Hirai, & Claudia Barelli (Eds.), Evolution of Gibbons and Siamang: Phylogeny, Morphology, and Cognition, hlm. 151-65.

. 2016. "Activity budget, travel distance, sleeping time, height of activity and travel order of wild East Bornean Grey gibbons (Hylobates funereus) in Danum Valley Conservation Area". Raffles Bulletin of Zoology 64: 127–38  (1 July 2016). http://zoobank.org/urn:lsid:zoobank.org:pub:BF830118-CE0A-4D4E-8180-BFE9545F56CF

. 2016. "Population mapping of gibbons in Kalimantan, Indonesia: correlates of gibbon density and vegetation across the species’ range". Endangered Species Research, Vol. 30: 133–43 (May 31, 2016). doi: 10.3354/esr00734