Subspecies and Distribution. P.p.pygmaeusLinnaeus,1760—WBorneoinMalaysia(SSarawakState)andIndonesia(NWestKalimantanProvince). P.p.morioOwen,1837—N&EBorneoinMalaysia(SabahState)andIndonesia(EastKalimantanProvince);possiblyinNSarawak. P. p. wurmbii Tiedemann, 1808 — S Indonesian Borneo (S West & Central Kalimantan provinces). in Hominidae

Subspecies and Distribution. P.p.pygmaeusLinnaeus,1760—WBorneoinMalaysia(SSarawakState)andIndonesia(NWestKalimantanProvince). P.p.morioOwen,1837—N&EBorneoinMalaysia(SabahState)andIndonesia(EastKalimantanProvince);possiblyinNSarawak. P. p. wurmbii Tiedemann, 1808 — S Indonesian Borneo (S West & Central Kalimantan provinces). ; Published as part of Russell A. Mittermeier, Anthony B. Rylands & Don E. Wilson, 2013, Hominidae, pp. 792-854 in Handbook of the Mammals of the World – Volume 3 Primates, Barcelona :Lynx Edicions on page 844, DOI:10.5281/zenodo.6700973