Subspecies and Distribution. T.m.montanaThomas,1892—CSarawak(MtDulit,BatuSong,Kalulong,andUsunApau),Borneo. T.m.baluensisLyon,1913—Sabah(MtKinabaluandMtPueh)andEKalimantan,Borneo. T. m. stuebingi Kwai Hin Han, 2000 — lowlands of Lanjak Entimau Wildlife Sanctuary (SW Sarawak). in Tupaiidae

Subspecies and Distribution. T.m.montanaThomas,1892—CSarawak(MtDulit,BatuSong,Kalulong,andUsunApau),Borneo. T.m.baluensisLyon,1913—Sabah(MtKinabaluandMtPueh)andEKalimantan,Borneo. T. m. stuebingi Kwai Hin Han, 2000 — lowlands of Lanjak Entimau Wildlife Sanctuary (SW Sarawak). ; Published as part of Russell A. Mittermeier & Don E. Wilson, 2018, Tupaiidae, pp. 242-269 in Handbook of the Mammals of the World – Volume 8 Insectivores, Sloths and Colugos, Barcelona :Lynx Edicions on page 267, DOI: 10.5281/zenodo.6779158