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Subspecies and Distribution. T.t.tanaRaffles,1821—Sumatra. T.t.bangueiChasen&Kloss,1932—BanggiI,offNBorneo. T.t.besaraLyon,1913—WKalimantanNofKapuasRiver,WBorneo.1t.bunoaeG.S.M...
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Subspecies and Distribution. T.m.montanaThomas,1892—CSarawak(MtDulit,BatuSong,Kalulong,andUsunApau),Borneo. T.m.baluensisLyon,1913—Sabah(MtKinabaluandMtPueh)andEKalimantan,Borneo....
Distribution. Endemic to W, C & E Borneo; in Sabah, only rare occurrences along Kalimantan border. in Tupaiidae