Order Scandentia Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1 104 109 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Tupaia gracilis Thomas 1893 Tupaia gracilis Thomas 1893 , Ann. Mag. Nat. Hist., ser. 6, 12: 53 . Type Locality: Borneo, Sarawak , Baram Dist., Apoh River at base of Mt. Batu Song. Vernacular Names: Slender Treeshrew . Subspecies: : Subspecies Tupaia gracilis subsp. gracilis Thomas 1893 Subspecies Tupaia gracilis subsp. edarata Lyon 1913 Subspecies Tupaia gracilis subsp. inflata Lyon 1906 Distribution: Borneo below 1,200 m , including Sabah and Sarawak ( Malaysia ) and Kalimantan ( Indonesia ) except SE; west to islands of Karimata, Belitung, and Bangka, and north to Banggi Isl. Conservation: CITES – Appendix II; IUCN – Lower Risk (lc).