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 Ptilocercus lowii Gray 1848 Ptilocercus lowii Gray 1848 , Proc. Zool. Soc. Lond., 1848: 24 . Type Locality: Borneo, Sarawak , Kuching. Vernacular Names: Pen-tailed Treeshrew . Subspecies: : Subspecies Ptilocercus lowii subsp. lowii Gray 1848 Subspecies Ptilocercus lowii subsp. continentis Thomas 1910 Distribution: S Thailand , Malaysia (Malay Peninsula, Sabah , Sarawak , Labuan ), Singapore , Brunei , and Indonesia ( Sumatra , Kalimantan , and Riau , Batu, Siberut, Bangka, and Serasan Isls). Conservation: CITES – Appendix II; IUCN – Lower Risk (lc).