Order Rodentia - Family Sciuridae 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 2 754 818 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Sundasciurus (Aletesciurus) juvencus (Thomas 1908) [Sundasciurus (Aletesciurus)] juvencus (Thomas 1908) , Ann. Mag. Nat. Hist., ser. 8, 2: 498 . Type Locality: "the islands of Palawan .... Puerto Princesa [ Philippines ]". Vernacular Names: Northern Palawan Tree Squirrel . Distribution: N Palawan Isl. Conservation: IUCN – Endangered. Discussion: Subgenus Aletesciurus . Member of the steerii group; see comment under steerii .