Siberut flying squirrel
Conservation status
Vulnerable  (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Sciuridae
Genus:	Petinomys
Species:	P. lugens
Binomial name
Petinomys lugens (Thomas, 1895)

The Siberut flying squirrel (Petinomys lugens) is a species of rodent in the family Sciuridae. It is endemic to Indonesia. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.

• Thorington, R. W. Jr. and R. S. Hoffman. 2005. Family Sciuridae. pp. 754–818 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.

v t e Extant species of family Sciuridae (subfamily Sciurinae, Pteromyini (Flying squirrels) tribe)
Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Rodentia Suborder: Sciuromorpha
Aeretes	Groove-toothed flying squirrel (Aeretes melanopterus)
Aeromys (Large black flying squirrels)	Black flying squirrel (Aeromys tephromelas) Thomas's flying squirrel (Aeromys thomasi)
Belomys	Hairy-footed flying squirrel (Belomys pearsonii)
Biswamoyopterus	Namdapha flying squirrel (Biswamoyopterus biswasi) Mount Gaoligong flying squirrel (Biswamoyopterus gaoligongensis) Laotian giant flying squirrel (Biswamoyopterus laoensis)
Eoglaucomys	Kashmir flying squirrel (Eoglaucomys fimbriatus)
Eupetaurus	Western woolly flying squirrel (Eupetaurus cinereus) Yunnan woolly flying squirrel (Eupetaurus nivamons) Tibetan woolly flying squirrel (Eupetaurus tibetensis)
Glaucomys (New World flying squirrels)	Humboldt's flying squirrel (Glaucomys oregonensis) Northern flying squirrel (Glaucomys sabrinus) Southern flying squirrel (Glaucomys volans)
Hylopetes	Particolored flying squirrel (Hylopetes alboniger) Bartel's flying squirrel (Hylopetes bartelsi) Hainan flying squirrel (Hylopetes electilis) Palawan flying squirrel (Hylopetes nigripes) Indochinese flying squirrel (Hylopetes phayrei) Jentink's flying squirrel (Hylopetes platyurus) Arrow flying squirrel (Hylopetes sagitta) Sipora flying squirrel (Hylopetes sipora) Red-cheeked flying squirrel (Hylopetes spadiceus) Sumatran flying squirrel (Hylopetes winstoni)
Iomys	Javanese flying squirrel (Iomys horsfieldi) Mentawi flying squirrel (Iomys sipora)
Petaurillus (Pygmy flying squirrels)	Lesser pygmy flying squirrel (Petaurillus emiliae) Hose's pygmy flying squirrel (Petaurillus hosei) Selangor pygmy flying squirrel (Petaurillus kinlochii)
Petaurista	Red and white giant flying squirrel (Petaurista alborufus) Spotted giant flying squirrel (Petaurista elegans) Japanese giant flying squirrel (Petaurista leucogenys) Hodgson's giant flying squirrel (Petaurista magnificus) Mechuka giant flying squirrel (Petaurista mechukaensis) Mishmi giant flying squirrel (Petaurista mishmiensis) Bhutan giant flying squirrel (Petaurista nobilis) Red giant flying squirrel (Petaurista petaurista) Indian giant flying squirrel (Petaurista philippensis) Mebo giant flying squirrel (Petaurista siangensis) Chinese giant flying squirrel (Petaurista xanthotis)
Petinomys	Basilan flying squirrel (Petinomys crinitus) Travancore flying squirrel (Petinomys fuscocapillus) Whiskered flying squirrel (Petinomys genibarbis) Hagen's flying squirrel (Petinomys hageni) Siberut flying squirrel (Petinomys lugens) Mindanao flying squirrel (Petinomys mindanensis) Arrow flying squirrel (Petinomys sagitta) Temminck's flying squirrel (Petinomys setosus) Vordermann's flying squirrel (Petinomys vordermanni)
Pteromys (Old World flying squirrels)	Japanese dwarf flying squirrel (Pteromys momonga) Siberian flying squirrel (Pteromys volans)
Pteromyscus	Smoky flying squirrel (Pteromyscus pulverulentus)
Trogopterus	Complex-toothed flying squirrel (Trogopterus xanthipes)
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