Order Diprotodontia 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 43 70 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Phalanger sericeus Thomas 1907 Phalanger sericeus Thomas 1907 , Ann. Mag. Nat. Hist., ser. 7, 20: 74 . Type Locality: Papua New Guinea , Angabunga Range, Owgarra, 6,000 ft (= 1829 m ). Vernacular Names: Silky Cuscus . Subspecies: : Subspecies Phalanger sericeus subsp. sericeus Thomas 1907 Subspecies Phalanger sericeus subsp. occidentalis Menzies and Pernetta 1986 Distribution: C and E New Guinea , higher elevations, above 1500 m . Conservation: IUCN – Lower Risk (lc). Common. Discussion: Called P. vestitus by most authors, but see Menzies and Pernetta (1986:594) .