Subspecies and Distribution. P.s. sericeus Thomas, 1907 — E New Guinea Central Range (E of 143°E). P s. occidentalis Menzies & Pernetta, 1986 — W New Guinea Central Range (W of 143°E). An additional isolated population was recently documented on the outlying volcanic peak of Mt Bosavi in SC Papua New Guinea. in Phalangeridae

Subspecies and Distribution. P.s. sericeus Thomas, 1907 — E New Guinea Central Range (E of 143°E). P s. occidentalis Menzies & Pernetta, 1986 — W New Guinea Central Range (W of 143°E). An additional isolated population was recently documented on the outlying volcanic peak of Mt Bosavi in SC Papua New Guinea.