Sulawesi Bear Cuscus, Ailurops ursinus Sakurai Midori via Wikicommons, Creative Commons Attribution ShareAlike.

Common Brushtail Possum, Trichosurus vulpecula "IMGP5299_possum" by RaeAllen via Flickr, Creative Commons Attribution.

Taxonomy:

Gen. Burramys (Add)

Burramys burryi (Add)
Mountain Pygmy Possum, Burramys parvus (Add)
Burramys tridactylus (Add)
Burramys wakefieldi (Add)

Gen. Cercartetus (Add)

Long-tailed Pygmy Possum, Cercartetus caudatus (Add)
Southwestern Pygmy Possum, Cercartetus concinnus (Add)
Tasmanian Pygmy Possum, Cercartetus lepidus (Add)
Eastern Pygmy Possum, Cercartetus nanus (Add)

Ailuropinae (Add)

Gen. Ailurops (Add)

Talaud Bear Cuscus, Ailurops melanotis (Add)
Sulawesi Bear Cuscus, Ailurops ursinus

Gen. Strigocuscus (Add)

Sulawesi Dwarf Cuscus, Strigocuscus celebensis (Add)
Banggai Cuscus, Strigocuscus pelengensis (Add)

Phalangerinae (Add)

Gen. Phalanger (Add)

Gebe Cuscus, Phalanger alexandrae (Add)
Mountain Cuscus, Phalanger carmelitae (Add)
Ground Cuscus, Phalanger gymnotis (Add)
Eastern Common Cuscus, Phalanger intercastellanus (Add)
Woodlark Cuscus, Phalanger lullulae (Add)
Blue-eyed Cuscus, Phalanger matabiru (Add)
Telefomin Cuscus, Phalanger matanim (Add)
Southern Common Cuscus, Phalanger mimicus (Add)
Northern Common Cuscus, Phalanger orientalis (Add)
Ornate Cuscus, Phalanger ornatus (Add)
Rothschild's Cuscus, Phalanger rothschildi (Add)
Silky Cuscus, Phalanger sericeus (Add)
Stein's Cuscus, Phalanger vestitus (Add)

Gen. Spilocuscus (Add)

Admiralty Island Cuscus, Spilocuscus kraemeri (Add)
Common Spotted Cuscus, Spilocuscus maculatus (Add)
Waigeou Cuscus, Spilocuscus papuensis (Add)
Black-spotted Cuscus, Spilocuscus rufoniger (Add)
Blue-eyed Spotted Cuscus, Spilocuscus wilsoni (Add)

Trichosurinae (Add)

Gen. Trichosurus (Add)

Northern Brushtail Possum, Trichosurus arnhemensis (Add)
Short-eared Possum, Trichosurus caninus (Add)
Mountain Brushtail Possum, Trichosurus cunninghami (Add)
Coppery Brushtail Possum, Trichosurus johnstonii (Add)
Common Brushtail Possum, Trichosurus vulpecula

Gen. Wyulda (Add)

Scaly-tailed Possum, Wyulda squamicaudata (Add)