Phalangeridae
- Ailuropinae
- Phalangerinae
- Trichosurinae
- Common brushtail possum Trichosurus vulpecula
Photo: Andrew Mercer (www.baldwhiteguy.co.nz) · CC BY-SA 4.0 A tree-dwelling nocturnal marsupial with large eyes and rounded ears.
- Northern Common Cuscus Phalanger orientalis
Photo: Karl Thayer Soule · CC BY 2.0 This nocturnal cuscus has a tail that grips branches. Males and females differ in coat and in how much of the tail is white; the species occurs on New Guinea and nearby islands.
- Common Bear Cuscus Ailurops ursinus
Photo: Sakurai Midori · CC BY 3.0 The common bear cuscus is an arboreal marsupial that moves slowly through trees with its grasping tail and forefeet and feeds mainly on leaves.
- Common Spotted Cuscus Spilocuscus maculatus
The common spotted cuscus is a marsupial with a long tail that can grip branches. It lives in lowland tropical forest in New Guinea and also in mangroves in northeastern Australia, feeding mainly on leaves.
- Small Sulawesi Cuscus Strigocuscus celebensis
The small cuscus has pale buff fur and a partly bare tail. It lives on Sulawesi and nearby islands.
- Short-eared Brushtail Possum Trichosurus caninus
The short-eared brushtail possum is a nocturnal marsupial of moist forests in southeastern Australia. By day it shelters in tree hollows or fallen logs.
- Obi Cuscus Phalanger rothschildi
The Obi cuscus is an arboreal marsupial from islands in North Maluku. A survey around Obi recorded fruit in its diet and trees used as nesting sites.
- Black Spotted Cuscus Spilocuscus rufoniger
The black-spotted cuscus is an arboreal marsupial with black-and-red fur and different back patterns in males and females. It occurs in forests of northern New Guinea.
- Stein's Cuscus Phalanger vestitus
Stein's cuscus occurs on New Guinea. A broad stripe across its back is a distinguishing feature, and a survey recorded it in the highland forests of Lanny Jaya.
- Waigeo Spotted Cuscus Spilocuscus papuensis
The Waigeo spotted cuscus is an arboreal cuscus from islands west of New Guinea. It lives in forest and eats fruit, leaves, and insects.
- Moluccan Cuscus Phalanger ornatus
The Moluccan cuscus is a marsupial from the Moluccan Islands. Its short, woolly coat can have white spots, and a field study also recorded the species on Obi Island.
- Mountain Cuscus Phalanger carmelitae
The mountain cuscus is an arboreal marsupial of New Guinea's mountains. It has thick, dark fur and feeds on leaves and fruit at night.