The great-tailed triok is a nocturnal, arboreal marsupial of interior New Guinea forests. Its thick fur has dark stripes over a white or gray base.
Its fur is thick, close, and woolly, with dark stripes over a white or gray base. It has a black spot on the chin.
It is nocturnal and arboreal. Its listed foods include insects, fruits, and leaves.
An extinction-risk assessment has not been added yet.