The mountain cuscus (''Phalanger carmelitae'') is a species of

marsupial Marsupials are a diverse group of mammals belonging to the infraclass Marsupialia. They are natively found in Australasia, Wallacea, and the Americas. One of marsupials' unique features is their reproductive strategy: the young are born in a r ...

in the family Phalangeridae found in West Papua,

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

and

Papua New Guinea Papua New Guinea, officially the Independent State of Papua New Guinea, is an island country in Oceania that comprises the eastern half of the island of New Guinea and offshore islands in Melanesia, a region of the southwestern Pacific Ocean n ...

References

Possums Mammals of Papua New Guinea Mammals of Western New Guinea Mammals described in 1898 Taxa named by Oldfield Thomas Taxonomy articles created by Polbot Marsupials of New Guinea {{Diprotodont-stub