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Superregnum: Eukaryota
Supergroup: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Cladus: Cynodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohort: Theria
Cohort: Eutheria
Cohort: Placentalia
Cladus: Boreoeutheria
Superordo: Euarchontoglires
Ordo: Rodentia
Subordo: Myomorpha
Superfamilia: Muroidea

Familia: Muridae
Subfamilia: Murinae
Genus: Uromys
Species: Uromys anak

Uromys anak Thomas, 1907


Uromys anak in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.

The giant naked-tailed rat (Uromys anak) is a species of rodent in the family Muridae. It is found in West Papua, Indonesia and Papua New Guinea. It lives in tropical forests, wetlands, and in degraded forests.


It is known as abben in the Kalam language of Papua New Guinea.[2]

The rodents reach a body length of up to 20–34 cm, with another added 23–38 cm for its tail. It weighs between 350 and 1020 grams. Its fur is typically short and rough, varying in colour from grey to various shades of brown and black, with its underside being white or grey. Its tail is longer than its body and is uniformly black, with the basal part densely covered with reddish hairs.

The species has been known to eat karuka nuts (Pandanus julianettii),[3] and growers will put platforms or other obstacles on the trunks of the trees to keep the pests out.[4][3]

Aplin, K.; Flannery, T. (2017). "Uromys anak". IUCN Red List of Threatened Species. 2017: e.T22800A22447286. doi:10.2305/IUCN.UK.2017-2.RLTS.T22800A22447286.en. Retrieved 14 November 2021.
Pawley, Andrew and Ralph Bulmer. 2011. A Dictionary of Kalam with Ethnographic Notes. Canberra. Pacific Linguistics.
Stilltoe, Paul (1983). Roots of the Earth: Crops in the Highlands of Papua New Guinea. Manchester, UK: Manchester university Press. ISBN 978-0-7190-0874-0. LCCN 82-62247. OCLC 9556314.

French, Bruce R. (1982). Growing food in the Southern Highlands Province of Papua New Guinea (PDF). AFTSEMU (Agricultural Field Trials, Surveys, Evaluation and Monitoring Unit) of the World Bank funded project in the Southern Highlands of Papua New Guinea. pp. 64–71. Retrieved 20 September 2018.

Musser, G.G.; Carleton, M.D. (2005). "Superfamily Muroidea". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 894–1531. ISBN 978-0-8018-8221-0. OCLC 62265494.

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