Article · Wikipedia archive · Last revised Aug 12, 2026

Mallomys

Mallomys is a genus of rodent in the family Muridae. The name of the genus is formed from the Greek μαλλός, mallos, wool, and μῦς, mus, mouse/rat. These very large rats weigh between 0.95 and 2 kilograms and are native to highlands in New Guinea. Little is known about their behavior, but they are believed to feed on leaves, grasses and other plant material.

Last revised
Aug 12, 2026
Read time
≈ 1 min
Length
240 w
Citations
5
Source
Mallomys
Temporal range: Pleistocene to Recent
Mallomys gunung
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Placentalia
Order: Rodentia
Family: Muridae
Tribe: Hydromyini
Genus: Mallomys
Thomas, 1898
Type species
Mallomys rothschildi
Species

Mallomys aroaensis
Mallomys gunung
Mallomys istapantap
Mallomys rothschildi

Mallomys is a genus of rodent in the family Muridae.1 The name of the genus is formed from the Greek μαλλός, mallos, wool, and μῦς, mus, mouse/rat. These very large rats weigh between 0.95 and 2 kilograms (2.1 and 4.4 lb) and are native to highlands in New Guinea.2 Little is known about their behavior, but they are believed to feed on leaves, grasses and other plant material.2

It contains the following species:

Apparently undescribed species of Mallomys have been reported from the Foja Mountains in Northern West Papua,3 as well as within the crater of Mount Bosavi in the Southern Highlands of Papua New Guinea.4

References

References

  1. 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.
  2. Flannery, T. (1995). Mammals of New Guinea. Pp. 284-291. ISBN 0-7301-0411-7
  3. Afp.google.com, Two new mammals found in Indonesian 'lost world': green group Archived 2007-06-09 at the Wayback Machine
  4. BBC News 2009-09-06: Giant rat found in 'lost volcano' https://news.bbc.co.uk/earth/hi/earth_news/newsid_8210000/8210394.stm