The Old World rats and mice, part of the subfamily Murinae in the family Muridae, comprise at least 519 species. Members of this subfamily are called murines. In terms of species richness, this subfamily is larger than all mammal families except the Cricetidae and Muridae, and is larger than all mammal orders except the bats and the remainder of the rodents.
Batomys is a genus of rodent endemic to the Philippines. It has six extant described species.
Chiropodomys is a genus of Old World rats and mice native to Southeast Asia and northeast India. They are tree-dwelling, very small mice, mostly found in tropical rainforest. In total six extant species have been identified, but only one of these, Chiropodomys gliroides, is common and widely distributed, and has been extensively studied.
Carpomys is a genus of rodent in the family Muridae. It contains two extant species, and one extinct species:
Crateromys is a genus of rodent, native to the Philippines, in the family Muridae. It contains four species extant species, and one extinct species.
Desmomys is a genus of rodent in the family Muridae endemic to Ethiopia. It contains the following species:
Hadromys is a genus of rodent in the family Muridae endemic to Asia. It contains the following species:
Not to be confused with: marmosets
The marmoset rat, also known as the greater marmoset rat, is a species of rodent in the family Muridae. It is found in Malaysia, Myanmar, and Thailand. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
Leopoldamys is a genus of rodents in the family Muridae endemic to Southeast Asia. It contains the following species:
Malacomys is a genus of rodents in the family Muridae native to Africa. It is the only member of the tribe Malacomyini.
Mesembriomys is a genus of rodent in the family Muridae endemic to Australia. It contains the following species:
The Ethiopian striped mouse or striped-back mouse is a species of rodent in the family Muridae. It is only found in Ethiopia. It was formerly classified in the monotypic genus Muriculus, but phylogenetic evidence supports Muriculus being a subgenus within Mus, the true mice. The Ethiopian striped mouse's natural habitats are subtropical or tropical high-altitude grassland and urban areas. It is threatened by habitat loss.
Nesokia is a genus of rodent in the family Muridae endemic to West Asia and Central Asia known as the short-tailed bandicoot rats.
Niviventer is a genus of rodent in the family Muridae endemic to Southeast Asia. It contains the following species:
The afroalpine vlei rat is a species of rodent in the family Muridae. It is found in the high moorlands of Kenya.
Pithecheir is a genus of rodent in the family Muridae endemic to Southeast Asia. It contains the following species:
Stenocephalemys is a genus of rodent in the family Muridae. The genus is endemic to Ethiopia.
Tarsomys is a genus of rodent in the family Muridae found exclusively in Mindanao, Philippines.
The king rat, or rat king, is a large species of rodent in the family Muridae. It is endemic to the island of Guadalcanal in the Solomon Islands. Like the two other species of rodent in Guadalcanal, it is placed in the genus Uromys. It lives in trees and is larger than Uromys porculus but smaller than Uromys imperator.
