Nesomyidae
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The Nesomyidae are a
family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
of
Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
n
rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are n ...
s in the large and complex superfamily
Muroidea The Muroidea are a large superfamily of rodents, including mice, rats, voles, hamsters, lemmings, gerbils, and many other relatives. Although the Muroidea originated in Eurasia, they occupy a vast variety of habitats on every continent excep ...
. It includes several subfamilies, all of which are native to either continental Africa or to
Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Afric ...
. Included in this family are Malagasy rodents, climbing mice, African rock mice, swamp mice, pouched rats, and the white-tailed rat.


Characteristics

Nesomyids are small- to medium-sized rodents, with the largest being the size of a rat. Physically, they may resemble
mice A mouse ( : mice) is a small rodent. Characteristically, mice are known to have a pointed snout, small rounded ears, a body-length scaly tail, and a high breeding rate. The best known mouse species is the common house mouse (''Mus musculus'' ...
, rats,
vole Voles are small rodents that are relatives of lemmings and hamsters, but with a stouter body; a longer, hairy tail; a slightly rounder head; smaller eyes and ears; and differently formed molars (high-crowned with angular cusps instead of lo ...
s, or
hamster Hamsters are rodents (order Rodentia) belonging to the subfamily Cricetinae, which contains 19 species classified in seven genera.Fox, Sue. 2006. ''Hamsters''. T.F.H. Publications Inc. They have become established as popular small pets. The ...
s, depending on the species and subfamily. Their diets vary from fairly strict
herbivory A herbivore is an animal anatomically and physiologically adapted to eating plant material, for example foliage or marine algae, for the main component of its diet. As a result of their plant diet, herbivorous animals typically have mouthpart ...
to nearly pure
insectivory A robber fly eating a hoverfly An insectivore is a carnivorous animal or plant that eats insects. An alternative term is entomophage, which can also refer to the human practice of eating insects. The first vertebrate insectivores wer ...
. Their habits are similarly variable, with some species climbing trees, and others burrowing in the ground. They give birth to up to four young after a
gestation Gestation is the period of development during the carrying of an embryo, and later fetus, inside viviparous animals (the embryo develops within the parent). It is typical for mammals, but also occurs for some non-mammals. Mammals during pr ...
period around six weeks.


Classification

Many of these animals were once thought to be related to other groups of
muroid The Muroidea are a large superfamily of rodents, including mice, rats, voles, hamsters, lemmings, gerbils, and many other relatives. Although the Muroidea originated in Eurasia, they occupy a vast variety of habitats on every continent excep ...
rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are n ...
s, but this African-based
clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English ter ...
has been proposed and confirmed on the basis of
gene In biology, the word gene (from , ; "...Wilhelm Johannsen coined the word gene to describe the Mendelian units of heredity..." meaning ''generation'' or ''birth'' or ''gender'') can have several different meanings. The Mendelian gene is a b ...
tic studies. Such alternate arrangement include the pouched rats in the family
Muridae The Muridae, or murids, are the largest family of rodents and of mammals, containing approximately 1,383 species, including many species of mice, rats, and gerbils found naturally throughout Eurasia, Africa, and Australia. The name Muridae comes ...
, and the white-tailed rat in the family
Cricetidae The Cricetidae are a family of rodents in the large and complex superfamily Muroidea. It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice. At almost 608 species, it is the second-largest family of mammals, and h ...
. Likewise, all members of the Nesomyidae are often placed in the family Muridae along with all other members of the Muroidea. Nesomyids are classified in six subfamilies, 21
genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...
, and 68
species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriat ...
. FAMILY NESOMYIDAE *Subfamily Cricetomyinae - pouched rats **Genus '' Beamys'' ***
Lesser hamster-rat The lesser hamster-rat or long-tailed pouched rat (''Beamys hindei'') is a species of rodent in the family Nesomyidae. It is found in Kenya and Tanzania. Its natural habitat is subtropical or tropical moist lowland coastal forests. It is threaten ...
, ''Beamys hindei'' ***
Greater hamster-rat The greater hamster-rat, greater long-tailed pouched rat, or long-tailed pouched rat (''Beamys major'') is a species of rodent in the family Nesomyidae. It is found in Malawi, Tanzania, and Zambia. Its natural habitats are subtropical or tropical ...
, ''Beamys major'' **Genus '' Cricetomys'' - giant pouched rats ***
Southern giant pouched rat The southern giant pouched rat (''Cricetomys ansorgei'') is a species of rodent in the family Nesomyidae. It is distributed in the savannah of East and Southern Africa. Synonyms A large number of synonyms have been noted for this species. They i ...
, ''Cricetomys ansorgei'' ***
Gambian pouched rat The Gambian pouched rat (''Cricetomys gambianus''), also commonly known as the African giant pouched rat, is a species of nocturnal pouched rat of the giant pouched rat genus ''Cricetomys'', in the family Nesomyidae. It is among the largest mu ...
, ''Cricetomys gambianus'' ***
Emin's pouched rat Emin's pouched rat ''(Cricetomys emini)'', also known as the African pouched rat, is a large rat of the muroid superfamily. It is related to ''Cricetomys gambianus'', the Gambian pouched rat. Both species belong to '' Cricetomys'', the genus of t ...
, ''Cricetomys emini'' ***
Kivu giant pouched rat The Kivu giant pouched rat (''Cricetomys kivuensis'') is a species of rodent in the family Nesomyidae.Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. (2012)''Cricetomys kivuensis'' The Animal Diversity Web (online). ...
, ''Cricetomys kivuensis'' **Genus '' Saccostomus'' - pouched mice ***
South African pouched mouse The South African pouched mouse or southern African pouched mouse (''Saccostomus campestris'') is a species of rodent in the family Nesomyidae, which is viewed as actually representing a complex of at least three undescribed species. It is found ...
, ''Saccostomus campestris'' *** Mearns's pouched mouse, ''Saccostomus mearnsi'' *Subfamily Delanymyinae **Genus '' Delanymys'' *** Delany's mouse, ''Delanymys brooksi'' *Subfamily
Dendromurinae Dendromurinae is a subfamily of rodents in the family Nesomyidae and superfamily Muroidea. The dendromurines are currently restricted to Africa, as is the case for all extant members of the family Nesomyidae. The authorship of the subfamily h ...
**Genus ''
Dendromus Mice in the genus ''Dendromus'' are commonly referred to as African climbing mice or tree mice, although these terms are often used to describe all members of the subfamily Dendromurinae. The genus is currently restricted to sub-Saharan Africa, ...
'' - climbing mice *** Remarkable climbing mouse, ''Dendromus insignis'' ***
Mount Kahuzi climbing mouse The Mount Kahuzi climbing mouse (''Dendromus kahuziensis'') is a rodent found only in the Democratic Republic of the Congo. It is listed as a critically endangered species due to illegal logging Illegal logging is the harvest, transportation, ...
, ''Dendromus kahuziensis'' ***
Monard's African climbing mouse Monard's African climbing mouse (''Dendromus leucostomus'') is a species of rodent in the family Nesomyidae. It is endemic to east-central Angola, but only recorded in the type locality of Caluquembe. The IUCN The International Union for Con ...
, ''Dendromus leucostomus'' ***
Lovat's climbing mouse Lovat's climbing mouse (''Dendromus lovati'') is a species of rodent in the family Nesomyidae. It is found only in Ethiopia. Its natural habitat is subtropical or tropical high-altitude grassland A grassland is an area where the vegetation ...
, ''Dendromus lovati'' *** Gray climbing mouse, ''Dendromus melanotis'' *** Brants's climbing mouse, ''Dendromus mesomelas'' *** Banana climbing mouse, ''Dendromus messorius'' ***
Chestnut climbing mouse The chestnut climbing mouse (''Dendromus mystacalis'') is a species of rodent in the family Nesomyidae. It is found in Angola, Democratic Republic of the Congo, Ethiopia, Kenya, Lesotho, Malawi, Mozambique, Rwanda, South Africa, Eswatini, Tanzan ...
, ''Dendromus mystacalis'' *** Kivu climbing mouse, ''Dendromus nyasae (kivu)'' *** Nyika climbing mouse, ''Dendromus nyikae'' *** Cameroon climbing mouse, ''Dendromus oreas'' ***''
Dendromus ruppi Mice in the genus ''Dendromus'' are commonly referred to as African climbing mice or tree mice, although these terms are often used to describe all members of the subfamily Dendromurinae. The genus is currently restricted to sub-Saharan Africa, ...
'' ***
Vernay's climbing mouse Vernay's climbing mouse (''Dendromus vernayi'') is a species of rodent in the family Nesomyidae. It is found only in Angola. Its natural habitat is moist savanna A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) ec ...
, ''Dendromus vernayi'' **Genus ''
Megadendromus Nikolaus's mouse (''Megadendromus nikolausi'') is a species of rodent in the family Nesomyidae. It is the only species in the genus ''Megadendromus''. It is found only in Ethiopia. Its natural habitat is subtropical or tropical high-altitude shr ...
'' *** Nikolaus's mouse, ''Megadendromus nikolausi'' **Genus '' Dendroprionomys'' *** Velvet climbing mouse, ''Dendroprionomys rousseloti'' **Genus '' Prionomys'' *** Dollman's climbing mouse, ''Prionomys batesi'' **Genus '' Malacothrix'' ***
Gerbil mouse The gerbil mouse or long-eared mouse (''Malacothrix typica'') is a species of rodent in the family Nesomyidae. It is found in Angola, Botswana, Namibia, and South Africa. Its natural habitats are dry savanna, subtropical or tropical dry shrubland ...
, ''Malacothrix typica'' **Genus '' Steatomys'' - fat mice *** Bocage's African fat mouse, ''Steatomys bocagei'' *** Northwestern fat mouse, ''Steatomys caurinus'' *** Dainty fat mouse, ''Steatomys cuppedius'' *** Jackson's fat mouse, ''Steatomys jacksoni'' *** Kreb's fat mouse, ''Steatomys krebsii'' *** Pousargues's African fat mouse, ''Steatomys opimus'' *** Tiny fat mouse, ''Steatomys parvus'' *** Fat mouse, ''Steatomys pratensis'' *Subfamily Mystromyinae **Genus '' Mystromys'' *** White-tailed rat, ''Mystromys albicaudatus'' *Subfamily Nesomyinae - Malagasy rodents **Genus '' Brachytarsomys'' - Malagasy white-tailed rats *** White-tailed antsangy, ''Brachytarsomys albicauda'' *** Hairy-tailed antsangy, ''Brachytarsomys villosa'' **Genus '' Brachyuromys'' - Malagasy short-tailed rats *** Betsileo short-tailed rat, ''Brachyuromys betsileoensis'' *** Gregarious short-tailed rat, ''Brachyuromys ramirohitra'' **Genus ''
Eliurus ''Eliurus'' is a genus of rodent in the family Nesomyidae. It contains the following species: * Tsingy tufted-tailed rat (''Eliurus antsingy'') * Ankarana Special Reserve tufted-tailed rat (''Eliurus carletoni'') * Ellerman's tufted-tailed rat ...
'' - tufted-tailed rats *** Tsingy tufted-tailed rat, ''Eliurus antsingy'' *** Ankarana Special Reserve tufted-tailed rat, ''Eliurus carletoni'' *** Ellerman's tufted-tailed rat, ''Eliurus ellermani'' *** Daniel's tufted-tailed rat, ''Eliurus danieli'' *** Grandidier's tufted-tailed rat, ''Eliurus grandidieri'' *** Major's tufted-tailed rat, ''Eliurus majori'' *** Lesser tufted-tailed rat, ''Eliurus minor'' *** Dormouse tufted-tailed rat, ''Eliurus myoxinus'' *** White-tipped tufted-tailed rat, ''Eliurus penicillatus'' *** Petter's tufted-tailed rat, ''Eliurus petteri'' *** Tanala tufted-tailed rat, ''Eliurus tanala'' *** Webb's tufted-tailed rat, ''Eliurus webbi'' **Genus ''
Gymnuromys The voalavoanala (''Gymnuromys roberti'') is a species of rodent in the family Nesomyidae The Nesomyidae are a family of African rodents in the large and complex superfamily Muroidea. It includes several subfamilies, all of which are native ...
'' ***
Voalavoanala The voalavoanala (''Gymnuromys roberti'') is a species of rodent in the family Nesomyidae. It is the only species in the genus ''Gymnuromys''. It is found only in Madagascar. Its natural habitat is tropical dry forest The tropical and subtrop ...
, ''Gymnuromys roberti'' **Genus ''
Hypogeomys ''Hypogeomys'' is a genus of rodents in the family Nesomyidae, found in Madagascar. There is one extant species, the Malagasy giant rat (''Hypogeomys antimena''), currently an endangered species with a restricted range. There is also another spe ...
'' *** Votsovotsa (Malagasy giant rat), ''Hypogeomys antimena'' **Genus '' Macrotarsomys'' - big-footed mice *** Bastard big-footed mouse, ''Macrotarsomys bastardi'' *** Greater big-footed mouse, ''Macrotarsomys ingens'' *** Petter's big-footed mouse, ''Macrotarsomys petteri'' **Genus '' Monticolomys'' *** Malagasy mountain mouse, ''Monticolomys koopmani'' **Genus ''
Nesomys ''Nesomys'', also called red forest rats, is a genus of rodent in the family Nesomyidae. It is found only on Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; ...
'' *** White-bellied nesomys, ''Nesomys audeberti'' *** Western nesomys, ''Nesomys lambertoni'' ***
Island mouse The island mouse or eastern red forest rat (''Nesomys rufus'') is a species of rodent in the family Nesomyidae. It is endemic to Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Mada ...
, ''Nesomys rufus'' **Genus ''
Voalavo ''Voalavo'' is a genus of rodent in the subfamily Nesomyinae, found only in Madagascar. Two species are known, both of which occur in mountain forest above 1250 m (4100 ft) altitude; the northern voalavo lives in northern Madagasca ...
'' *** Eastern voalavo, ''Voalavo antsahabensis'' *** Northern voalavo, ''Voalavo gymnocaudus'' *Subfamily Petromyscinae - African rock mice **Genus '' Petromyscus'' *** Barbour's rock mouse, ''Petromyscus barbouri'' *** Pygmy rock mouse, ''Petromyscus collinus'' *** Brukkaros pygmy rock mouse, ''Petromyscus monticularis'' *** Shortridge's rock mouse, ''Petromyscus shortridgei''


References

* * * {{Taxonbar, from=Q133021 Rodent families   Extant Miocene first appearances Taxa named by Charles Immanuel Forsyth Major