The Zoochat Photographic Guide to Rodents: part two

NESOMYIDAE
Madagascan and African Rats and Mice
About 65-70 species in 21 genera, of which seventeen species from eight genera are represented in the Zoochat galleries.

A relatively small Family of the Myomorpha, the members of which were variously included in either Muridae ("true" rats and mice) or Cricetidae (hamsters, voles, etc) until quite recently. All species in Nesomyidae are endemic to either continental Africa or to Madagascar.


The Family is divided into six Subfamilies as follows:

Cricetomyinae (African pouched rats) - about six to ten species in three genera (Beamys, Cricetomys, Saccostomus).
Three species are depicted here, from the genera Beamys and Cricetomys.

Delanymyinae (Delany's Mouse) - one species, in the genus Delanymys.
The species is not depicted here.

Dendromurinae (African tree mice) - about 25 species in six genera (Dendromus, Megadendromus, Dendroprionomys, Prionomys, Malacothrix, Steatomys).
One species is depicted here, from the genus Dendromus.

Mystromyinae (White-tailed Rat) - one species, in the genus Mystromys.
The species is not depicted here.

Nesomyinae (Madagascan rats and mice) - about 27 species in nine genera (Brachytarsomys, Brachyuromys, Eliurus, Gymnuromys, Hypogeomys, Macrotarsomys, Monticolomys, Nesomys, Voalavo).
Thirteen species are depicted here, from the genera Brachytarsomys, Eliurus, Hypogeomys, Macrotarsomys and Nesomys.

Petromyscinae (African rock mice) - four species, in the single genus Petromyscus.
No species are depicted here.


The accounts will follow the order of genera as given above (alpabetically within subfamily).
 
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Cricetomyinae (African pouched rats)
About six to ten species in three genera (Beamys, Cricetomys, Saccostomus).

Three species are represented in the Zoochat galleries, from the genera Beamys and Cricetomys.


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Beamys
One or two species, one of which is represented in the Zoochat galleries.

The larger of the two species (B. major) may be treated as a subspecies of B. hindei, with the size differences due simply to a distributional cline.


Lesser Long-tailed Pouched Rat Beamys hindei
Monotypic (if B. major is separated).


Photo by @Maguari at Plzen Zoo (Czech Republic)

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Long-tailed Pouched Rat at Pilsen, 01/09/12 - ZooChat


Greater Long-tailed Pouched Rat Beamys major


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Cricetomys
One to six species, two of which are represented in the Zoochat galleries.

This genus has a really variable taxonomy. The most common opinions are either to lump it as one species (C. gambianus), or to treat it as two species (savannah-dwelling C. gambianus and forest-dwelling C. emini). Further splits would produce four species (with C. ansorgei split from C. gambianus; and C. kivuensis split from C. emini). At times even more species have been recognised. As many as thirty subspecies have also been used at various times.

Here I will follow the two-species model, but see this 2012 paper by Olayemi et al which puts forth that there are at least six species (recognising C. ansorgei as distinct from C. gambianus; and finding three further undescribed taxa hidden in C. emini): Taxonomy of the African giant pouched rats (Nesomyidae: Cricetomys ): molecular and craniometric evidence support an unexpected high species diversity


Gambian Pouched Rat Cricetomys gambianus
Between 20 and 30 subspecies have been used in the past. Kingdon's Mammals of Africa considers it to be monotypic, but notes that seven subspecies may be recognised (and further noting that if C. ansorgei is split then some of those subspecies would fall under that species).

Photo by @Giant Eland at Monster World Pattaya (Thailand)

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Gambian pouched rat (Cricetomys gambianus)? Species ID? - ZooChat


Emin's Pouched Rat Cricetomys emini
Treated as monotypic in Kingdon's Mammals of Africa, although nine synonyms are listed (most of which have been used as subspecies in the past) and it is also noted that kivuensis has been considered to be a distinct species. See also the 2012 paper by Olayemi et al linked earlier which discusses cryptic species within C. emini.

Photo by @Michal Sloviak at Plzen Zoo (Czech Republic)
(Note that this species is variably-coloured, from orange-brown [as here] to brownish-black)

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Emin's Pouched Rat (Cricetomys emini) - ZooChat

Photo by @Maguari at Plzen Zoo (Czech Republic)

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Emin's Giant Pouched Rat at Pilsen, 31/08/12 - ZooChat


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Saccostomus
Two species, neither of which are represented in the Zoochat galleries.


Cape or South African Pouched Mouse Saccostomus campestris
Mearns's Pouched Mouse Saccostomus mearnsi
 
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Delanymyinae
One species, not represented in the Zoochat galleries.


Delanymys

Delany's Mouse Delanymys brooksi
 
Dendromurinae (African tree mice)
About 25 species in six genera (Dendromus, Megadendromus, Dendroprionomys, Prionomys, Malacothrix, Steatomys).

Only one species is represented in the Zoochat galleries, from the genus Dendromus.


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Dendromus
At least ten to fifteen species. Kingdon's Mammals of Africa lists eleven species and comments that the genus is one of the most taxonomically challenging rodent genera in Africa due to their homogeneous morphology but extremely variable colouration and patterning. They further note that over fifty different forms have been named within the genus.


This only photo in the Zoochat galleries of a Dendromus is the one below, although the specific identity beyond the genus is not clear (possibly D. nyikae):

Photo by @Giant Eland of a wild-caught animal, Zambia

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Dendromus sp. - ZooChat


Remarkable Climbing Mouse Dendromus insignis
Mount Kahuzi Climbing Mouse Dendromus kahuziensis
Lachaise's Climbing Mouse Dendromus lachaisei (described in 2012)
Monard's African Climbing Mouse Dendromus leucostomus (synonymised with D. melanotis by Kingdon)
Lovat's Climbing Mouse Dendromus lovati
Grey Climbing Mouse Dendromus melanotis
Banana Climbing Mouse Dendromus messorius
Chestnut Climbing Mouse Dendromus mystacalis
Kivu Climbing Mouse Dendromus nyasae (there is confusion over whether this name is synonymous with Dendromus kivu or if they are two separate species)
Brants' Climbing Mouse Dendromus mesomelas
Nyika Climbing Mouse Dendromus nyikae
Cameroon Climbing Mouse Dendromus oreas
Rupp's Climbing Mouse Dendromus ruppi (described in 2009)
Vernay's Climbing Mouse Dendromus vernayi


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Megadendromus
One species

Nikolaus' Mouse Megadendromus nikolausi


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Dendroprionomys
One species

Velvet Climbing Mouse Dendroprionomys rousseloti


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Prionomys
One species

Dollman's Climbing Mouse Prionomys batesi


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Malacothrix
One species

Gerbil Mouse Malacothrix typica


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Steatomys
Currently eight species are recognised, but formerly as many as eighteen have been recognised.

Bocage's Fat Mouse Steatomys bocagei
Northwestern Fat Mouse Steatomys caurinus
Dainty Fat Mouse Steatomys cuppedius
Jackson's Fat Mouse Steatomys jacksoni
Krebs' Fat Mouse Steatomys krebsii
Pousargues' Fat Mouse Steatomys opimus
Tiny Fat Mouse Steatomys parvus
Common Fat Mouse Steatomys pratensis
 
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Mystromyinae
One species, not represented in the Zoochat galleries.


Mystromys

White-tailed Rat Mystromys albicaudatus
 
Nesomyinae (Madagascan rats and mice)
About 27 species in nine genera (Brachytarsomys, Brachyuromys, Eliurus, Gymnuromys, Hypogeomys, Macrotarsomys, Monticolomys, Nesomys, Voalavo). Apart for Eliurus (with twelve species) all genera currently contain only one to three species each.

Thirteen species are represented in the Zoochat galleries, from the genera Brachytarsomys, Eliurus, Hypogeomys, Macrotarsomys and Nesomys.


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Brachytarsomys
Two species, one of which is represented in the Zoochat galleries.


White-tailed Rat or White-tailed Antsangy Brachytarsomys albicauda
Monotypic

Photo by @Jakub at Zoo Jihlava (Czech Republic)

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White-tailed antsangy - ZooChat


Photo by @lintworm at Zoo Wroclaw (Poland). I have used this lesser-quality photo because it shows the bi-coloured tail fully.

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White-tailed Antsangy - ZooChat



The second species in the genus is the Hairy-tailed Tree Rat or Hairy-tailed Antsangy Brachytarsomys villosa


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Brachyuromys
Two species, neither of which are represented in the Zoochat galleries.

Betsileo Short-tailed Rat Brachyuromys betsileoensis
Gregarious Short-tailed Rat Brachyuromys ramirohitra


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Eliurus
Twelve species, seven of which are represented in the Zoochat galleries.


Ellerman's Tufted-tailed Rat Eliurus ellermani
Monotypic

Photo by @Giant Eland in the wild, Madagascar

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Ellerman's tufted-tailed rat (Eliurus ellermani) - ZooChat


Grandidier's Tufted-tailed Rat Eliurus grandidieri
Monotypic

Photo by @Giant Eland at Plzen Zoo (Czech Republic)

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Grandidier's Tufted-tailed rat (Eliurus grandidieri) - ZooChat


Photo by @Maguari at Plzen Zoo (Czech Republic)

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Grandidier's Tufted-tailed Rat at Pilsen, 01/09/12 - ZooChat


Major's Tufted-tailed Rat Eliurus majori
Monotypic

Photo by @Giant Eland in the wild, Madagascar

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Major's tufted-tailed rat (Eliurus majori) - ZooChat


Lesser Tufted-tailed Rat Eliurus minor
Monotypic

Photo by @Giant Eland in the wild, Madagascar

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lesser tufted-tailed rat (Eliurus minor) - ZooChat


Dormouse Tufted-tailed Rat Eliurus myoxinus
Monotypic

Photo by @Giant Eland in the wild, Madagascar

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Dormouse or Western Tufted-tailed Rat (Eliurus myoxinus) - ZooChat


Tanala Tufted-tailed Rat Eliurus tanala
Monotypic

Photo by @Giant Eland in the wild, Madagascar

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Tanala tufted-tailed rat (Eliurus tanala) - ZooChat


Webb's Tufted-tailed Rat Eliurus webbi
Monotypic

Photo by @Giant Eland in the wild, Madagascar

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Webb's Tufted-tailed Rat (Eliurus webbi) - ZooChat


The remaining species in this genus are as follows:

Tsingy Tufted-tailed Rat Eliurus antsingy
Ankarana Tufted-tailed Rat Eliurus carletoni (described in 2009)
Daniel's Tufted-tailed Rat Eliurus danieli
White-tipped Tufted-tailed Rat Eliurus penicillatus
Petter's Tufted-tailed Rat Eliurus petteri
 
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Gymnuromys
One species; not represented in the Zoochat galleries.

Voalavoanala Gymnuromys roberti


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Hypogeomys
One species


Madagascan Giant Jumping Rat or Votsotsa Hypogeomys antimena
Monotypic


Photo by @ro6ca66 at Bristol Zoo (UK)

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Malagasy jumping rat : Bristol : 22 Sep 2015 - ZooChat


Photo by @Giant Eland at Plzen Zoo (Czech Republic)

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Malagasy giant rat (Hypogeomys antimena) - ZooChat


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Macrotarsomys
Three species, one of which is represented in the Zoochat galleries.


Bastard or Western Big-footed Mouse Macrotarsomys bastardi
Monotypic. Two subspecies have been recognised (bastardi and occidentalis) but they are probably invalid.


Photo by @Giant Eland in the wild, Madagascar

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bastard big-footed mouse (Macrotarsomys bastardi) - ZooChat


Greater or Long-tailed Big-footed Mouse Macrotarsomys ingens
Petter's Big-footed Mouse Macrotarsomys petteri (described in 2005)


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Monticolomys
One species, not represented in the Zoochat galleries.

Madagascan Mountain Mouse Monticolomys koopmani


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Nesomys
Three species, all of which are represented in the Zoochat galleries.


Lowland Red Forest Rat or White-bellied Nesomys Nesomys audeberti
Monotypic


Photo by @Giant Eland in the wild, Madagascar

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white-bellied nesomys (Nesomys audeberti) - ZooChat


Western Red Forest Rat or Western Nesomys Nesomys lambertoni
Monotypic


Photo by @Giant Eland in the wild, Madagascar

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western nesomys (Nesomys lambertoni) - ZooChat


Eastern Red Forest Rat or Eastern Nesomys Nesomys rufus
Monotypic


Photo by @Giant Eland in the wild, Madagascar

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eastern red forest rat (Nesomys rufus) - ZooChat


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Voalavo
Two species, neither of which are represented in the Zoochat galleries.

Eastern Voalavo Voalavo antsahabensis
Northern Voalavo Voalavo gymnocaudus
 
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Petromyscinae (African rock mice)
Four species in the single genus Petromyscus.

None of the species are represented in the Zoochat galleries.


Petromyscus
Four species

Barbour's Rock Mouse Petromyscus barbouri
Pigmy Rock Mouse Petromyscus collinus
Brukkaros Rock Mouse Petromyscus monticularis
Shortridge's Rock Mouse Petromyscus shortridgei
 
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That is the first five families completed out of the seven in Myomorpha. They are the smallest ones, totalling only about 150-170 species (out of about 1500). The results haven't been spectacular, with only 23 species being present in the Zoochat galleries. However each family has at least one species represented by a photograph which is something I guess.
 
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Chlidonias said:
Lesser Long-tailed Pouched Rat Beamys hindei
Click to expand...

I have some sort of a picture of this species from Plzen, but not sure of the quality. Will have a look later.
 
Maguari said:
Turns out I already uploaded it (though it doesn't seem to search, for some reason): Long-tailed Pouched Rat at Pilsen, 01/09/12 - ZooChat
Click to expand...
Excellent, I'll add that in.

Searching for the full common name brings it up, but just with "pouched rat" it doesn't appear until page six so I obviously missed it. "Beamys" doesn't bring it up at all, presumably because photo comments don't get used in the search function (although I know that if there is a "description" just under the photo title, then that does).
 
Chlidonias said:
Brachytarsomys
Two species, neither of which are represented in the Zoochat galleries.

White-tailed Rat or White-tailed Antsangy Brachytarsomys albicauda
Hairy-tailed Tree Rat or Hairy-tailed Antsangy Brachytarsomys villosa
Click to expand...

It's possible I may be able to help here...but it's not up to me.
 
CRICETIDAE
Voles, Hamsters, New World Rats and Mice
About 700 species in about 140 genera, of which only 68 species from 38 genera are represented in the Zoochat galleries (with some of those only as museum specimens).


One of the two huge families in Myomorpha (the other being Muridae, also with about 700 species). This family is divided into three to five subfamilies (the three New World subfamilies may be combined as Sigmodontinae).


Arvicolinae (voles, lemmings, muskrats) - about 150 species in 28 genera (Alticola, Arborimus, Arvicola, Blanfordimys, Caryomys, Chionomys, Dicrostonyx, Dinaromys, Ellobius, Eolagurus, Eothenomys, Hyperacrius, Lagurus, Lasiopodomys, Lemmiscus, Lemmus, Microtus, Myodes, Myopus, Neodon, Neofiber, Ondatra, Phaiomys, Phenacomys, Proedromys, Prometheomys, Synaptomys, Volemys)

Only twenty-four species are depicted here, from twelve genera (Alticola, Arvicola, Dinaromys, Ellobius, Eolagurus, Lagurus, Lasiopodomys, Lemmus, Microtus, Myodes, Ondatra, Synaptomys).


Cricetinae (hamsters) - nineteen species in seven genera (Allocricetulus, Cansumys, Cricetulus, Cricetus, Mesocricetus, Phodopus, Tscherskia)

Seven species from four genera are depicted here (Cricetulus, Cricetus, Mesocricetus, Phodopus).


Neotominae (North American rats and mice) - about 125 species in sixteen genera (Baiomys, Habromys, Hodomys, Isthmomys, Megadontomys, Nelsonia, Neotoma, Neotomodon, Ochrotomys, Onychomys, Osgoodomys, Peromyscus, Podomys, Reithrodontomys, Scotinomys, Xenomys)

Only twelve species from five genera are depicted here (Baiomys, Neotoma, Onychomys, Peromyscus and Reithrodontomys).


Tylomyinae (New World climbing rats) - eleven species in four genera (Nyctomys, Otonyctomys, Ototylomys, Tylomys)

Three species from three genera are depicted here (Nyctomys, Ototylomys and Tylomys).


Sigmodontinae (New World rats and mice) - about 400 species in about 83 extant genera (I have also included some historically-extinct genera here) (Abrawayaomys, Abrothrix, Aegialomys, Aepeomys, Akodon, Amphinectomys, Andalgalomys, Andinomys, Anotomys, Auliscomys, Bibimys, Blarinomys, Brucepattersonius, Calomys, Cerradomys, Chelemys, Chibchanomys, Chilomys, Chinchillula, Delomys, Deltamys, Drymoreomys, Eligmodontia, Eremoryzomys, Euneomys, Euryoryzomys, Galenomys, Geoxus, Graomys, Handleyomys, Holochilus, Hylaeamys, Ichthyomys, Irenomys, Juliomys, Juscelinomys, Kunsia, Lenoxus, Loxodontomys, Lundomys, Megalomys [extinct], Megaoryzomys [extinct], Melanomys, Microakodontomys, Microryzomys, Mindomys, Neacomys, Necromys, Nectomys, Neomicroxus, Neotomys, Nephelomys, Nesoryzomys, Neusticomys, Noronhomys [extinct], Notiomys, Oecomys, Oligoryzomys, Oreoryzomys, Oryzomys, Oxymycterus, Pattonimus, Phaenomys, Phyllotis, Podoxymys, Pseudoryzomys, Punomys, Reithrodon, Rhagomys, Rheomys, Rhipidomys, Salinomys, Scapteromys, Scolomys, Sigmodon, Sigmodontomys, Sooretamys, Tanyuromys, Tapecomys, Thalpomys, Thaptomys, Thomasomys, Transandinomys, Wiedomys, Wilfredomys, Zygodontomys)

Only twenty-two species from fourteen genera are depicted here (Abrothrix, Akodon, Andalgalomys, Auliscomys, Calomys, Graomys, Irenomys, Oecomys, Oligoryzomys, Phyllotis, Reithrodon, Rhipidomys, Sigmodon, Sooretamys).
 
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Arvicolinae (voles, lemmings, muskrats)
About 150 species in 28 genera (Alticola, Arborimus, Arvicola, Blanfordimys, Caryomys, Chionomys, Dicrostonyx, Dinaromys, Ellobius, Eolagurus, Eothenomys, Hyperacrius, Lagurus, Lasiopodomys, Lemmiscus, Lemmus, Microtus, Myodes, Myopus, Neodon, Neofiber, Ondatra, Phaiomys, Phenacomys, Proedromys, Prometheomys, Synaptomys, Volemys)


Only twenty-four species are represented in the Zoochat galleries, from twelve genera (Alticola, Arvicola, Dinaromys, Ellobius, Eolagurus, Lagurus, Lasiopodomys, Lemmus, Microtus, Myodes, Ondatra, Synaptomys).



The subfamily is divided into ten Tribes:

Arvicolini (voles)
About ninety species in ten to twelve genera: Arborimus, Arvicola, Blanfordimys, Chionomys, Lasiopodomys, Lemmiscus, Microtus, Neodon, Phaiomys, Phenacomys, Proedromys, Volemys

The five species of tree and heather voles in the North American genera Arborimus and Phenacomys probably belong in this Tribe but their placement in the subfamily is uncertain. I am including them here in the following lists.

Twelve species from three genera are depicted here: Arvicola, Lasiopodomys, Microtus.


Dichrostonychini (collared lemmings)
Eight species in the single genus Dichrostonyx

No species are depicted here.


Ellobiusini (mole voles)
Five species in the single genus Ellobius.

One species is depicted here (as a museum specimen).


Lagurini (steppe lemmings)
Three species in two genera: Eolagurus, Lagurus

Two species, representing both genera, are depicted here.


Lemmini ("true" lemmings)
Eight species in three genera: Lemmus, Myopus, Synaptomys.

Two species from two genera are depicted here: Lemmus, Synaptomys.


Myodini (Asian voles)
About 36 species in five genera: Alticola, Caryomys, Eothenomys, Hyperacrius, Myodes.

Five species from two genera are depicted here: Alticola, Myodes.


Neofibrini (Round-tailed Muskrat)
One species, in the genus Neofiber.

The single species is not depicted here.


Ondatrini (Muskrat)
One species, in the genus Ondatra.

The single species is depicted here.


Pliomyini (Balkan Snow Vole)
One species, in the genus Dinaromys.

The single species is depicted here.


Prometheomyini (Long-clawed Mole Vole)
One species, in the genus Prometheomys.

The single species is not depicted here.



In the following posts the genera will be presented as per the above (alphabetically within individual Tribes).
 
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Arvicolini (voles) is the first Tribe from Arvicolinae. It contains about ninety species in ten to twelve genera: Arborimus, Arvicola, Blanfordimys, Chionomys, Lasiopodomys, Lemmiscus, Microtus, Neodon, Phaiomys, Phenacomys, Proedromys, Volemys. Two-thirds of the species in this Tribe are in the genus Microtus.


Two of the genera listed above - Arborimus (tree voles) and Phenacomys (heather voles) - probably belong in this Tribe but their placement in the subfamily is uncertain. I am including them here for the sake of simplicity. These two genera may also be combined (as Phenacomys).


Only twelve species from three genera are depicted here: Arvicola, Lasiopodomys, Microtus.
 
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Arborimus
Three species, although the taxonomy has been the source of much debate.

Depending on author the genus may also be merged with (treated as a subgenus of) Phenacomys.

None of the species are represented in the Zoochat galleries.


White-footed Vole Arborimus albipes
Red Tree Vole Arborimus longicaudus
Sonoma Tree Vole Arborimus pomo


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Arvicola
Between three and five species, of which three are represented in the Zoochat galleries.

There have been many papers published about how many species are contained within this genus, from it being considered monotypic through to as many as seven species being recognised (amphibius, illyricus, italicus, musignani, persicus, sapidus, scherman [syn. monticola]). The taxonomy is complicated by the fact that there are distinct aquatic and fossorial populations which have in the past been treated as separate species but which genetic studies show are the same species (e.g. as in A. amphibius and A. terrestris). Currently somewhere between three and five valid species is the usual treatment.


European or Northern Water Vole Arvicola amphibius
Probably a species-complex. More than 35 subspecies have been described but it is difficult finding any authoritative opinions on their validity. Several have been split off in recent years as full species (e.g. italicus, persicus, scherman [syn. monticola]).

Note: A.terrestris is a synonym of A. amphibius.

Photo by @Tomek at the New Forest Wildlife Park (UK) (British subspecies amphibius)

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Water Vole - ZooChat


Photo by @devilfish at the Arundel Wetland Centre (UK) (British subspecies amphibius)

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Wild water vole, 17th October 2012 - ZooChat


Southern Water Vole Arvicola sapidus
Two subspecies: sapidus, tenebricus


Photo by @Merintia of a wild animal, Spain

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Arvicola sapidus - ZooChat


Montane Water Vole Arvicola scherman
About four subspecies: cantabriae, exitus, monticola, scherman.

Note: A. monticola is a synonym for A. scherman.


Photo by @Chlidonias at the Otago Museum (New Zealand); note that this is a very old taxidermy mount and does not represent the colouration as it would appear in the living animal.

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Montane Water Vole (Arvicola scherman), Otago Museum - ZooChat



The other species of Arvicola are not depicted here - all have in the past (and still by various authors) been considered to be subspecies of A. amphibius:

Italian Water Vole Arvicola italicus
Iranian Water Vole Arvicola persicus


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Blanfordimys
Two species, neither of which are represented in the Zoochat galleries.

Afghan Vole Blanfordimys afghanus
Bucharian Vole Blanfordimys bucharicus


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Chionomys
Three species, none of which are represented in the Zoochat galleries.

Caucasian Snow Vole Chionomys gud
European Snow Vole Chionomys nivalis
Robert's Snow Vole Chionomys roberti


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Lasiopodomys
Three to five species, one of which is represented in the Zoochat galleries.

The genus was formerly included within Microtus. The species Lasiopodomys gregalis is usually still included in Microtus but I have placed it here as per Rapid Karyotype Evolution in Lasiopodomys Involved at Least Two Autosome – Sex Chromosome Translocations.


Brandt's Vole Lasiopodomys brandtii
Monotypic? (I can't find anything on subspecies)

Photo by @Maguari at Plzen Zoo (Czech Republic)

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Brandt's Vole at Pilsen, 31/08/12 - ZooChat


Photo by @baboon in the wild, China

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Brandt's vole - ZooChat


The other species of Lasiopodomys are as follows:

Plateau Vole Lasiopodomys fuscus (alternatively placed in the genus Neodon)
Narrow-headed Vole Lasiopodomys gregalis (likely to be a species complex)
Mandarin Vole Lasiopodomys mandarinus
Radde's Vole Lasiopodomys raddei (a split from L. gregalis)


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Lemmiscus
One species, not represented in the Zoochat galleries. This species has also formerly been placed in the genus Lagurus.

Sagebrush Vole Lemmiscus curtatus
 
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Microtus
About sixty species, of which only eight are represented in the Zoochat galleries.


Field Vole Microtus agrestis
At least 40 different forms have been named across the species' vast distributional range but information on validity is scanty; it is likely that M. agrestis is actually a species complex.

Photo by @gentle lemur in the wild, UK (juvenile animal) (I think the British subspecies is usually given as hirtus)

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Field vole juvenile (wild) - ZooChat


Bavarian Pine Vole Microtus bavaricus
Monotypic

Photo by @remar at Alpine Zoo Innsbruck (Austria)

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Microtus bavaricus - Bavarian pine vole - ZooChat


Reed Vole Microtus fortis
Between five and ten named subspecies but their validity is unclear.

Photo by @Maguari at Tierpark Nordhorn (Germany)

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Reed Vole (Microtus fortis) at Tierpark Nordhorn 2007 - ZooChat


Guenther's Vole Microtus guentheri
Several named subspecies (at least ten) but their validity is unclear. Several have been elevated to full species by some authors (e.g. hartingi and lydius).

Photo by @TeaLovingDave at Tierpark Berlin (Germany)

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Guenthers Vole (Microtus guentheri) at Tierpark Berlin - 3 April 2014 - ZooChat


Montane Vole Microtus montanus
Fifteen subspecies: amosus, arizonensis, canescens, codiensis, dutcheri, fucosus, fusus, micropus, montanus, nanus, nevadensis, pratincola, rivularis, undosus, zygomaticus

Photo by @Giant Eland in the wild, Idaho (USA) (subspecies nanus)

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montane vole (Microtus montanus) - ZooChat


Japanese Grass Vole Microtus montebelli
Two subspecies: brevicorpus, montebelli

Photo by @Giant Eland at Inokashira Park Zoo (Japan)

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Japanese grass vole (Microtus montebelli) - ZooChat


Meadow Vole Microtus pennsylvanicus
As many as 28 subspecies have been named (several of them being insular populations).

Photo by @Giant Eland in the wild, New Jersey (USA) (I think the recognised subspecies in this state is the nominate pennsylvanicus)

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meadow vole (Microtus pennsylvanicus) in New Jersey 2008 - ZooChat


Social Vole Microtus socialis
Hugely different opinions on the taxonomy of this species exist. Several of the currently-recognised Microtus species from the Middle East were formerly considered to be populations of M. socialis, notably M. guentheri and M. irani.

Photo by @TeaLovingDave at Tierpark Schonebeck (Germany)

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Social vole (Microtus socialis) - ZooChat
 
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The species of Microtus which are not depicted in the Zoochat galleries are listed alphabetically below. Several of the following are likely to be species complexes, and others may be treated as subspecies by some authors, so do not take the list as a definite total.

Insular Vole Microtus abbreviatus
Anatolian Vole Microtus anatolicus
Common Vole Microtus arvalis
Calabria Pine Vole Microtus brachycercus
Beach Vole Microtus breweri
Cabrera's Vole Microtus cabrerae
California Vole Microtus californicus
Gray-tailed Vole Microtus canicaudus
Rock Vole Microtus chrotorrhinus
Clarke's Vole Microtus clarkei
Daghestan Pine Vole Microtus daghestanicus
Doğramaci's Vole Microtus dogramacii
Mediterranean Pine Vole Microtus duodecimcostatus
Evorsk Vole Microtus evoronensis
Felten's Vole Microtus felteni
Gerbe's Vole Microtus gerbei
Guatemalan Vole Microtus guatemalensis
Tien Shan Vole Microtus ilaeus
Persian Vole Microtus irani
Taiwan Vole Microtus kikuchii
Southern Vole Microtus levis
Liechtenstein's Pine Vole Microtus liechtensteini
Lacustrine Vole Microtus limnophilus
Long-tailed Vole Microtus longicaudus
Lusitanian Pine Vole Microtus lusitanicus
Major's Pine Vole Microtus majori
Maximowicz's Vole Microtus maximowiczii
Mexican Vole Microtus mexicanus
Middendorf's Vole Microtus middendorffi
Singing Vole Microtus miurus
Mongolian Vole Microtus mongolicus
Muisk Vole Microtus mujanensis
Alpine Pine Vole Microtus multiplex
Tarabundí Vole Microtus oaxacensis
Prairie Vole Microtus ochrogaster
Tundra Vole Microtus oeconomus
Creeping Vole Microtus oregoni
Paradox Vole Microtus paradoxus
Woodland Vole Microtus pinetorum
Qazvin Vole Microtus qazvinensis
Jalapan Pine Vole Microtus quasiater
North American Water Vole Microtus richardsoni
Sakhalin Vole Microtus sachalinensis
Savi's Pine Vole Microtus savii
Schelkovnikov's Pine Vole Microtus schelkovnikovi
Schidlovsky's Vole Microtus schidlovskii
European Pine Vole Microtus subterraneus
Transcaspian Vole Microtus transcaspicus
Tatra Pine Vole Microtus tatricus
Thomas' Pine Vole Microtus thomasi
Townsend's Vole Microtus townsendii
Zempoaltepec Vole Microtus umbrosus
Taiga Vole Microtus xanthognathus
 
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Neodon
Five species, none of which are represented in the Zoochat galleries. The species Lasiopodomys fuscus may also be placed in this genus.

Juniper Vole Neodon juldaschi
Chinese Scrub Vole Neodon irene
Sikkim Mountain Vole Neodon sikimensis
Forrest's Mountain Vole Neodon forresti
Linzhi Mountain Vole Neodon linzhiensis (described in 2016)


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Phaiomys
One species, not represented in the Zoochat galleries.

Blyth's Vole Phaiomys leucurus


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Phenacomys
Two species, neither of which are represented in the Zoochat galleries. Depending on author the genus Arborimus (3 spp) may also be merged with (treated as a subgenus of) Phenacomys.

Western Heather Vole Phenacomys intermedius
Eastern Heather Vole Phenacomys ungava


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Proedromys
Two species, neither of which are represented in the Zoochat galleries.

Duke of Bedford's Vole Proedromys bedfordi
Liang Shan Vole Proedromys liangshanensis (described in 2016)


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Volemys
Two species, neither of which are represented in the Zoochat galleries.

Szechuan Vole Volemys millicens
Marie's Vole Volemys musseri (described in 2016)
 
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