| Chinese pygmy dormouse Temporal range: Late Miocene - recent | |
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Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Platacanthomyidae |
| Genus: | Typhlomys Milne-Edwards, 1877 |
| Species: | T. cinereus |
| Binomial name | |
| Typhlomys cinereus Milne-Edwards, 1877 | |
| Subspecies | |
T. c. cinereus Contents | |
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The Chinese pygmy dormouse, (Typhlomys cinereus) is a species of rodent of the family Platacanthomyidae found in China and Vietnam.
Musser and Carleton (2005) recognized five subspecies. [2] While the northwest Vietnamese form Typhlomys cinereus chapensis is often treated as a distinct species, it falls within the normal variance of Chinese T. cinereus.
The Chinese pygmy dormouse grows to a head-and-body length of about 67 to 90 mm (2.6 to 3.5 in) with a tail of one and half times its body-length. It has prominent, nearly hairless ears and white whiskers. The dorsal fur is dark greyish-brown and the underparts are grey with white-tipped hairs. The tail has whorls of scales near its base while the hindermost two-thirds are bushy with a tufted white tail-tip. [3]
The Chinese pygmy dormouse is native to Vietnam and the Chinese provinces of Anhui, Fujian, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Shaanxi, Sichuan, Yunnan, and Zhejiang. [1]
The Chinese pygmy dormouse lives in mountain forests, including bamboo forests, where it climbs in trees. It can also burrow, but is not blind (a fact that might have been deduced from the genus name Typhlomys ). It feeds on parts of plants including leaves, stems, fruit, and seeds. Little is known about the reproduction of this species, but the females have four nipples and pregnant females containing two to four embryos have been found. [1] It may use echolocation for its nocturnal activities. [4]
The Chinese pygmy dormouse is retiring and seldom seen, so may be more abundant than is apparent. It is present in primary forest and the edge of degraded forest, but does not seem to inhabit secondary forest. A number of national parks and other protected areas are within its range, and no particular threats have been identified, so the International Union for Conservation of Nature has assessed it as being of "least concern". [1]
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 except Antarctica. Some authorities have placed all members of this group into a single family, Muridae, due to difficulties in determining how the subfamilies are related to one another. Many of the families within the Muroidea superfamily have more variations between the families than between the different clades. A possible explanation for the variations in rodents is because of the location of these rodents; these changes could have been due to radiation or the overall environment they migrated to or originated in. The following taxonomy is based on recent well-supported molecular phylogenies.
The rodent family Platacanthomyidae, or Oriental dormice, includes the spiny dormice and the Chinese pygmy dormice. In spite of their appearance, these animals are not true dormice, but are part of the large and complex superfamily Muroidea. The platacanthomyids can be distinguished from the true dormice, because they have no premolars, giving them three cheek teeth, like their relatives, the Muroidea.
Notiomys edwardsii, also known as Edwards's long-clawed mouse, Edward's long-clawed akodont, or Milne-Edwards' long-clawed mouse, is a rodent in the tribe Abrotrichini from southern Argentina. It is the only species in the genus Notiomys, although species of Chelemys and Geoxus were formerly included in that genus.
The Chapa pygmy dormouse or Vietnamese pygmy dormouse is a rodent endemic to Vietnam. It is listed as a critically endangered species. It is often considered a separate species, but is now recognized as a subspecies of the Chinese pygmy dormouse.
The Malabar spiny dormouse is a species of muroid rodent endemic to the Western Ghats of India. It is the only extant species in the genus Platacanthomys and although resembling a dormouse, it is not closely related. About the size of a brown rat, this arboreal species lives in tree holes in dense forest habitats in a small family group. They are distinguishable from other species in the area by their bushy tuft tip to the tail and the spiny fur on the back.
The eastern pygmy possum is a diprotodont marsupial of south-eastern Australia. Occurring from southern Queensland to eastern South Australia and also Tasmania, it is found in a range of habitats, including rainforest, sclerophyll forest, woodland and heath.
The Mount Oku hylomyscus is a species of rodent in the family Muridae. Found only on Mount Oku, Cameroon, in tropical Central Africa, its natural habitat is tropical moist montane forests. It has a very small range and is threatened by habitat destruction, so the International Union for Conservation of Nature has rated its conservation status as being "critically endangered".
The Ethiopian forest brush-furred rat or golden-footed brush-furred rat, is a species of rodent in the family Muridae. It is endemic to Ethiopia where its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss.
Oligoryzomys destructor, also known as Tschudi's colilargo or the destructive pygmy rice rat, is a species of rodent in the genus Oligoryzomys of family Cricetidae. It is found along the eastern Andes from southern Colombia, through Ecuador, Peru, and Bolivia into northern Argentina. Its karyotype has 2n = 60 and FNa = 76.
Oligoryzomys magellanicus, also known as the Patagonian colilargo and the Magellanic pygmy rice rat, is a species of rodent in the genus Oligoryzomys of the family Cricetidae. It is found in the southernmost parts of Argentina and Chile, including Tierra del Fuego and other outlying islands. Its karyotype has 2n = 54 and FNa = 66.
The bushy-tailed jird or bushy-tailed dipodil is a species of rodent in the family Muridae. It is the only species in the genus Sekeetamys. It is found in Egypt, Israel, Jordan, Saudi Arabia, and Sudan. Its natural habitat is rocky areas.
The Indian gerbil also known as antelope rat, is a species of rodent in the family Muridae.
Muennink's spiny rat or Okinawa spiny rat is a species of rodent in the family Muridae. Endemic to Okinawa Island, Japan, its natural habitat is subtropical moist broadleaf forest. The karyotype has 2n = 44. Its sex chromosomes are abnormally large, while the other two species in Tokudaia have lost their Y chromosome. It is found only on the northern part of the island, above 300 m, and is thought to inhabit an area of less than 3 km2.
The Angolan African dormouse is a species of rodent in the family Gliridae. Found in central and north Angola and western Zambia, it has been recorded from seven localities over an altitudinal range from 1,000 to 2,000 m above sea level. Its natural habitat is tropical dry forests. Although the population size is unknown, it is thought to be generally uncommon.
Kozlov's pygmy jerboa is a species of rodent in the family Dipodidae. It is found in northwestern China and southern and eastern Mongolia. Its natural habitat is temperate desert.
Petter's tufted-tailed rat is a rodent in the genus Eliurus found in lowland eastern Madagascar. First described in 1994, it is most closely related to the smaller Eliurus grandidieri. Virtually nothing is known of its natural history, except that it occurs in rainforest and is nocturnal and solitary. It is threatened by destruction and fragmentation of its habitat and is listed as "Vulnerable" on the IUCN Red List.
Millet's leopoldamys is a species of rodent from the family Muridae. It lives in the Langbian highlands of southern Vietnam, although its distribution limits are currently unresolved. It is listed as Least Concern on the IUCN Red List, and though only a handful of museum specimens signify its existence, it is presumed to have a high, stable population. There are no apparent major threats to the species, and it occurs in a number of protected Vietnamese areas. Millet's leopoldamys is a large, terrestrial omnivore that prefers montane forest, but is tolerant of secondary forest.
