The Sciurids or squirrels are a large family of rodents. It includes tree squirrels, ground squirrels, chipmunks, the marmots (which include woodchucks) and also the Eurasian flying squirrels, but not the African scaly-tailed flying squirrels, which belong to the family Anomaluridae and are not sciurids at all. Sciurids are found in all continents except Australasia and Antarctica. Genera Many, see the article Sciuridae. ... Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... Families Many, see text The order Rodentia is the most numerous of all the branches on the mammal family tree. ... This article is about the animal. ... Species see text Marmots are members of the genus Marmota, in the rodent family Sciuridae (squirrels). ... This article is about the mammal. ... African-Eurasian aspect of Earth Eurasia is the landmass composed of the continents of Europe and Asia. ... Two groups of rodents are referred to as flying squirrels. ... Genera Anomalurus, Idiurus, Zenkerella The Anomaluridae or scaly-tailed flying squirrels are a family of rodents found in central Africa. ...

The following list of genera is non-authoritative, and has not been placed in an order that reflects current taxonomic or cladistic research. The list given here classified the family into 280 species grouped into 48 genera, but it is important to realise that biological classification is never final or completely agreed, and other slightly different lists will be encountered. In addition, current studies in molecular evolution are likely to lead to some revision of the classification of this group, as of many others. See genus (mathematics) for the use of the term in mathematics. ... Greek clados = branch) or phylogenetic systematics is a branch of biology that determines the evolutionary relationships of living things based on derived similarities. ... Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... Molecular evolution is the process of the genetic material in populations of organisms changing over time. ...

Sciurids are classified into two subfamilies, Sciurinae (tree and ground squirrels), and Petauristinae (flying squirrels): Genera Many: see text. ... Two groups of rodents are referred to as flying squirrels. ...

Subfamily Petauristinae

• Aeretes, 1 species, the Groove-toothed Flying Squirrel, northeast China.
• Aeromys, 2 species, Thailand to Borneo.
• Belomys, 1 species, the Hairy-footed Flying Squirrel, southeast Asia.
• Eupetaurus, 1 species, the Woolly Flying Squirrel, Kashmir; rare.
• Glaucomys (American flying squirrels), 2 species, the Northern Flying Squirrel and the Southern Flying Squirrel, North America.
• Hylopetes, 7 species, southeast Asia.
• Iomys, 1 species, Horsfield's Flying Squirrel, Malaysia and Indonesia.
• Petaurillus (pygmy flying squirrels), 3 species, Borneo and Malaya.
• Petaurista (giant flying squirrels), 5 species, southeast Asia.
• Petinomys, 9 species, southeast Asia.
• Pteromys, 2 species, Finland to Japan (Japanese Dwarf Flying Squirrel).
• Pteromyscus, 1 species, the Smoky Flying Squirrel, southern Thailand to Borneo.
• Trogopterus, 1 species, the Complex-toothed Flying Squirrel, China.

Two groups of rodents are referred to as flying squirrels. ... Borneo (including the Kalimantan provinces of Indonesia, Sabah and Sarawak of Malaysia, and Brunei) is the third largest island in the world. ... Binomial name Eupetaurus cinereus The Woolly Flying Squirrel (Eupetaurus cinereus) is the sole species placed in the genus Eupetaurus. ... Binomial name Eupetaurus cinereus Thomas, 1888 The Woolly Flying Squirrel (Eupetaurus cinereus) is the sole species placed in the genus Eupetaurus. ... Shown in green is the Kashmiri region under Pakistani control. ... Binomial name Glaucomys sabrinus (Shaw, 1801) The northern flying squirrel (Glaucomys sabrinus) is one of two species of the genus Glaucomys, the only flying squirrels found in North America (the other is the somewhat smaller southern flying squirrel, ). Flying squirrels are strictly nocturnal. ... Binomial name Glaucomys volans (Linnaeus, 1758) The Southern Flying Squirrel (Glaucomys volans) is one of two species of the genus Glaucomys, the only flying squirrels found in North America (the other is the somewhat larger Northern Flying Squirrel, ). It is found in deciduous and mixed woods in eastern North America... World map showing location of North America A satellite composite image of North America North America is the third largest continent in area and in population after Eurasia and Africa. ... World map showing location of Asia A satellite composite image of Asia Asia is the central and eastern part of the continent of Eurasia, defined by subtracting the European peninsula from Eurasia. ... Borneo (including the Kalimantan provinces of Indonesia, Sabah and Sarawak of Malaysia, and Brunei) is the third largest island in the world. ... The Federation of Malaya, or in Malay Persekutuan Tanah Melayu, was formed in 1948 from the British settlements of Penang and Malacca and the nine Malay states and replaced the Malayan Union. ... World map showing location of Asia A satellite composite image of Asia Asia is the central and eastern part of the continent of Eurasia, defined by subtracting the European peninsula from Eurasia. ... World map showing location of Asia A satellite composite image of Asia Asia is the central and eastern part of the continent of Eurasia, defined by subtracting the European peninsula from Eurasia. ... Binomial name Pteromys momonga Temminck, 1844 The Japanese Dwarf Flying Squirrel (Pteromys momonga, Japanese: ムササビ musasabi) is a type of flying squirrel. ... Borneo (including the Kalimantan provinces of Indonesia, Sabah and Sarawak of Malaysia, and Brunei) is the third largest island in the world. ...

Subfamily Sciurinae

Genera Many: see text. ...

Tree squirrels

• Callosciurus, 15 species, Asia.
• Epixerus (giant palm squirrels), 2 species, western Africa.
• Exilisciurus (pygmy squirrels), 6 species, Borneo and the Philippines.
• Funambulus (palm squirrels), 5 species, India.
• Funisciurus, 12 species, central and southern Africa.
• Glyphotes (sculptor squirrels), 2 species, Borneo.
• Heliosciurus (sun squirrels), 3 species, Africa.
• Hyosciurus, 1 species, the Celebes Long-nosed Squirrel, Sulawesi (Indonesia).
• Microsciurus (pygmy squirrels), 5 species, southern Central America and northern South America.
• Myosciurus, 1 species, the African Pygmy Squirrel, Cameroon and Gabon; the smallest sciurid.
• Nannosciurus, 1 species, the Black-eared Pygmy Squirrel, Indonesia.
• Paraxerus (bush squirrels), 12 species, Africa.
• Prosciurillus (dwarf squirrels), 5 species, Sulawesi (Indonesia).
• Protoxerus (giant squirrels), 2 species, Liberia to Kenya and Angola.
• Ratufa, 4 species, southeast Asia; the largest tree squirrels.
• Rhinosciurus, 1 species, the Shrew-faced Squirrel or Long-nosed Squirrel, Thailand, Malaya, Sumatra, and Borneo.
• Rubrisciurus, 1 species, the Red-bellied Squirrel, Sulawesi (Indonesia).
• Sciurillus, 1 species, the Neotropical Pygmy Squirrel, the Guianas, northeast Brazil, and the Amazon basin of Peru.
• Sciurus (typical tree squirrels), 31 species, Europe, the Middle East, northern Asia, North America, northern South America; the largest genus in the family, including the gray squirrels, fox squirrel and Eurasian red squirrel.
• Sundasciurus, 13 species, from Thailand to Indonesia and southern Philippines.
• Syntheosciurus (mountain squirrels), 2 species, Panama and Costa Rica; rare.
• Tamiasciurus (pine squirrels), 2 species (the American Red Squirrel and Douglas Squirrel), northern and western USA and most of Canada and Alaska.

World map showing location of Asia A satellite composite image of Asia Asia is the central and eastern part of the continent of Eurasia, defined by subtracting the European peninsula from Eurasia. ... A satellite composite image of Africa Africa is the worlds second-largest continent in both area and population, after Asia. ... Borneo (including the Kalimantan provinces of Indonesia, Sabah and Sarawak of Malaysia, and Brunei) is the third largest island in the world. ... A satellite composite image of Africa Africa is the worlds second-largest continent in both area and population, after Asia. ... Borneo (including the Kalimantan provinces of Indonesia, Sabah and Sarawak of Malaysia, and Brunei) is the third largest island in the world. ... A satellite composite image of Africa Africa is the worlds second-largest continent in both area and population, after Asia. ... Flag of same Map of Sulawesi pictures by Julianto Halim Sulawesi (or Celebes) is a large Indonesian island. ... Central America is the region of North America located between the southern border of Mexico and the northwest border of Colombia, in South America. ... South America South America is a continent crossed by the equator, with most of its area in the Southern Hemisphere. ... A satellite composite image of Africa Africa is the worlds second-largest continent in both area and population, after Asia. ... Flag of same Map of Sulawesi pictures by Julianto Halim Sulawesi (or Celebes) is a large Indonesian island. ... World map showing location of Asia A satellite composite image of Asia Asia is the central and eastern part of the continent of Eurasia, defined by subtracting the European peninsula from Eurasia. ... The Federation of Malaya, or in Malay Persekutuan Tanah Melayu, was formed in 1948 from the British settlements of Penang and Malacca and the nine Malay states and replaced the Malayan Union. ... Sumatra (also spelled Sumatara and Sumatera) is the sixth largest island of the world (approximately 470,000 km²) and is the largest part of Indonesia. ... Borneo (including the Kalimantan provinces of Indonesia, Sabah and Sarawak of Malaysia, and Brunei) is the third largest island in the world. ... Flag of same Map of Sulawesi pictures by Julianto Halim Sulawesi (or Celebes) is a large Indonesian island. ... The term Guianas refers to an area comprising three different countries in the north-eastern part of South America; Guyana, French Guiana, and Suriname. ... emine ==Geography== The South American rainforest of Amazonia (60% located in Brazil), the largest in the world, was originally covered by more than 7,000,000 km² (2 million square miles) of dense tropical forest. ... World map showing location of Europe A satellite composite image of Europe Europe is geologically and geographically a peninsula, forming the westernmost part of Eurasia. ... A map showing countries commonly considered to be part of the Middle East The Middle East is a region comprising the lands around the southern and eastern parts of the Mediterranean Sea, a territory that extends from the eastern Mediterranean Sea to the Persian Gulf. ... World map showing location of Asia A satellite composite image of Asia Asia is the central and eastern part of the continent of Eurasia, defined by subtracting the European peninsula from Eurasia. ... World map showing location of North America A satellite composite image of North America North America is the third largest continent in area and in population after Eurasia and Africa. ... South America South America is a continent crossed by the equator, with most of its area in the Southern Hemisphere. ... Gray squirrel is the common name for two species of squirrel native to North America: The Eastern Gray Squirrel (also introduced elsewhere) The Western Gray Squirrel. ... Binomial name Sciurus niger Linnaeus, 1758 The Fox Squirrel (Sciurus niger), also known as the cat squirrel or stump-eared squirrel, is the largest species of tree squirrel native to North America. ... Binomial name Sciurus vulgaris Linnaeus, 1758 The Red Squirrel, Sciurus vulgaris, is a common European tree squirrel. ... Species Tamiasciurus douglasii Tamiasciurus hudsonicus Pine squirrels are squirrels of the genus Tamiasciurus. ... Species Tamiasciurus douglasii Tamiasciurus hudsonicus Pine squirrels are squirrels of the genus Tamiasciurus. ... Binomial name Tamiasciurus douglasii (Bachman, 1839) The Douglas Squirrel, Tamiasciurus douglasii, is a pine squirrel found in the Pacific coastal states and provinces of North America. ... State nickname: The Last Frontier, The Land of the Midnight Sun Other U.S. States Capital Juneau Largest city Anchorage Governor Frank Murkowski Official languages English Area 1,717,854 km² (1st)  - Land 1,481,347 km²  - Water 236,507 km² (13. ...

Ground squirrels

• Ammospermophilus (Antelope squirrels), five species, southwestern USA and northern Mexico.
• Atlantoxerus, 1 species, Barbary ground squirrel, Morocco and Algeria.
• Cynomys (Prairie dogs), five species, North Dakota to central Mexico.
• Dremomys, four species, southeast Asia.
• Lariscus (striped ground squirrels), four species, southern Thailand, Malaysia, and Indonesia.
• Marmota (marmots), 14 species.
• Menetes, 1 species, Berdmore's Ground Squirrel, Indochina.
• Rheithrosciurus, 1 species, Tufted Ground Squirrel, Borneo.
• Spermophilopsis, one species, Long-clawed Ground Squirrel, Middle East.
• Spermophilus, 36 species, from western Europe to Siberia and Alaska to northern Mexico; the largest genus of ground squirrels. Species include:
  • Spermophilus beecheyi - California Ground Squirrel.
  • Spermophilus brunneus - Idaho Ground Squirrel.
  • Spermophilus franklinii - Franklin's Ground Squirrel.
  • Spermophilus lateralis - Golden-mantled Ground Squirrel.
  • Spermophilus richardsonii - Richardson's Ground Squirrel.
• Tamias (chipmunks), 23 species, northern Mexico, most of the USA, Canada, and Siberia.
• Tamiops (striped squirrels), four species, China, Vietnam, Laos, Taiwan, Nepal, Burma, Malaya, and Cambodia.
• Xerus, four species, sub-Saharan Africa.

Species A. harrisii A. nelsoni A. leucurus A. interpres A. insularis The Antelope squirrels or Antelope ground squirrels are the genus Ammospermophilus of sciurids found in the south-western Mexico. ... Species A. harrisii A. nelsoni A. leucurus A. interpres A. insularis The Antelope squirrels or Antelope ground squirrels are the genus Ammospermophilus of sciurids found in the south-western Mexico. ... Species Cynomys gunnisoni Cynomys leucurus Cynomys ludovicianus Cynomys mexicanus Cynomys parvidens Prairie dogs are small stout-bodied burrowing rodents with shallow cheek pouches native to both North and Central America. ... Species Cynomys gunnisoni Cynomys leucurus Cynomys ludovicianus Cynomys mexicanus Cynomys parvidens Prairie dogs are small stout-bodied burrowing rodents with shallow cheek pouches native to both North and Central America. ... State nickname: Peace Garden State, Roughrider State, Flickertail State Other U.S. States Capital Bismarck Largest city Fargo Governor John Hoeven Official languages English Area 183 272 km² (19th)  - Land 178 839 km²  - Water 4 432 km² (2. ... World map showing location of Asia A satellite composite image of Asia Asia is the central and eastern part of the continent of Eurasia, defined by subtracting the European peninsula from Eurasia. ... Species see text Marmots are members of the genus Marmota, in the rodent family Sciuridae (squirrels). ... Species see text Marmots are members of the genus Marmota, in the rodent family Sciuridae (squirrels). ... Indochina, or French Indochina, was a federation of French colonies and protectorates in south-east Asia, part of the French colonial empire. ... Borneo (including the Kalimantan provinces of Indonesia, Sabah and Sarawak of Malaysia, and Brunei) is the third largest island in the world. ... A map showing countries commonly considered to be part of the Middle East The Middle East is a region comprising the lands around the southern and eastern parts of the Mediterranean Sea, a territory that extends from the eastern Mediterranean Sea to the Persian Gulf. ... Species about 36: see text. ... World map showing location of Europe A satellite composite image of Europe Europe is geologically and geographically a peninsula, forming the westernmost part of Eurasia. ... Siberia Siberia (Russian: Сиби́рь, common English transliterations: Sibir, Sibir; possibly from the Mongolian for the calm land) is a vast region of Russia and northern Kazakhstan constituting almost all of northern Asia. ... State nickname: The Last Frontier, The Land of the Midnight Sun Other U.S. States Capital Juneau Largest city Anchorage Governor Frank Murkowski Official languages English Area 1,717,854 km² (1st)  - Land 1,481,347 km²  - Water 236,507 km² (13. ... Binomial name Spermophilus beecheyi (Richardson, 1829) The California Ground Squirrel, Spermophilus beecheyi (referred to in some older sources as Otospermophilus beecheyi), is a common and easily observed ground squirrel of the western United States and Baja California; it is common in Oregon and California and its range has relatively recently... Binomial name Spermophilus brunneus (A. H. Howell, 1928) The Idaho Ground Squirrel (Spermophilus brunneus) is a species of the largest genus of ground squirrel. ... Binomial name Spermophilus franklinii Sabine,, 1822 Franklins Ground Squirrel (Spermophilus franklinii) is a species native to tallgrass American prairie, from Canada to the northcentral United States. ... Binomial name Spermophilus lateralis (Say, 1823) The Golden-mantled Ground Squirrel (Spermophilus lateralis) lives in all types of forests across North America. ... Binomial name Spermophilus richardsonii (Sabine, 1822) Richardsons Ground Squirrel (Spermophilus richardsonii) is a North American ground squirrel in the genus Spermophilus. ... Species Genus: Tamias Tamias alpinus (Alpine Chipmunk) Tamias amoenus (Yellow pine Chipmunk) Tamias canipes (Gray-footed Chipmunk) Tamias cinereicollis (Gray-Collared Chipmunk) Tamias dorsalis (Cliff Chipmunk) Tamias merriami (Merriams Chipmunk) Tamias minimus (Least Chipmunk) Tamias obscurus (California Chipmunk) Tamias ohrogenys (Yellow-cheeked Chipmunk) Tamias palmeri (Palmers Chipmunk) Tamias... This article is about the animal. ... Siberia Siberia (Russian: Сиби́рь, common English transliterations: Sibir, Sibir; possibly from the Mongolian for the calm land) is a vast region of Russia and northern Kazakhstan constituting almost all of northern Asia. ... The Federation of Malaya, or in Malay Persekutuan Tanah Melayu, was formed in 1948 from the British settlements of Penang and Malacca and the nine Malay states and replaced the Malayan Union. ... A satellite composite image of Africa Africa is the worlds second-largest continent in both area and population, after Asia. ...

References

• Andrew's Squirrel Encyclopaedia, source of basic information above (http://www.geocities.com/yosemite/rapids/4362/sqrlenc.html)
• List of names of squirrel taxa (http://www.squirrels.org/names.html)