Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Cladus: Cynodontia
Cladus: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Cladus: Theriimorpha
Cladus: Theriiformes
Cladus: Trechnotheria
Cladus: Zatheria
Subclassis: Theria
Cladus: Eutheria
Infraclassis: Placentalia
Magnordo: Boreoeutheria
Superordo: Euarchontoglires
Cladus: Gliriformes
Grandordo: Glires
Mirordo: Simplicidentata
Ordo: Rodentia
Subordo: Myomorpha
Superfamilia: Muroidea
Familia: Cricetidae
Subfamilia: Cricetinae
Genus: Cricetulus
Species: Cricetulus sokolovi
Name
Cricetulus sokolovi Orlov & Malygin, 1988
Type locality: Western Mongolia (Bayan Hongor)
References
Cricetulus sokolovi in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.
IUCN: Cricetulus sokolovi Orlov & Malygin, 1988 (Least Concern)
Vernacular names
English: Sokolov’s Dwarf Hamster
Sokolov's dwarf hamster (Cricetulus sokolovi) is a species of rodent in the hamster and vole family Cricetidae. Previously listed as conspecific with Chinese striped hamster, it has been listed as a separate species since 1988. It has a distinctive dark stripe down its back on and otherwise grey body. It is found in China and Mongolia, and lives in burrows beneath desert shrubs.
Taxonomy
Cricetulus sokolovi was previously attributed to C. barabensis obscurus, but was elevated to species status in 1988 due to differences in its chromosomes and fur.[2][1] It is named after Russian zoologist Vladimir E. Sokolov.[3]
Description
Its fur is grey with a brown-yellow hue. A dark stripe runs from the back of a specimen's neck to the base of its tail. This stripe is seen more easily in younger animals and fades with age.[4] Its feet are white and its toes curl upwards. Its ears are the same color as its fur, with a dark grey spot in the inside middle. It has a head and body length of between 77–114 millimetres (3.0–4.5 in), tail length of 18–32 millimetres (0.71–1.26 in) and ear length of 13–19 millimetres (0.51–0.75 in). The skull is on average between 23–26 millimetres (0.91–1.02 in) long.[4]
Habitat
Sokolov's dwarf hamster prefers to live in burrows built under desert shrubs in sandy areas.[4] It is found in western and southern Mongolia,[5] including in the northern and eastern Gobi,[1] and in central Inner Mongolia in northern China.[5][6]
In Mongolia, its main geographical threats are droughts and the drying of water sources. Six percent of its known range in Mongolia is within protected areas.[1]
Reproduction
Reproduction begins in mid-May with two or three litters of between four and nine young produced annually.[4]
References
Batsaikhan, N. & Smith, A.T. (2008). "Cricetulus sokolovi". IUCN Red List of Threatened Species. 2008. Retrieved 14 October 2022.
Orlov, V.N. (1988). "A new species of hamsters-Cricetulus sokolovi sp. n.(Rodentia, Cricetidae) from People's Republic of Mongolia". Zoologicheskii Zhurnal.
Pavlov, Dmitriy S.; Vladimir S. Shishkin (1998). "Obituary: Vladimir E. Sokolov: 1928–98". Oryx. 32 (4): 249. doi:10.1046/j.1365-3008.1998.d01-54.x.
Smith, Andrew T.; Xie, Yan, eds. (2008). A Guide to the Mammals of China. Princeton University Press. pp. 242, 244–245. ISBN 978-0-691-09984-2.
Musser, G. G.; Carleton, M. D. (2005). "Superfamily Muroidea". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1043. ISBN 978-0-8018-8221-0. OCLC 62265494.
Nowak, Ronald M. (1999). Walker's mammals of the world, Volume 1. JHU Press. p. 1421. ISBN 978-0-8018-5789-8.
Musser, G. G.; Carleton, M. D. (2005). "Superfamily Muroidea". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 894–1531. ISBN 978-0-8018-8221-0. OCLC 62265494.
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