Zokors are Asiatic burrowing rodents resembling mole-rats. They include two genera: Myospalax and Eospalax. Zokors are native to much of China, Kazakhstan, and Siberian Russia.
| Zokors Temporal range: Late Miocene - recent
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| Plateau zokor, (Eospalax fontanierii baileyi) | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Spalacidae |
| Subfamily: | Myospalacinae Lilljeborg, 1866 |
| Genera | |
Traditionally, zokors were thought to be closely related to either hamsters (Cricetinae) or voles (Arvicolinae), but recent molecular phylogenetic studies have demonstrated they are more closely related to blind mole-rats (Spalacinae) and root and bamboo rats (Rhizomyinae) in the family Spalacidae. It appears that one of the first important evolutionary splits in muroid rodents is between burrowing forms and nonburrowing forms.[citation needed]
Unlike the other spalacids, which primarily use their incisors, zokors use their powerful front claws for digging. They have small eyes and no external ears. Zokors feed on plant matter such as tubers and seeds.
Taxonomy
editSubfamily Myospalacinae
- Genus Myospalax
- Myospalax myospalax species group
- False zokor, M. aspalax
- Siberian zokor, M. myospalax
- Myospalax psilurus species group
- Transbaikal zokor, M. psilurus
- Myospalax myospalax species group
- Genus Eospalax
- Chinese zokor, E. fontanierii
- Rothschild's zokor, E. rothschildi
- Smith's zokor, E. smithii
References
editThis article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (May 2021) |
- Jansa, S. A. and M. Weksler. 2004. Phylogeny of muroid rodents: relationships within and among major lineages as determined by IRBP gene sequences. Molecular Phylogenetics and Evolution, 31:256-276.
- Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore
- Norris, R. W., K. Y. Zhou, C. Q. Zhou, G. Yang, C. W. Kilpatrick, and R. L. Honeycutt. 2004. The phylogenetic position of the zokors (Myospalacinae) and comments on the families of muroids (Rodentia). Molecular Phylogenetics and Evolution, 31:972-978.
- Nowak, R. M. 1999. Walker's Mammals of the World, Vol. 2. Johns Hopkins University Press, London.
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