Notocitellus
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Notocitellus is a genus of ground squirrels, containing two species from Mexico. These species are the tropical ground squirrel (Notocitellus adocetus), and the ring-tailed ground squirrel (N. annulatus). Notocitellus was formerly placed in the large ground squirrel genus Spermophilus, as a subgenus or species group. Since DNA sequencing of the cytochrome b gene has shown Spermophilus to be paraphyletic to the marmots, antelope squirrels, and prairie dogs,[2] it is now separated, along with six other genera.[3] The exact relations of this genus are unclear, though a relation to the antelope squirrels is possible.[3]
References
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- ^ Page Module:Citation/CS1/styles.css has no content.Arthur, Howell (April 1938). "Revision of the North American Ground Squirrels With a Classification of the North American Sciuridae". North American Fauna. 56: 44. Bibcode:1938usgs.rept....2H.
- ^ Page Module:Citation/CS1/styles.css has no content.Herron, Matthew D.; Castoe, Todd A.; Parkinson, Christopher L. (2004). "Sciurid phylogeny and the paraphyly of Holarctic ground squirrels (Spermophilus)". Molecular Phylogenetics and Evolution. 31 (3): 1015–30. Bibcode:2004MolPE..31.1015H. doi:10.1016/j.ympev.2003.09.015. PMID 15120398.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Helgen, Kristofer M.; Cole, F. Russel; Helgen, Lauren E. & Wilson, Don E (2009). "Generic Revision in the Holarctic Ground Squirrel Genus Spermophilus". Journal of Mammalogy. 90 (2): 270–305. doi:10.1644/07-MAMM-A-309.1.
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