Delicate salt flat mouse
| Delicate salt flat mouse | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Cricetidae |
| Subfamily: | Sigmodontinae |
| Genus: | Salinomys Braun & Mares, 1995 |
| Species: | S. delicatus
|
| Binomial name | |
| Salinomys delicatus Braun & Mares, 1995
| |
The delicate salt flat mousechaco mice (Andalgalomys).[6]
Karyotype
Its
FN = 32 in females[7] but has 2n = 19 in males.[8] Due to an X-autosome translocation, S. delicatus has an XY1Y2 sex chromosome system, rare in mammals.[8] During meiotic prophase, a male's X and two Y chromosomes form a trivalent.[8] The female value of 18 is the lowest diploid number of any species in the tribe Phyllotini. Given that close relative Andalgalomys pearsoni has the highest known diploid number (78) of the tribe, it appears that major chromosome restructuring occurred during the evolution of the Andalgalomys-Salinomys clade.[8]
Conservation status
While not formally assessing its conservation status, the IUCN has stated, "This species occurs in a very narrow range of ecological requirements (salt flats) which are severely fragmented and which could be threatened by human disturbance."[1]
References
- ^ . Retrieved 20 November 2021.
- OCLC 921432000.
- ISSN 0716-078X.
- OCLC 62265494.
- JSTOR 1382359.
- ^ Steppan, S.J.; Ramirez, O.; Banbury, J.; et al. 2007. A molecular reappraisal of the systematics of the leaf-eared mice Phyllotis and their relatives. In: Kelt, D.A., E.P. Lessa, J. Salazar-Bravo & J.L. Patton (eds.), The Quintessential Naturalist: Honoring the Life and Legacy of Oliver P. Pearson. University of California Publications in Zoology. Volume 134, pp. 799–826. University of California Press, Berkeley. http://escholarship.org/uc/item/9g62053v#page-812
- ^ Lanzone, C.; Ojeda, R. A.; Albanese, S.; Rodríguez, D.; Dacar, M. (2005). "Karytypic characterization and new geographical record of Salinomys delicatus (Rodenta, Cricetidae, Sigmodoninae)" (PDF). Mastozoología Neotropical. 12 (2): 257–260. Retrieved 2014-07-25.
- ^ ISSN 0016-6707.
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