Английская Википедия:Ash-colored Oldfield mouse
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The ash-colored Oldfield mouse (Thomasomys cinereus) is a species of rodent in the genus Thomasomys. It is found in montane forests of the Department of Cajamarca in northern Peru, at elevations of Шаблон:Convert. Until 2023, it was thought to be more widely distributed, ranging into southern Ecuador, but these populations are now identified as three separate, closely related species, T. lojapiuranus, T. pagaibambensis, and T. shallqukucha.[1]
With a head-body length of Шаблон:Convert, Thomasomys cinereus is a medium-sized species for the genus. Distinguishing characteristics compared to its close relatives include, among others:[1]
- Mystacial vibrissae (whiskers above the mouth) short (long in T. lojapiuranus and T. pagaibambensis)
- Tail shorter than or equal to head and body (longer in the other three species)
- Tail slightly paler above than below (same color above and below in the other species; T. pagaibambensis additionally has a white tail tip)
- Incisive foramina long (short in T. shallqukucha and T. pagaibambensis)
- Auditory bullae small (larger in the other species)
References
- 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.
Категории:
- Английская Википедия
- Thomasomys
- Endemic fauna of Peru
- Mammals of Peru
- Mammals described in 1882
- Taxa named by Oldfield Thomas
- Taxonomy articles created by Polbot
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