Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
OrdoTherapsida
Cladus: Theriodontia
Subordo: Cynodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohort: Theria
Cohort: Eutheria
Cohort: Placentalia
Cladus: Boreoeutheria
Superordo: Euarchontoglires
Ordo: Rodentia
Subordo: Myomorpha
Superfamilia: Muroidea
Familia: Muridae
Subfamilia: Murinae
Genus: Limnomys
Species: Limnomys sibuanus
Name
Limnomys sibuanus Mearns, 1905
References
Limnomys sibuanus 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.
The Mindanao mountain rat or long-tailed moss mouse (Limnomys sibuanus), is a species of rodent in the family Muridae. It is found only in the Philippines, where it is present at high altitudes in the Kitanglad Mountain Range on the island of Mindanao.
Taxonomy
Limnomys sibuanus was first described in 1905 by the American naturalist Edgar Alexander Mearns. It was based on a single individual and limited in its scope. In 1913, the biologist Ned Hollister described a second species in the genus, L. mearnsii, from a number of specimens, but this was later synonymised with L. sibuanus. Another species was described in 2003 by Eric A. Rickart as Limnomys bryophilus. The new species had a "relatively longer tail, larger hind feet, softer pelage with grayish-white ventral coloration, larger skull with a longer rostrum, larger auditory bullae, larger molars, and other [distinguishing] cranial and dental features." Both species are endemic to the Kitanglad Mountain Range in central Mindanao in the Philippines, but they differ in the elevations at which they are found.[2]
Description
The Mindanao mountain rat has a head-and-body length of 119 to 144 mm (4.69 to 5.67 in) and a tail length of 147 to 174 mm (5.79 to 6.85 in), and weighs 47 to 82 grams (1.66 to 2.89 oz). The fur is short and somewhat coarse with flattened awns. The upper parts of this rat are yellowish-brown and the underparts are plain white, with no brown on the chest. The pinnae and the hind feet are smaller than those of L. bryophilus.[2] Its karyotype has 2n = 42 and FN = 61/62.[3]
Distribution and habitat
The species is native to the Kitanglad Mountain Range in Mindanao where it occurs on Mount Apo, Mount Kitanglad and Mount Malindang. It is found at altitudes of between 2,000 and 2,800 m (6,600 and 9,200 ft).[1] Its habitat is forests composed mostly of conifers and laurels up to 10 m (33 ft) high, with fallen trees, rhododendrons, other shrubs, ferns, orchids, mosses and lichens.[2]
Status
L. sibuanus has a limited range but it is a common species in the tropical high altitude rainforest and moss forest; the whole mountain range is included in the Mount Kitanglad Range Natural Park, which was designated a protected area in 2000.[4] The habitat is not being exploited and no particular threats to this species are known, so the International Union for Conservation of Nature has assessed its conservation status as being of "least concern".[1]
References
Heaney, L.; Tabaranza, B. (2016). "Limnomys sibuanus". IUCN Red List of Threatened Species. 2016: e.T11980A22429309. doi:10.2305/IUCN.UK.2016-2.RLTS.T11980A22429309.en.
Rickart, Eric A.; Heaney, Lawrence R.; Tabaranza, Blas R. Jr. (2003). "A New Species of Limnomys (Rodentia: Muridae: Murinae) from Mindanao Island, Philippines". Journal of Mammalogy. 84 (4): 1443–1455. doi:10.1644/BRP-112.
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. 1352. ISBN 978-0-8018-8221-0. OCLC 62265494.
"An act declaring the Mt. Kitanglad Range in the province of Bukidnon as a protected area and its peripheral areas as buffer zones, providing for its management and for other purposes" (PDF). Congress of the Philippines. Archived from the original (PDF) on 23 September 2015. Retrieved 17 December 2017.
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