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--> ORDER RODENTIA
--> SUBORDER MYOMORPHA
--> SUPERFAMILY Muroidea
--> FAMILY Muridae
--> SUBFAMILY Murinae
GENUS Chrotomys
Author: | Thomas, 1895. | Citation: | Ann. Mag. Nat. Hist., ser. 6, 16: 161. | Type Species: | Chrotomys whiteheadi Thomas, 1895. | Comments: | ChrotomysDivision. Philippine Old Endemic shrew rats unrelated to shrew rats and shrew mice endemic to Australia and New Guinea (Musser and Heaney, 1992). Phylogenetic analyses of complete mtDNA cytochrome b sequences for 13 of the 16 genera of endemic Philippine murines places Chrotomys (along with Celaenomys) in the same clade as Apomys, Archboldomys, and Rhynchomys, which are also Old Endemics (Jansa and Heaney, 2001); karyotypic variation supports this alliance (Rickart and Heaney, 2002). Actual distribution in archipelago and number of species in genus still unknown; an undescribed species has been found in lowland forest on Sibuyan Isl (Heaney et al., 1999). |
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