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タイトル: Karyotypes of Three Rat Species (Mammalia: Rodentia: Muridae) from Hainan Island, China, and the Valid Specific Status of Niviventer lotipes 
著者: Li, Yuchun
Wu, Yi
Harada, Masashi
Lin, Liang-Kong
Motokawa, Masaharu  kyouindb  KAKEN_id
著者名の別形: 本川, 雅治
キーワード: karyotype
Niviventer fulvescens
N. lotipes
Rattus nitidus
taxonomy
発行日: Jun-2008
出版者: Zoological Society of Japan
誌名: Zoological Science
巻: 25
号: 6
開始ページ: 686
終了ページ: 692
抄録: The karyotypes of three rat species from Hainan Island, China, were examined. Niviventer fulvescens (Gray, 1847) had 2n=46 and FN=64, similar to the karyotypes reported for N. fulvescensfrom Southeast Asia, while Niviventer lotipes (Allen, 1926) had 2n=52 and FN=66, which is distinct from the known karyotypes of other Niviventer species. Niviventer lotipes was recently considered conspecific with N. tenaster (Thomas, 1916), but the two were found to have extremely different karyotypes (2n=52 and FN=66 in N. lotipes; 2n=46 and FN=54 in N. tenaster). Therefore, in this paperN. lotipes is considered a valid species for the first time; it is distinct from N. tenaster and endemic to Hainan Island, where N. lotipes is differentiated from N. fulvescens by larger body and skull sizes, a shorter tail, and darker coloration. Rattus nitidus (Hodgson, 1845) from Hainan Island had 2n=42 and FN=62, which is similar to the reported karyotypes of conspecific populations in Southeast Asia.
著作権等: (c) 日本動物学会 / Zoological Society of Japan
URI: http://hdl.handle.net/2433/85310
DOI(出版社版): 10.2108/zsj.25.686
出現コレクション:Zoological Science

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