adentalpathologicaldeformityofchilotheriumwimanifromthelinxiabasinofgansuchina

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	adentalpathologicaldeformityofchilotheriumwimanifromthelinxiabasinofgansuchina
	Chen Shaokun 1; Deng Tao2 ; He Wen 3; Chen Shanqin 3
	2011
发表期刊	古脊椎动物学报
ISSN	1000-3118
卷号	49 期号:2 页码:223
摘要	Chilotherium wimani is the dominant species in the Late Miocene Hipparion fauna of the Linxia Basin.A sub-adult mandible belonging to C.wimani is described here.The unusual characters of this mandible are the retention of left dp4 and the morbid state of left and right p4.The left p4 exhibits anterior-posterior and labial-lingual reversion and the trigonid of this tooth is strongly tapered.The right p4 shows not only anterior-posterior reversion, but also the absence of trigonid.The retention of the left dp4 is induced likely by the abnormal growth of the left p4 germ, while the deformity of the left and right p4 may be caused by hereditary factors and/or malnutrition.The non-adaptive malocclusion would result in disadvantage in competition, and this functional disadvantage would be fatal under the likely condition of the harsh Late Miocene Linxia environment.
语种	英语
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/12037
专题	中国科学院古脊椎动物与古人类研究所
作者单位	1.Chongqing Three Gorges Institute of Paleoanthropology, China Three Gorges Museum 2.中国科学院古脊椎动物与古人类研究所 3.Hezheng Paleozoological Museum
推荐引用方式 GB/T 7714	Chen Shaokun,Deng Tao,He Wen,et al. adentalpathologicaldeformityofchilotheriumwimanifromthelinxiabasinofgansuchina[J]. 古脊椎动物学报,2011,49(2):223.
APA	Chen Shaokun,Deng Tao,He Wen,&Chen Shanqin.(2011).adentalpathologicaldeformityofchilotheriumwimanifromthelinxiabasinofgansuchina.古脊椎动物学报,49(2),223.
MLA	Chen Shaokun,et al."adentalpathologicaldeformityofchilotheriumwimanifromthelinxiabasinofgansuchina".古脊椎动物学报 49.2(2011):223.

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