Extraordinarily thick-boned fish linked to the aridification of the Qaidam Basin (northern Tibetan Plateau)

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	Extraordinarily thick-boned fish linked to the aridification of the Qaidam Basin (northern Tibetan Plateau)
	Chang, Meemann; Wang, Xiaoming; Liu, Huanzhang; Miao, Desui; Zhao, Quanhong; Wu, Guoxuan; Liu, Juan; Li, Qiang; Sun, Zhencheng; Wang, Ning
刊名	P NATL ACAD SCI USA
	2008
卷号	105 期号:36 页码:13246—13251
关键词	Miocene
ISSN号	0027-8424
英文摘要	Scattered with numerous salt lakes and approximate to 2,700-3,200 m above sea level, the giant Qaidam inland basin on the northern Tibetan Plateau has experienced continuing aridification since the beginning of the Late Cenozoic as a result of the India-Asia plate collision and associated uplift of the Tibetan Plateau. Previous evidence of aridification comes mainly from evaporite deposits and salinity-tolerant invertebrate fossils. Vertebrate fossils were rare until recent discoveries of abundant fish. Here, we report an unusual cyprinid fish, Hsianwenia wui, gen. et sp. nov., from Pliocene lake deposits of the Qaidam Basin, characterized by an extraordinarily thick skeleton that occupied almost the entire body. Such enormous skeletal thickening, apparently leaving little room for muscles, is unknown among extant fish. However, an almost identical condition occurs in the much smaller cyprinodontid Aphanius crassicaudus (Cyprinodonyiformes), collected from evaporites exposed along the northern margins of the Mediterranean Sea during the Messinian desiccation period. H. wui and A. crassicaudus both occur in similar deposits rich in carbonates (CaCO3) and sulfates (CaSO4), indicating that both were adapted to the extreme conditions resulting from the ariclification in the two areas. The overall skeletal thickening was most likely formed through deposition of the oversaturated calcium and was apparently a normal feature of the biology and growth of these fish.
URL标识	查看原文
公开日期	2013-11-27
内容类型	期刊论文
源URL	[http://119.78.100.205/handle/311034/4808]
专题	古脊椎动物与古人类研究所_图书馆1
通讯作者	cmeemann@yahoo.com
推荐引用方式 GB/T 7714	Chang, Meemann,Wang, Xiaoming,Liu, Huanzhang,et al. Extraordinarily thick-boned fish linked to the aridification of the Qaidam Basin (northern Tibetan Plateau)[J]. P NATL ACAD SCI USA,2008,105(36):13246—13251.
APA	Chang, Meemann.,Wang, Xiaoming.,Liu, Huanzhang.,Miao, Desui.,Zhao, Quanhong.,...&cmeemann@yahoo.com.(2008).Extraordinarily thick-boned fish linked to the aridification of the Qaidam Basin (northern Tibetan Plateau).P NATL ACAD SCI USA,105(36),13246—13251.
MLA	Chang, Meemann,et al."Extraordinarily thick-boned fish linked to the aridification of the Qaidam Basin (northern Tibetan Plateau)".P NATL ACAD SCI USA 105.36(2008):13246—13251.