Discovery of fossil Nemacheilids (Cypriniformes, Teleostei, Pisces) from the Tibetan Plateau, China | |
Wang Ning; Chang Mee-mann; zhangmiman@ivpp.ac.cn | |
2012-05-01 | |
发表期刊 | SCIENCE CHINA-EARTH SCIENCES |
ISSN | 1674-7313 |
卷号 | 55期号:5页码:714-727 |
文章类型 | Article |
摘要 | Here described are the nemacheilid fossils from the Pliocene Lower Member of Qiangtang Formation in the Kunlun Pass Basin, northeastern Tibetan Plateau, at a locality 4769 m above the sea level (a. s. l.). The materials consist of numerous disarticulated and incomplete bones. The fish remains are assigned to the Nemacheilidae based on the fused compound centrum of the 2nd and 3rd vertebrae with developed bifurcate lateral processes of the 2nd vertebra. The fossils also include the maxilla, the dentary, the anguloarticular, the quadrate, the hyomandibular, the opercle, the basihyal, the urohyal, the anterior ceratohyal, the posterior ceratohyal, the interhyal and the supracleithrum. These bones are very similar to their counterparts in some species of a Recent nemacheilid genus, (Nemacheilidae, Cypriniformes), which is widely distributed on the Tibetan Plateau. The nemacheilid fossils are much more abundant than the remains of schizothoracines embedded in the same horizon at the same locality. This would imply that the number of individuals of was much higher than that of schizothoracines when they were alive in the area. In Recent ichthyofauna of the Tibetan Plateau, prevails over schizothoracines in the number of individuals in the high elevations and small water bodies. Based on the fossil dominance of over schizothoracines and their taphonomical conditions, it appears that the water system at the Kunlun Pass area during the Pliocene might not be extensive lakes or large rivers with broad valleys. There might have been a few mountainous, relatively torrential rivers with many small, shallow streams connecting the water systems from the north and south of the East Kunlun Mountain. The environment of the Kunlun Pass Basin area during the Pliocene must be very harsh, and the altitude of the area might already have been higher than we previously suggested. The uplift of the area must be less than 1000 m since the Pliocene. |
关键词 | Nemacheilidae Triplophysa Pliocene Kunlun Pass Basin Northeastern Tibetan Plateau |
WOS标题词 | Science & Technology ; Physical Sciences |
URL | 查看原文 |
关键词[WOS] | COBITOIDEA TELEOSTEI ; FAMILIES ; SYSTEM |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Geology |
WOS类目 | Geosciences, Multidisciplinary |
WOS记录号 | WOS:000303862500003 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.205/handle/311034/4295 |
专题 | 古低等脊椎动物研究室 |
通讯作者 | zhangmiman@ivpp.ac.cn |
作者单位 | Chinese Acad Sci, Key Lab Evolutionary Systemat Vertebrates, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China |
推荐引用方式 GB/T 7714 | Wang Ning,Chang Mee-mann,zhangmiman@ivpp.ac.cn. Discovery of fossil Nemacheilids (Cypriniformes, Teleostei, Pisces) from the Tibetan Plateau, China[J]. SCIENCE CHINA-EARTH SCIENCES,2012,55(5):714-727. |
APA | Wang Ning,Chang Mee-mann,&zhangmiman@ivpp.ac.cn.(2012).Discovery of fossil Nemacheilids (Cypriniformes, Teleostei, Pisces) from the Tibetan Plateau, China.SCIENCE CHINA-EARTH SCIENCES,55(5),714-727. |
MLA | Wang Ning,et al."Discovery of fossil Nemacheilids (Cypriniformes, Teleostei, Pisces) from the Tibetan Plateau, China".SCIENCE CHINA-EARTH SCIENCES 55.5(2012):714-727. |
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