南盘江盆地首次发现早三叠世海生爬行动物化石
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摘要
首次在南盘江盆地望谟地区下三叠统罗楼组灰岩中发现了海生爬行动物化石,爬行动物化石层位相伴产出大量菊石、腕足、双壳、牙形石等,其时代属早三叠世奥伦尼克期的Spathian亚期。该发现对于研究早三叠世海洋生态复苏、海生爬行动物类群起源、早期演化具有十分重要的科学意义。
Marine reptiles fossils, accompanied by abundant ammonites, brachipods, bivalves, conodonts and some other fossils,were discovered for the first time from the Lower Triassic Luolou Formation in Wangmo area of the Nanpanjiang Basin. Their age belongs to the Spathian substage of the Early Triassic Olenekian stage. This new discovery has a prominent significance for understanding the recovery of the Early Triassic marine ecosystem as well as the study of the origin and evolution of early marine reptiles in Early Triassic period.
Marine reptiles fossils, accompanied by abundant ammonites, brachipods, bivalves, conodonts and some other fossils,were discovered for the first time from the Lower Triassic Luolou Formation in Wangmo area of the Nanpanjiang Basin. Their age belongs to the Spathian substage of the Early Triassic Olenekian stage. This new discovery has a prominent significance for understanding the recovery of the Early Triassic marine ecosystem as well as the study of the origin and evolution of early marine reptiles in Early Triassic period.
引文
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[2]Chen Z Q,Benton M J.The timing and pattern of biotic recovery following the end-Permian mass extinction[J].Nature Geoscience,2012,5:375-383.
[3]Motani R.Redescription of the dentition of Grippia longirostris(Ichthyosauria)with a comparison with Utatsusaurushataii[J].Journal of Vertebrate Paleontology,1997,17:39-44.
[4]Nicholls E L,Brinkman D B.A new ichthyosaur from the Triassic of Sulphur Mountain Formation of British Columbia[C]//Sarjeant W A S.Vertebrate Fossils and the evolution of scientific concepts.Gordon and Breach,Switzerland,1995:521-535.
[5]Mazin J M,Suteethorn V,Buffetaut E,et al.Preliminary description of Thaisaurus chonglakmanii n.g.,n.sp.:a new ichthyopterygian(Reptilia)from the Early Triassic of Thailand[J].Comptes Rendus de I'Academie des Sciences,Paris,1991,313(2):1207-1212.
[6]Shikama T,Kamei T,Murata M.Early Triassic Ichthyosaurus,Utatsusaurus hataii gen.et sp.Nov.,from the Kitakami Massif,Northeast Japan[C]//Science Reports of the Tohoku University,Sendai,Second Series(Geology),1978,48:77-97.
[7]Motani R.Redescription of the dental features of an Early Triassic ichthyosaur Utatsusaurus hataii[J].Journal of Vertebrate Paleontology,1996,16:396-402.
[8]Wiman C.Eineneue Reptilien-Ordnungaus der Trias Spitzbergens[J].Bulletin of the Geological institution of the University of Upsala,1929,22:183-196.
[9]陈烈祖.安徽巢县早三叠世鱼龙化石[J].中国区域地质,1985,15:139-146.
[10]程龙,阎春波,陈孝红,等.湖北省南漳/远安动物群特征及其意义初探[J].中国地质,2015,42(2):676-684.
[11]尚庆华,刘俊,徐光辉,等.论广西武鸣三叠纪海生爬行动物东方广西龙(鳍龙类)的时代[J].古脊椎动物学报.2014,52(4):381-389.
[12]姚建新,纪占胜,王立亭,等.贵州南部地区中三叠统青岩阶底界附近牙形石生物地层学研究[J].地质学报,2004,78(5):577-585.
[13]郑连弟,姚建新,仝亚博,等.贵州南部地区安尼阶底界锆石SHRIMP年龄结果[J].地质学报,2010,84(8):1112-1117.
[14]Li J L.A brief summary of the Triassic marine reptiles of China[J].Vertebrata Pal Asiatica,2006,44(1):99-108.
[15]张启跃,周长勇,吕涛等.滇东罗平地区发现中三叠世安尼期鱼类化石[J].地质通报,2008,27(3):429.
[16]Zhang Q Y,Zhou C Y,Lu T,et al.A Conodont-based Middle Triassic age assignment for the Luoping Biota of Yunnan,China[J].Science in China Series D Earth Sciences,2009,52(10):1673-1678.
[17]Hu S X,Zhang Q Y,Cheng Z Q,et al.The Luoping biota:exceptional preservation,and new evidence on the Triassic recovery from end-Permian mass extinction[J].Proceeding of the Royal Society,Series B,2011,278:2274-2282.
[18]Shen S Z,Crowley J L,Wang Y,et al.Calibrating the end-Permian mass extinction[J].Science,2011,334(6061):1367-1372.
[19]Romano C,Goudemand N,Vennemann T W,et al.Climatic and biotic upheavals following the end-Permian mass extinction[J].Nature Geoscience,2012,6:57-60.