| 西藏林周县麦隆岗组顶部的晚三叠世牙形石 |
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| 引用本文：毛力,田传荣.1987.西藏林周县麦隆岗组顶部的晚三叠世牙形石[J].地球学报,9(3):159-170. |
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| 中文摘要:本文记述的牙形石动物群,均产自西藏林周县麦隆岗村的上三叠统麦隆岗组顶部,共计8属20种。其中Epigondolella属在此剖面上产出丰富。根据该属的不同种和种群特征,该牙形石动物群可明显地划分出4个牙形石组合带,自下而上:Epigondolella multidentata带,E.sp.C带,E.postera带,E.bidentata带。这些牙形石带,时代属中晚诺利期。 |
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| LATE TRIASSIC CONODONTS FROM THE UPPERMOST MAILONGGANG FORMATION IN MAILONGGANG VILLAGE OF LHONZHUB COUNTY, XIZANG (TIBET), CHINA |
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| Abstract:The conodont fauna described in this paper was collected from the uppermost part of Mailonggang Formation in Mailonggang Village oi Lhunzhub-County, Tibet, China, including 8 genera and 20 species. According to characteristics species of Epigondolella genus, the conodonts fossils could be divided obviously into 4 conodont assemblage zones as follows: Epigondolella multidentata a. zone, E. sp. C. a. zone, E. poster a a. zone, E. bidentata a. zone These conodont assemblage zones belong to the middle and upper Norian. |
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