KMS Nanjing Institute of Geology and Palaeonotology,CAS
Polygn Athus communis gancaohuensis subsp.Nov.(Conodonta)From the tournaisian-visean boundary beds of Xinjiang,Nw China and the Phylogeny of polygnathus communis branson | |
Xin Fengsheng1; Chen Zhongqiang2 | |
2004 | |
发表期刊 | ACTA MICROPALAEONTOLOGICA SINICA
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ISSN | 1000-0674 |
卷号 | 21期号:2页码:136-147 |
摘要 | This paper proposes and describes a new conodont subspecies Polygnathus communis gancaohuensis from the Tournaisian-Visean boundary beds of the Karatag section in southern Xinjiang, northwestern China. Another new subspecies Polygnathus communis carmanae is also formally named on the basis of the previously published information. Phylogenetic study reveals that subspecies of Polygnathus communis Branson et Mehl are critical to the stratigraphy of the uppermost Famennian to Visean. The carina→gancaohuensis lineage, along with index species of ammonoids, foraminifers and brachiopods, recovered from the Karatag section, is considered to be the potential criterion for defining the Tournaisian-Visean boundary. The Karatag section hence is one of the possible candidates of the global stratotype of the Tournaisian-Visean boundary. |
关键词 | 牙形类 conodont |
语种 | 英语 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.nigpas.ac.cn/handle/332004/42000 |
专题 | 中国科学院南京地质古生物研究所 |
作者单位 | 1.中国科学院南京地质古生物研究所 2.Institute of Geology and Paleontology,Tohoku Univesity |
第一作者单位 | 中国科学院南京地质古生物研究所 |
推荐引用方式 GB/T 7714 | Xin Fengsheng,Chen Zhongqiang. Polygn Athus communis gancaohuensis subsp.Nov.(Conodonta)From the tournaisian-visean boundary beds of Xinjiang,Nw China and the Phylogeny of polygnathus communis branson[J]. ACTA MICROPALAEONTOLOGICA SINICA,2004,21(2):136-147. |
APA | Xin Fengsheng,&Chen Zhongqiang.(2004).Polygn Athus communis gancaohuensis subsp.Nov.(Conodonta)From the tournaisian-visean boundary beds of Xinjiang,Nw China and the Phylogeny of polygnathus communis branson.ACTA MICROPALAEONTOLOGICA SINICA,21(2),136-147. |
MLA | Xin Fengsheng,et al."Polygn Athus communis gancaohuensis subsp.Nov.(Conodonta)From the tournaisian-visean boundary beds of Xinjiang,Nw China and the Phylogeny of polygnathus communis branson".ACTA MICROPALAEONTOLOGICA SINICA 21.2(2004):136-147. |
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