themicrovertebrateremainsandassemblagesequencesacrossthesiluriandevoniantransitioninwestqinlingchina | |
Zhao Wenjin; Wang Nianzhong; Zhu Min; Jia Liantao | |
刊名 | 古脊椎动物学报 |
2012 | |
卷号 | 50期号:4页码:309 |
ISSN号 | 1000-3118 |
英文摘要 | West Qinling is an important area for the study of the Silurian/Devonian Boundary (SDB) in the South China Block. The SDB sequence in the Putonggou Section includes the upper part of the Yanglugou Formation and the lower part of the Xiaputonggou Formation, in which microvertebrate remains (thelodonts, placoderms, acanthodians and chondrichthyans) in association with conodonts and brachiopods have been collected. Two microvertebrate assemblages are recognized in the Putonggou Section: the Yanglugou Assemblage from the upper part of the Yanglugou Formation, and the Xiaputonggou Assemblage from the lower part of the Xiaputonggou Formation in association with the conodont Icriodus woschmidti woschmidti. The Yanglugou Assemblage yields the acanthodians Gomphonchus sandelensis and Ischnacanthidae gen. indet., and the Xiaputonggou Assemblage includes the thelodonts (Parathelodus scitulus, P. asiaticus and P. cornuformis), the acanthodians (Nostolepis gracilis, N. striata, N. tewonensis, Gansuichthys liui, Poracanthodes zoigenensis, Poracanthodes cf. P. porosus, Ischnacanthys sp.), the chondrichthyan (Arauzia ? sp.), and the placoderm (a pectoral fin fragment of Chuchinolepis ? sp.). Based on the correlation with the microvertebrate biozones in East Baltic, the Yanglugou and Xiaputonggou assemblages are referred to the Late Pridoli and the early Lochkovian respectively, thus providing paleoichthyological evidence for the location of the SDB in West Qinling. |
语种 | 英语 |
内容类型 | 期刊论文 |
源URL | [http://119.78.100.205/handle/311034/13955] |
专题 | 古脊椎动物与古人类研究所_图书馆1 中国科学院古脊椎动物与古人类研究所 |
作者单位 | 中国科学院古脊椎动物与古人类研究所 |
推荐引用方式 GB/T 7714 | Zhao Wenjin,Wang Nianzhong,Zhu Min,et al. themicrovertebrateremainsandassemblagesequencesacrossthesiluriandevoniantransitioninwestqinlingchina[J]. 古脊椎动物学报,2012,50(4):309. |
APA | Zhao Wenjin,Wang Nianzhong,Zhu Min,&Jia Liantao.(2012).themicrovertebrateremainsandassemblagesequencesacrossthesiluriandevoniantransitioninwestqinlingchina.古脊椎动物学报,50(4),309. |
MLA | Zhao Wenjin,et al."themicrovertebrateremainsandassemblagesequencesacrossthesiluriandevoniantransitioninwestqinlingchina".古脊椎动物学报 50.4(2012):309. |
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