Taxonomical and biostratigraphical remarks on the rhynchonellide "Paurorhyncha" (Brachiopoda) in the Yidade Formation of eastern Yunnan, China
Qiao, Li (乔丽); Shen, Shu-Zhong (沈树忠)
2016-12-01
发表期刊PALAEOWORLD
ISSN1871-174X
卷号25期号:4页码:639-646
摘要

Additional specimens of rhynchonellide brachiopods from the marly limestones in the Yidade Formation at the Panxi section in eastern Yunnan have been ascribed to the species "Paurorhyncha" squamosa Wang, 1956 and "P." depressa Wang, 1956. The two species have been used frequently as index fossils for the Frasnian (Upper Devonian), but their taxonomic assignments are problematic because their internal structures remain unknown. In this study, detailed systematical examinations on both external characters and internal structures revealed by serial sections suggest that the two species are more appropriately assigned to the genus Hadrotatorhynchus Sartenaer, 1986. Based on the stratigraphical distributions of Hadrotatorhynchus and the conodonts in the upper unit of the Yidade Formation, the Hadrotatorhynchus-bearing horizons are re-considered as the uppermost Givetian (Middle Devonian) rather than Frasnian stage, although the precise position of the Middle/Upper Devonian boundary still depends on further investigations of high-resolution biostratigraphy. (C) 2016 Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. All rights reserved.

关键词Yidade Formation Panxi Section Hadrotatorhynchus Rhynchonellide Brachiopods Devonian
DOI10.1016/j.palwor.2016.07.002
语种英语
WOS研究方向Paleontology
WOS类目Paleontology
WOS记录号WOS:000388510600012
出版者ELSEVIER SCIENCE BV
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/12654
专题中国科学院南京地质古生物研究所
其他
通讯作者Qiao, Li (乔丽)
作者单位Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
第一作者单位中国科学院南京地质古生物研究所
通讯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
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Qiao, Li ,Shen, Shu-Zhong . Taxonomical and biostratigraphical remarks on the rhynchonellide "Paurorhyncha" (Brachiopoda) in the Yidade Formation of eastern Yunnan, China[J]. PALAEOWORLD,2016,25(4):639-646.
APA Qiao, Li ,&Shen, Shu-Zhong .(2016).Taxonomical and biostratigraphical remarks on the rhynchonellide "Paurorhyncha" (Brachiopoda) in the Yidade Formation of eastern Yunnan, China.PALAEOWORLD,25(4),639-646.
MLA Qiao, Li ,et al."Taxonomical and biostratigraphical remarks on the rhynchonellide "Paurorhyncha" (Brachiopoda) in the Yidade Formation of eastern Yunnan, China".PALAEOWORLD 25.4(2016):639-646.
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