The earliest phyllolepid (Placodermi, Arthrodira) from the Late Lochkovian (Early Devonian) of Yunnan (South China)

IVPP-IR > 中科院古脊椎所（2000年以后）

	The earliest phyllolepid (Placodermi, Arthrodira) from the Late Lochkovian (Early Devonian) of Yunnan (South China)
	Dupret, V.; Zhu, M.; Dupret, V (reprint author), Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, POB 643,Xizhimenwai Dajie 142, Beijing 100044, Peoples R China.
	2008
发表期刊	GEOLOGICAL MAGAZINE
ISSN	0016-7568
卷号	145 期号:2 页码:257—278
摘要	Gavinaspis convergens, a new genus and species of the Phyllolepida (Placodermi: Arthrodira), is described on the basis of skull remains from the Late Lochkovian (Xitun Formation, Early Devonian) of Qujing (Yunnan, South China). This new form displays a mosaic of characters of basal actinolepidoid arthrodires and more derived phyllolepids. A new hypothesis is proposed concerning the origin of the unpaired centronuchal plate of the Phyllolepida by a fusion of the paired central plates into one single dermal element and the loss of the nuchal plate. A phylogenetic analysis suggests the position of Gavinaspis gen. nov. as the sister group of the Phyllolepididae, in a distinct new family (Gavinaspididac fam. nov.). This new form suggests a possible Chinese origin for the Phyllolepida or that the common ancestor to Phyllolepida lived in an area including both South China and Gondwana, and in any case corroborates the palaeogeographic proximity between Australia and South China during the Devonian Period.
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文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/3263
专题	中科院古脊椎所（2000年以后）古低等脊椎动物研究室
通讯作者	Dupret, V (reprint author), Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, POB 643,Xizhimenwai Dajie 142, Beijing 100044, Peoples R China.
推荐引用方式 GB/T 7714	Dupret, V.,Zhu, M.,Dupret, V . The earliest phyllolepid (Placodermi, Arthrodira) from the Late Lochkovian (Early Devonian) of Yunnan (South China)[J]. GEOLOGICAL MAGAZINE,2008,145(2):257—278.
APA	Dupret, V.,Zhu, M.,&Dupret, V .(2008).The earliest phyllolepid (Placodermi, Arthrodira) from the Late Lochkovian (Early Devonian) of Yunnan (South China).GEOLOGICAL MAGAZINE,145(2),257—278.
MLA	Dupret, V.,et al."The earliest phyllolepid (Placodermi, Arthrodira) from the Late Lochkovian (Early Devonian) of Yunnan (South China)".GEOLOGICAL MAGAZINE 145.2(2008):257—278.

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