The oldest sarcopterygian fish

IVPP-IR > 中科院古脊椎所（2000年以后）

	The oldest sarcopterygian fish
	Min, Z ; Schultze, HP ; Min, Z (reprint author), Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, POB 643, Beijing 100044, Peoples R China.
	1997-12-01
发表期刊	LETHAIA
ISSN	0024-1164
卷号	30 期号:4 页码:293-304
文章类型	Article
摘要	The study of basal sarcopterygians is crucial to an understanding of the relationships and interrelationships of sarcopterygians, including their relationship to tetrapods. The new material from Qujing, Yunnan, southwestern China, represents the oldest known sarcopterygian fish and extends the record of sarcopterygians to the Late Silurian, or about 410 Ma. The new form is close to Youngolepis and Powichthys at the base of the Crossopterygii. Similarities among the lower jaws of onychodonts, porolepiforms, Youngolepis, Powichthys and the new form support a position of onychodonts within the Crossopterygii. Four characters in the character matrix of Cloutier & Ahlberg (1996, in Stiassny et al.: Interrelationships of Fishes, Academic Press) are reviewed, and sarcopterygian interrelationships are studied on the basis of their data with minor modifications. The new scheme of sarcopterygian interrelationships differs markedly from Cloutier & Ahlberg's scheme. Neither actinistians nor onychodonts are situated at the base of Sarcopterygii, but within the Crossopterygii. Youngolepis and Powichthys are at the base of the Crossopterygii, instead of being the sister group of dipnoans plus Diabolepis.; The study of basal sarcopterygians is crucial to an understanding of the relationships and interrelationships of sarcopterygians, including their relationship to tetrapods. The new material from Qujing, Yunnan, southwestern China, represents the oldest known sarcopterygian fish and extends the record of sarcopterygians to the Late Silurian, or about 410 Ma. The new form is close to Youngolepis and Powichthys at the base of the Crossopterygii. Similarities among the lower jaws of onychodonts, porolepiforms, Youngolepis, Powichthys and the new form support a position of onychodonts within the Crossopterygii. Four characters in the character matrix of Cloutier & Ahlberg (1996, in Stiassny et al.: Interrelationships of Fishes, Academic Press) are reviewed, and sarcopterygian interrelationships are studied on the basis of their data with minor modifications. The new scheme of sarcopterygian interrelationships differs markedly from Cloutier & Ahlberg's scheme. Neither actinistians nor onychodonts are situated at the base of Sarcopterygii, but within the Crossopterygii. Youngolepis and Powichthys are at the base of the Crossopterygii, instead of being the sister group of dipnoans plus Diabolepis.
关键词	Diabolepis Sarcopterygii Late Silurian China Phylogeny
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]	TETRAPODS ; FOSSILS ; ORIGIN
收录类别	SCI
语种	英语
WOS研究方向	Paleontology
WOS类目	Paleontology
WOS记录号	WOS:000071688900004
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/4001
专题	中科院古脊椎所（2000年以后）
通讯作者	Min, Z (reprint author), Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, POB 643, Beijing 100044, Peoples R China.
作者单位	1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China 2.Museum Nat Kunde, Inst Paleontol, D-10115 Berlin, Germany
推荐引用方式 GB/T 7714	Min, Z,Schultze, HP,Min, Z . The oldest sarcopterygian fish[J]. LETHAIA,1997,30(4):293-304.
APA	Min, Z,Schultze, HP,&Min, Z .(1997).The oldest sarcopterygian fish.LETHAIA,30(4),293-304.
MLA	Min, Z,et al."The oldest sarcopterygian fish".LETHAIA 30.4(1997):293-304.

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