A new tooth-plated lungfish from the Middle Devonian of Yunnan, China, and its phylogenetic relationships

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	A new tooth-plated lungfish from the Middle Devonian of Yunnan, China, and its phylogenetic relationships
	Qiao, Tuo 1,2; Zhu, Min1 ; [email protected]
	2009-05-01
发表期刊	ACTA ZOOLOGICA
ISSN	0001-7272
卷号	90 页码:236-252
文章类型	Article
摘要	A new genus and species of tooth-plated lungfish, Sinodipterus beibei gen. et sp. nov., is described from the Qujing Formation (Middle Devonian, late Eifelian) of Zhaotong, Yunnan, China. The new form resembles Dipterus in the skull table, but differs in its tooth-plate: cosmine-like tissue absent near the midline, tooth rows fewer in number (7 to 8) and less divergent radiating, and no reparative dentine layers. Phylogenetic analysis of Devonian lungfish based on a dataset of 150 characters and 33 taxa indicates that the new taxon is more crownward than Dipterus and the clade comprising Adololopas, Sorbitorhynchus and Pillararhynchus. Our results agree broadly with previous cladistic solutions. Diabolepis is placed as a sister group to all other Devonian lungfish. The species referred to Chirodipterus fail to form a monophyletic group. The result shows a large number of convergences corresponding to early radiation of lungfish compressed in time.
关键词	China Devonian Lungfish Phylogeny Sinodipterus
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
URL	查看原文
关键词[WOS]	DIPNOAN ; INTERRELATIONSHIPS ; EVOLUTION ; FISH ; DIPNORHYNCHUS ; SARCOPTERYGII ; ICHNOMYLAX ; AUSTRALIA ; GENUS
收录类别	SCI ; ISTP
语种	英语
WOS研究方向	Anatomy & Morphology ; Zoology
WOS类目	Anatomy & Morphology ; Zoology
WOS记录号	WOS:000266242000020
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/4741
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	[email protected]
作者单位	1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Lab Evolutionary Systemat Vertebrates, Beijing 100044, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Qiao, Tuo,Zhu, Min,[email protected]. A new tooth-plated lungfish from the Middle Devonian of Yunnan, China, and its phylogenetic relationships[J]. ACTA ZOOLOGICA,2009,90:236-252.
APA	Qiao, Tuo,Zhu, Min,[email protected].(2009).A new tooth-plated lungfish from the Middle Devonian of Yunnan, China, and its phylogenetic relationships.ACTA ZOOLOGICA,90,236-252.
MLA	Qiao, Tuo,et al."A new tooth-plated lungfish from the Middle Devonian of Yunnan, China, and its phylogenetic relationships".ACTA ZOOLOGICA 90(2009):236-252.

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