PARALLEL EVOLUTION OF JUGAL STRUCTURES IN DEVONIAN ATHYRIDIDE   BRACHIOPODS

doi:10.1111/pala.12131

CORC > 北京大学 > 地球与空间科学学院

	PARALLEL EVOLUTION OF JUGAL STRUCTURES IN DEVONIAN ATHYRIDIDE BRACHIOPODS
	Guo, Wen ; Sun, Yuanlin ; Balinski, Andrzej
刊名	palaeontology
	2015
关键词	Sinathyris Athyridida double spiralium Devonian phylogenetic analyses China
DOI	10.1111/pala.12131
英文摘要	Here, we describe Sinathyris crassa gen. et sp. nov., a new early Emsian (Early Devonian) athyridide brachiopod with a double spiralium from the Guangxi Province of southern China. Unlike the majority of genera of the subfamily Helenathyridinae, which possess accessory spiral lamellae developed directly from the jugal branches, the form described here shows these lamellae arising from a distally bifurcating jugal stem. These differences suggest that the double spiralium in S.crassa might have appeared independently from the double spiralium of the helenathyridins. To test the subfamily assignment of Sinathyris gen. nov., we carried out phylogenetic analyses, which indicate that the new genus is more appropriately referred to the Didymothyridinae. The cladistic analyses of the athyridides indicate that double spiralia have developed independently among these brachiopods at least five times during their evolutionary history.; Paleontology; SCI(E); 0; ARTICLE; cherry.gw@163.com; ylsun@pku.edu.cn; balinski@twarda.pan.pl; 1; 171-182; 58
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/155340]
专题	地球与空间科学学院
推荐引用方式 GB/T 7714	Guo, Wen,Sun, Yuanlin,Balinski, Andrzej. PARALLEL EVOLUTION OF JUGAL STRUCTURES IN DEVONIAN ATHYRIDIDE BRACHIOPODS[J]. palaeontology,2015.
APA	Guo, Wen,Sun, Yuanlin,&Balinski, Andrzej.(2015).PARALLEL EVOLUTION OF JUGAL STRUCTURES IN DEVONIAN ATHYRIDIDE BRACHIOPODS.palaeontology.
MLA	Guo, Wen,et al."PARALLEL EVOLUTION OF JUGAL STRUCTURES IN DEVONIAN ATHYRIDIDE BRACHIOPODS".palaeontology (2015).