Middle Triassic (Anisian) diversified bivalves: depositional environments and bivalve assemblages in the Leidapo Member of the Qingyan Formation, southern China

doi:10.1016/j.palaeo.2004.03.005

	Middle Triassic (Anisian) diversified bivalves: depositional environments and bivalve assemblages in the Leidapo Member of the Qingyan Formation, southern China
	Komatsu, T ; Chen, JH (陈金华); Cao, MZ (曹美珍); Stiller, F ; Naruse, H
	2004-06-10
发表期刊	PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN	0031-0182
卷号	208 期号:3-4 页码:207-223
摘要	The Middle Triassic (Anisian) Leidapo Member of the Qingyan Formation, which crops out in southwestern China, consists of basin-floor and slope deposits with abundant benthic fossils and records two transgressions and one regression. The well preserved bivalves are grouped into four assemblages. The allochthonous Cassianella-Elegantinia and Protostrea-Cassianella assemblages as well as the autochthonous Palaeonucula assemblage are found in slope deposits. The allochthonous assemblages exhibit several modes of occurrence in sediment gravity-flow deposits. The parautochthonous Posidonia assemblage is preserved in slope and basin deposits. The genus-level compositions of these bivalve assemblages are similar to those from the Early Carman of Tethyan Europe. It is probable that a significant diversification of bivalves took place in the Anisian. (C) 2004 Elsevier B.V All rights reserved.
关键词	Bivalve China Depositional Environment Diversification Gravity-flow Deposits Triassic
DOI	10.1016/j.palaeo.2004.03.005
语种	英语
关键词[WOS]	Guizhou Province ; Carbonate Platform ; Gastropoda ; Slope ; Field ; Bank
WOS研究方向	Physical Geography ; Geology ; Paleontology
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS记录号	WOS:000222192400003
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/332004/1038
专题	中国科学院南京地质古生物研究所
通讯作者	Komatsu, T
作者单位	1.Kumamoto Univ, Fac Sci, Dept Earth Sci, Kumamoto 8608555, Japan 2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China 3.Univ Munster, Inst Geol & Palaeontol, D-48149 Munster, Germany 4.Kyoto Univ, Grad Sch Sci, Dept Earth & Planetary Sci, Kyoto 606, Japan
推荐引用方式 GB/T 7714	Komatsu, T,Chen, JH ,Cao, MZ ,et al. Middle Triassic (Anisian) diversified bivalves: depositional environments and bivalve assemblages in the Leidapo Member of the Qingyan Formation, southern China[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2004,208(3-4):207-223.
APA	Komatsu, T,Chen, JH ,Cao, MZ ,Stiller, F,&Naruse, H.(2004).Middle Triassic (Anisian) diversified bivalves: depositional environments and bivalve assemblages in the Leidapo Member of the Qingyan Formation, southern China.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,208(3-4),207-223.
MLA	Komatsu, T,et al."Middle Triassic (Anisian) diversified bivalves: depositional environments and bivalve assemblages in the Leidapo Member of the Qingyan Formation, southern China".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 208.3-4(2004):207-223.