Early Cretaceous nonmarine bivalve assemblages from the Jehol Group in western Liaoning, northeast China

被引：28
作者：
Jiang, Baoyu
Sha, Jingeng
Cai, Huawei
机构：
[1] Nanjing Univ, Dept Earth Sci, Nanjing 210093, Jiangsu, Peoples R China
[2] Acad Sinica, Inst Geol & Palaeontol, Nanjing 210008, Jiangsu, Peoples R China
来源：
CRETACEOUS RESEARCH | 2007年 / 28卷 / 02期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
bivalves; nonmarine; Early Cretaceous; Jehol Group; Liaoning; China;
D O I：
10.1016/j.cretres.2006.05.013
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
The Jehol Group in western Liaoning yields 13 species of nonmarine bivalves belonging to seven genera. Three assemblages are identified: Arguniella yanshanensis-Sphaerium anderssoni, Margaritifera (Mengyinaia) mengyinensis-Nakamuranaia subrotunda and Arguniella liaoxiensis-Musculiopsis yixianensis, their ages ranging from late Barremian to early Albian. The Arguniella yanshanensis-Sphaerium anderssoni Assemblage is shown to be late Barremian-early Aptian in age on the basis of radiometric dating. The other two assemblages range from middle Aptian to early Albian in age according to both marine intercalations and radiometric dating. (C) 2006 Elsevier Ltd. All rights reserved.
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收藏
页码：199 / 214
页数：16
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