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LATE CRETACEOUS NON-MARINE OSTRACODA FROM THE DINOSAUR EGG-BEARING STRATA OF THE XIXIA BASIN,HENAN,CHINA
Author(s): CAO Meizhen 1)and WANG Deyou 2)1)Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 2100082)Scientific Academy of Land and Resources of Henan Province, Zhengzhou 450053
Pages: 98-
105
Year: 2011
Issue:
1
Journal: Acta Micropalaeontologica Sinica
Keyword: 介形类; 非海相; 晚白垩世; 含恐龙蛋地层; 西峡盆地; 河南;
Abstract: 河南西峡盆地含恐龙蛋地层高沟组、马家村组和寺沟组共发现介形类13属(亚属)20种,其中高沟组和寺沟组的介形类为首次报道。文章重点讨论了介形类Talicypridea动物群,其中Talicypridea,Altanicypris,Ruficypris和Lunicypris属的地质历程均限于晚白垩世。依据Talicypridea动物群在国内外的地层分布特征,确认含恐龙蛋地层的时代属晚白垩世,很可能为晚白垩世中-晚期,大致相当于康尼亚克期(Coniacian)-坎潘期(Campa-nian)。
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