Discovery of agglutinated foraminifers from the Longzhaogou Group in eastern Heilongjiang Province |
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| Authors: | Email author" target="_blank">Gang?LiEmail author Shanmao?Yu |
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| Institution: | 1. State Key Laboratory of Paleobiology Stratigraphy, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing 210008, China
2. 108th Coal-prospecting Team of Geological Bureau, NE China and Inner Mongolia Coal Company, Jixi 158100, China |
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| Abstract: | The low diversity agglutinated foraminifers are recovered from the Qihulin Formation of the Longzhaogou Group in eastern Heilongjiang, China. The foraminiferal fauna consists of 9 species of 5 genera. The common members are Cribrostomoides nonioninoides (Reuss), Haplophragmoides concavus (Chapman), H. gigas minor Nauss. Although the diagnostic zonal taxa are absent in the agglutinated fauna, according to the global stratigraphic distribution of the above-mentioned species, and the associated Pseudohaploceras ammonite fauna, the foraminiferal fauna may be of a Barremian-Aptian (Early Cretaceous) age. |
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| Keywords: | Early Cretaceous agglutinated foraminifers Longzhaogou Group eastern Heilongjiang China |
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