New discovery of fossils from Lower Cretaceous Bayingebi Formation in the Yagan area of Ejina Banner, Inner Mongolia

DING Haisheng; LEI Congcong; YAN Zhenjun; WANG Wenbao; LI Weixing; MA Jun; BO Haijun; LI Chengyuan; WANG Zhenyi

doi:10.12097/j.issn.1671-2552.2023.09.012

2023 Vol. 42, No. 9

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DING Haisheng, LEI Congcong, YAN Zhenjun, WANG Wenbao, LI Weixing, MA Jun, BO Haijun, LI Chengyuan, WANG Zhenyi. 2023. New discovery of fossils from Lower Cretaceous Bayingebi Formation in the Yagan area of Ejina Banner, Inner Mongolia. Geological Bulletin of China, 42(9): 1571-1580. doi: 10.12097/j.issn.1671-2552.2023.09.012

Citation:

DING Haisheng, LEI Congcong, YAN Zhenjun, WANG Wenbao, LI Weixing, MA Jun, BO Haijun, LI Chengyuan, WANG Zhenyi. 2023. New discovery of fossils from Lower Cretaceous Bayingebi Formation in the Yagan area of Ejina Banner, Inner Mongolia. Geological Bulletin of China, 42(9): 1571-1580. doi: 10.12097/j.issn.1671-2552.2023.09.012

New discovery of fossils from Lower Cretaceous Bayingebi Formation in the Yagan area of Ejina Banner, Inner Mongolia

Hohhot General Survey of Natural Resources Center, China Geological Survey, Hohhot 010010, Inner Mongolia, China

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Corresponding author: LEI Congcong, 742934975@qq.com

Received Date: 16 July 2021

Revised Date: 29 March 2022

Publish Date: 15 September 2023

Abstract

Abstract

This study reports the discovery of the Early Cretaceous conchostracan fossils and plant fossils in the Hongguoerjiwula intermontane basin, northwest of Yingen-Ejina Basin.The conchostracan fossils were founded belong to 1 genus and 2 species named Diestheria yixianensis Chen and Diestheria longinqua Chen.Five genus(species) plant fossils were founded include: Podozamites sp., Equisetites sp., Baiera sp., Nilssonia sp., Czekanowskia sp..The conchostracan fossils mentioned above are very important components of Jehol biota, and the plant fossils are also common components in Mesozoic strata during Late Triassic to Late Cretaceous.Biostratigraphic classification evidence suggests that the era of the strata is Early Cretaceous and incorporated into Bayingebi Fromation.The discovery of these fossils, enriches the research contents of Mesozoic biostratigraphy in Yingen-Ejina Basin, provides the latest reference for the stratigraphic correlation of the Early Cretaceous in the basin.
- Yingen-Ejina Basin /
- Early Cretaceous /
- Bayingebi Formation /
- conchostracan fossils /
- plant fossils

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References

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