本图仅呈现地质年代各期的海洋生物灭绝比例,包含规模最大的五次灭绝事件。蓝色部分代表大致的灭绝
属比例,以该时期与下一时期的
化石纪录比较计算。
森诺曼期-土仑期灭绝事件(英语:Cenomanian-Turonian boundary event,简称OAE2)是发生于白垩纪的二个海洋含氧量降低物种灭绝事件之一。该次事件大约发生于9150 ± 860 万年前[1],不过亦有研究指出其约发生于9300-9400万年前[2]。
参考资料[编辑]
外部链接[编辑]
- Mid Cretaceous (Aptian – Turonian) Planktic And Benthic Foraminifera From Israel: Zonation And Markers The Ministry Of National Infrastructures Geological Survey Of Israel
- Cenomanian/Turonian stage boundary event in the north-west Pacific: Marine biodiversity and palaeoceanographic background Division of Geology, Earth Sciences, Resources and Environmental Engineering Specialization, Major in Environment, Resources and Materials Science Engineering, Graduate School of Science and Engineering, Waseda University A doctoral dissertation (Dr. Sci.), Waseda University, Tokyo, February 2006
- First evidence for the Cenomanian–Turonian oceanic anoxic event (OAE2, ‘Bonarelli’ event) from the Ionian Zone, western continental Greece
- Micropalaeontology and Stratigraphy of the Cenomanian/Turonian boundary in the Lusitanian Basin, Portugal