典型文献
SE Asian Cenozoic Larger Foraminifera:Taxonomic Questions, Apparent Radiation and Abrupt Extinctions
文献摘要：
The Cenozoic larger foraminifera are important for biostratigraphy in SE Asia. This re-view examines the taxonomic inconsistencies of this group and especially the confusion over concepts of evolution, migration, radiation and extinction. It is proposed that from the Mediterranean to Indo-Pa-cific, Latest Eocene through Miocene, larger foraminifera populations were more homogenous than previously believed. Lineages show a slow morphological radiation interrupted by several extinctions. This pattern is superimposed on a long-term decline in larger foraminiferal abundance. The dating of the major biostratigraphic events are qualified. The main lineages of larger foraminifera can be classi-fied by their evolutionary style. The classically"large"genera have highly peramorphic trends achieved through strong orthoselection, and these lineages were the most severely hit by a series of Mid-Eocene to Mid-Miocene extinction events. Other carbonate facies taxa that are traditionally grouped with the larger foraminifera are characterised by weak paramorphism, and these were much less af-fected by the extinction events. Some of these weakly peramorphic forms underwent Latest Miocene to recent radiation to and locally become rock-forming organisms. The three major and one minor larger foraminiferal extinction events since the Mid Eocene coincide with abrupt tectonic events across SE Asia. However, there are probably multiple causes for these extinctions, including global climatic changes.
文献关键词：
中图分类号：
作者姓名：
Peter Lunt;Xiwu Luan
作者机构：
College of Earth Science and Engineering,Shandong University of Science and Technology(SDUST),Qingdao 266579,China;Stratos Energy Advisors,Kuala Lumpur,Malaysia
文献出处：
引用格式：
[1]Peter Lunt;Xiwu Luan-.SE Asian Cenozoic Larger Foraminifera:Taxonomic Questions, Apparent Radiation and Abrupt Extinctions)[J].地球科学学刊（英文版）,2022(06):1378-1399
A类：
Foraminifera,Abrupt,Extinctions,biostratigraphy,Lineages,peramorphic,orthoselection,paramorphism
B类：
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AB值：
0.560044
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