This abundant foraminiferal fauna provides new data for a better understanding on the mass extinction pattern at the end of the Permian.
This abundant foraminiferal fauna provides new data for a better understanding on the mass extinction pattern at the end of the Permian.
这一丰富的有孔虫动物群，不仅进一步完善了长兴阶标准剖面的化石资料，而且也为研究二叠纪末的生物灭绝形式提供了新的依据。