1 Introduction As one of the major zooplanktonic organisms in the Ordovician and Silurian marine ecosystems,graptolites played a unique role in the GOBE(Great Ordovician Biodiversification Event)and underwent a consid...1 Introduction As one of the major zooplanktonic organisms in the Ordovician and Silurian marine ecosystems,graptolites played a unique role in the GOBE(Great Ordovician Biodiversification Event)and underwent a considerable variation of diversities both in lifestyle and in speciation through the Ordovician(Sadler et al.,2011;Cooper et al.,2014).展开更多
基金funded by the financial support from the National Natural Science Foundation of China(Grant No.41772005)the Chinese Academy of Sciences(Grant Nos.XDB10010100,XDB26000000)+1 种基金the Ministry of Science and Technology of China(Grant Nos.2013FY111000,2017ZX05036-001-004)IGCP Project 653’The Onset of the Great Ordovician Biodiversification Event’.
文摘1 Introduction As one of the major zooplanktonic organisms in the Ordovician and Silurian marine ecosystems,graptolites played a unique role in the GOBE(Great Ordovician Biodiversification Event)and underwent a considerable variation of diversities both in lifestyle and in speciation through the Ordovician(Sadler et al.,2011;Cooper et al.,2014).