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| 松辽盆地阿尔必期微体浮游植物新属种 | |
| 引用本文： | 何承全. 松辽盆地阿尔必期微体浮游植物新属种[J]. 微体古生物学报, 1992, 9(2): 183-196 |
| 作者姓名： | 何承全 |
| 作者单位： | 中国科学院南京地质古生物研究所，大庆石油管理局勘探开发研究院，大庆石油管理局勘探开发研究院 南京 210008，大庆 163712，大庆 163712 |
| 摘 要： | 该文描述了松辽盆地中白垩世阿尔必期泉头组三段的微体浮游植物化石1新属7新种,隶属于微咸水沟鞭藻类2属5新种(含4新亚种),淡水绿藻1属1种和疑源类1新属1新种。并对沟鞭藻 Ngktericysta Bint,1986进行了修订。 |
| 关 键 词： | 新属一新种 松辽盆地 微体浮动植物 |
NEW ALBIAN MICROPHYTOPLANKTON FROM THE SONGLIAO BASIN, NORTHEAST CHINA |
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| He Cheng-quan,Gao Rui-qi,Qiao Xiu-yun Nanjing Institute of Geology and Palaeontology,Academia Sinica,Nanjing Research Institute of Exploration and Development,Daqing Petroleum Administrative Bureau,Daqing. NEW ALBIAN MICROPHYTOPLANKTON FROM THE SONGLIAO BASIN, NORTHEAST CHINA[J]. Acta Micropalaeontologica Sinica, 1992, 9(2): 183-196 | |
| Authors: | He Cheng-quan Gao Rui-qi Qiao Xiu-yun Nanjing Institute of Geology Palaeontology Academia Sinica Nanjing Research Institute of Exploration Development Daqing Petroleum Administrative Bureau Daqing |
| Affiliation: | He Cheng-quan,Gao Rui-qi,Qiao Xiu-yun Nanjing Institute of Geology and Palaeontology,Academia Sinica,Nanjing 210008 Research Institute of Exploration and Development,Daqing Petroleum Administrative Bureau,Daqing 163712 |
| Abstract: | The Albian microphytoplankton discovered from Member 3 of the Quantou Formation in theSongliao Basin consist mainly of slightly brackish water dinoflagellate cysts including Nyktericysta andOperculodinium, and freshwater chlorococcalean algae of Scenedesmus and Pediastrum, reflecting thatthe Songliao Basin was most probably a lake close to the seashore, upon which the seawater had oftenencroached. It is interesting that Nyktericysta and Scenedesmus are rarely associated with Operculodiniumwhich extends into the overlying transgressive beds. Here erected are five new species with four newsubspecies of dinoflagellates, one new species of chlorophyta and one new genus with one new speciesof acritarchs. In addition, the definition of Nyktericysta is emended. |
| Keywords: | dinocysts Chlorophyta Middle Cretaceous Albian acritarchs brackish-freshwater Songliao Basin |
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