新疆准噶尔盆地南缘始新统安集海河组下段淡水沟鞭藻类  

EOCENE NEW FRESHWATER DINOFLAGELLATE CYSTS FROM THE LOWER MEMBER OF ANJIHAIHE FORMATION, SOUTH EDGE OF JUNGGAR BASIN, XINJIANG

作　　者：祝幼华 詹家祯[2] 何承全 ZHU Youhua;ZHAN Jiazhen;HE Chengquan(State Key Laboratory of Palaeobiology and Stratigraphy,Nanjing Institute of Geology and Palaeontology,Chinese Academy of Sciences,Nanjing 210008,China;The Exploration and Development Research Institute of Xinjiang Oilfield Company,China National Petroleum Corporation,Karamay 834000,China)

机构地区：[1]现代古生物学和地层学国家重点实验室,中国科学院南京地质古生物研究所,南京210008 [2]中国石油新疆油田公司实验检测研究院,克拉玛依834000

出　　处：《微体古生物学报》2022年第2期137-145,共9页Acta Micropalaeontologica Sinica

摘　　要：本文首次从新疆准噶尔盆地南缘昌吉河西岸安集海河组下段下部描述了4个沟鞭藻化石新种,分别为:Muiradinium granulatum sp. nov., M. humile sp. nov., M. incurvatum sp. nov.和M. laevigatum sp. nov.,并简述了沟鞭藻的组合特征。研究认为,当前的化石组合面貌指示一种淡水湖相沉积环境,其地层时代为始新世。Four new dinoflagellate cyst species, i.e. Muiradinium granulatum sp. nov., M. humile sp. nov., M.incurvatum sp. nov. and M. laevigatum sp. nov. from the lower part of the lower Anjihaihe formation, south edge of Junggar Basin, Xinjiang, China were described and illustrated in this paper. The characteristics of dinoflagellate assemblage were briefly described. The dinoflagellate cysts suggested a freshwater lacustrine sedimentary environment and a age of Eocene.

关 键 词：淡水沟鞭藻 安集海河组 始新统 准噶尔盆地 新疆 

分 类 号：Q914.82[天文地球—古生物学与地层学]