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ORDOVICIAN CONODONTS FROM DRILLINGS IN THE TAKLIMAKAN DESERT, XINJIANG, NW CHINA
Author(s): 
Pages: 133-148
Year: Issue:  2
Journal: ACTA MICROPALAEONTOLOGICA SINICA

Keyword:  牙形刺塔克拉玛干沙漠井下奥陶系新疆;
Abstract: 共测制了13条新疆塔里木塔克拉玛干沙漠中部和北部井下的奥陶系剖面,并在不同的相区发现了不同的牙形刺序列。在北部地区牙形刺带由上而下为: Aphelognathus pyramidalis, Yaoxianognathus yaoxianensis-Belodina confluens, Baltoniodus alobatus, Pygodus anserinus, P. serra, Paroistodus proteus, Glyptoconus quadraplicatus和Rossodus manitouensis-Cordylodus rotundatus等带;在中部地区,牙形刺带由上而下为: Serratognathus diversus, Chosonodina和Rossodus manitouensis-Cordylodus rotundatus等带。另外,本文也讨论了牙形刺带的对比,生物相及本区的古地理轮廓变化;描述了新种Pygodus xinjigngensis。
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