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本文描述了新疆塔里木盆地塔中地区岩心中的上奥陶统良里塔格组的变口目苔虫3科12属16种,包括8个未定种,分别为Prasopora grayae Nicholson et Etheridge,Atactoporella declivis(Hu),Peronoporasp.,Meso-trypa angularisUlrich et Bassler,Dekayiasp.,Batostoma increbescens Bork et Perry,B.sp.1,B.sp.2,B.sp.3,Eridotrypasp.,Bythoporasp.,Amplexopora minnesotensis(Ulrich),Leptotrypasp.,Hallopora elegantula(Hall),H.incontroversa(Ulrich),Diplotrypa catenulata Coryell。
This paper describes 16 species of 12 genera and 3 genera of the Upper Ordovician Lianglitage Formation in the core of Tazhong area, Tarim Basin, Xinjiang, including 8 unidentified species, namely Prasopora grayae Nicholson et Etheridge, Atactoporella declivis (Hu ), Peronoporasp., Meso-trypa angularis Ulrich et Bassler, Dekayiasp., Batostoma increbescens Bork et Perry, B.sp.1, B. sp.2, B. sp.3, Eridotrypasp., Bythoporasp., Amplexopora minnesotensis (Ulrich) , Leptotrypasp., Hallopora elegantula (Hall), H. incontroversa (Ulrich), Diplotrypa catenulata Coryell.