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首次描述塔里木盆地塔中地区井下的上奥陶统良里塔格组的钙化蓝细菌化石2纲、2目、5科11属:Girvanella,Subtifloria,Rothpletzella,Hedstroemia,Ortonella,Garwoodia,Di morphosiphonoides,Izhella,Renal-cis,Proaulopora,Phacelophyton,和存疑分子2属:Wetheredella,Nuia。对多数属进行到种一级鉴定。对Gar-woodiaceae中的几个近似属的鉴定标准进行讨论,对Hedstroemia,Ortonella属的定义进行修改,建议废弃Mi-theldeania,Sphaerocodium两个属名,将原来归入绿藻的Di morphosiphonoides归入蓝细菌。
The first of two genera of calcification of the cyanobacteria in the Upper Ordovician Lianglitage Formation in the Tazhong area, Tarim Basin, is composed of 2 genera and 5 genera and 11 genera: Girvanella, Subtifloria, Rothpletzella, Hedstroemia, Ortonella, Garwoodia, Di morphosiphonoides, Izhella, Renal -cis, Proaulopora, Phacelophyton, and Doubt 2 genera: Wetheredella, Nuia. To most of the species to a species of identification. The identification criteria of several similar genera in Gar-woodiaceae are discussed. The definitions of Hedstroemia and Ortonella are modified. It is suggested that the two genus Mi-theldeania and Sphaerocodium be discarded, and Di morphosiphonoides originally classified as algae should be classified as blue bacterial.