该“锥状菌层”的外形特征与叠锥极为相似，但它不属于成岩作用的产物，也不是沉积构造特征。
The cone bacteria bed resembles cone-incone in morphology, but it is neither product of diagenesis nor sedimentary structure.
该“锥状菌层”的外形特征与叠锥极为相似，但它不属于成岩作用的产物，也不是沉积构造特征。
The cone bacteria bed resembles cone-incone in morphology, but it is neither product of diagenesis nor sedimentary structure.
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