The well-field of Miaoqian belongs to Permian System coal measures in the west of Fujian, and the coal-bearing strata in first and second section of Tongziyan formation are the same as Wenbishan formation. The Pseudohalorites Jurentutis sp. Found in this area was a division basis.%福建庙前井田属福建二叠纪含煤地层连城区，童子岩组的第一段、第二段的沉积特征与文笔山组相似，均为黑灰色泥岩、粉砂岩，地层难以划分，特别是出现缓断层构造时无法进行对比。野外工作中，笔者在文笔山组地层中发现假海乐菊石幼年种这一标志，作为划分依据。
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