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广西宜山地区上石炭统与下二叠统界线附近的珊瑚由下面上可划分为5个组合带:(1)Paracarruthersella-Carinthiaphyllum carnicum(Pa-Ca)组合带,(2)Pseudocarniaphyllum-Pseudozaphrentoides mapingensis-Antheria polygonalis(Pa-Pm-A)组合带,(3)Chusenophy-Poly