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太子河流域西部竹蜓类动物群，以本溪—牛心台地区为最发育，一般可划分为一个共存延限带，一个组合带，后者又可进一步划分为３个组合亚带。ⅡＦｕｓｕｌｉｎａ－Ｆｕｓｕｌｉｎｅｌａ组合带３Ｆｕｓｕｌｉｎａｃｙｌｉｎｄｒｉｃａ－Ｆ．ｑｕａｓｉｃｙｌｉｎｄｒｉｃａ组合亚带２Ｆｕｓｕｌｉｎｅｌａｐｒｏｖｅｃｔｕ－Ｆｕｓｕｌｉｎａｐｓｅｕｄｏｋｏｎｎｏｉ组合亚带１Ｆｕｓｕｌｉｎａｓｃｈｅｌｗｉｅｎｉ－Ｆ．ｍａｙｉｅｎｓｉｓ组合亚带ⅠＰｒｏｆｕｓｕｌｉｎｅｌａｐａｒｖａ－Ｅｏｓｔａｆｅｌａｓｕｂｓｏｌａｎａ共存延限带Ｐｒｏｆｕｓｕｌｉｎｅｌａｐａｒｖａ系作者等研究辽南竹蜓类并建带的带分子，Ｅｏｓｔｕｆｆｅｌａｓｕｂｓｏｌａｎａ为盛金章教授建立的辽东本溪群下部竹蜓带的带分子，时代为中石炭世早期。Ｆｕｓｕｌｉｎａ－Ｆｕｓｕｌｉｎｅｌａ组合带代表本区及东北南部最发育的竹蜓类动物群。该带属于中石炭世中—晚期，也是太子河流域最大海侵期。以上二个竹蜓类生物带总体应属于Ｍｏｓｃｏｖｉａｎ阶，时代为中石炭世。
The bamboo-fauna in the western Taizihe basin are most developed in Benxi-Niuxintai area, and can be divided into a coexistence delineation zone and a combination zone, which can be further divided into three sub-zones. ⅡFusulina-Fusulinela combination with 3Fusulinacylindrica-F. Quasicylindrica combination subfacies 2Fusulinelaprovectu-Fusulinapseudokonnoi combination subfamily 1Fusulinaschelwieni-F. Mayiensis combination subzone ⅠProfusulinelaparva-Eostafelasubsolana coexistence of delineation zone Profusulinelaparva authors such as the study of southern bamboo dragonfly and belt zone molecules, Eostuffelasubsolana for Professor Sheng Jin Zhang Liaodong Benxi Group lower bamboo dragonfly zone molecules, the era of the Carboniferous Early. The Fusulina-Fusulinela assemblage represents the most developed species of bambooflies in the region and in the south-eastern part of the country. The Belong to the Middle Carboniferous - late, is also the most transgressions of the Taizi River Basin. The above two bamboo-type biological belts should belong to the overall Moscovian order, the era of the Carboniferous.