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Terms for subject Earth sciences containing 古生代 | all forms | in specified order only
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古生代石灰岩和角页岩Upper Paleozoic limestone and hornfels
古生代岩石Paleozoic rocks
古生代建造Paleozoic formations
国际古生代微植物群委员会International Commission for the Microflora of the Paleozoic
未分异的古生代白云岩undifferential paleozoic dolomites