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本文对汤原断陷下第三系中新发现的介形类化石进行了研究，新建了两个介形类化石组合。并对含介形类化石的达连河组和宝泉岭组的地质时代进行了讨论。
In this paper, we studied the newly discovered ostracods from the Tertiary Depression in the Tangyuan fault depression and established two new fossil assemblages. The geological age of the Dalianhe Formation and the Baoquanling Formation, with the fossils of the fossils, are also discussed.