According to the conodont and fusulinid fossils,their ages are determined to be Devonian-Permian.
根据所含化石确定地层形时代为泥盆叠。
According to the conodont and fusulinid fossils,their ages are determined to be Devonian-Permian.
根据所含化石确定地层形时代为泥盆叠。
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