Upper Cretaceous : Including the Sifangtai Formation — Minshui Formation, corresponding to the Cenonian — Maestrichtian.

四方台组—明水组为白垩系上统, 相当于赛诺—梅斯特利克蒂阶(Senonian—Maestrichtian).

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As fossil evidences show, the fossil of taxus were found in the upper Cretaceous period.

根据化石研究表明, 红豆杉科的化石发现于上白垩世.

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