鼓山期(Drumian)是寒武紀的第六個階段,年代大約位於504.5–500.5百萬年前。
此條目或其章節極大或完全地依賴於某個單一的來源。 (2019年5月9日) |
寒武紀主要分界
-545 —
–
-540 —
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-535 —
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-530 —
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-525 —
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-520 —
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-515 —
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-510 —
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-505 —
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-500 —
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-495 —
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-490 —
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-485 —
寒武紀時間表
直軸:百萬年前
直軸:百萬年前
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物種
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參考文獻
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