EPISODE · Jun 26, 2026 · 3 MIN
寒武纪的“悬疑剧”大结局:苔藓动物实名认证
from 天方烨谈
苔藓动物何时起源?这个困扰学界近百年的谜题,如今找到了答案。《自然》以长文形式在线发表了我国科研团队的一项重要发现,他们在陕西汉中约5.18亿年前的寒武纪早期地层中,找到一批完好的微型苔藓动物化石。这些化石同时保存了矿化骨骼和原位软组织,将这类动物的可靠化石记录从约4.8亿年前的奥陶纪,一下子推到了寒武纪早期,向前跨越了约5000万年,确凿证实了苔藓动物的寒武纪起源。
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寒武纪的“悬疑剧”大结局:苔藓动物实名认证
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