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瓮安生物群
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瓮安生物群
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Weng'an biota
瓮安生物群
发现于中国贵州瓮安一带,距今6.3亿~6.1亿年的多门类、种类丰富、类型多样的海洋生物群。以动物胚胎、多细胞藻类和大型带刺疑源类等化石为主,化石个体通常不足200微米。
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