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2023-01-05
中国发现地球最古老原始动物化石
由中国科学院南京地质古生物研究所牵头的一个课题组9日报告说,新发现的一枚米粒大小的化石显示,至少6亿年前地球上已出现原始动物。这是迄今全球发现最早且可信的原始动物实体化石。由南京地质古生物研究所研究员朱茂炎领衔的课题组当天在美国《国家科学院...
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