作者：发布时间：2021-11-03阅读：
Chinese paleontologists have discovered the earliest known fossils of bryozoans on Earth in Zhenba County, northwest China's Shaanxi Province, advancing the origin of bryozoans by at least 50 million years.
原文链接:http://www.news.cn/english/2021-11/03/c_1310287703.htm?bsh_bid=5648685685
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