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2021-10-29 00:09
The journal Nature recently published the latest results of the early life research team of Northwest University, announcing the discovery of the earliest known fossil of bryozoan (bryophyte) on earth in Zhenba County, shaanxi province.
The research team of Northwest University discovered millimeter-sized microites in the bio-clastic limestone of the Xi artemisia section of the Xiaoyangba Cross-sectional Light shadow formation in Zhenba County through acid etching experiments. After the preliminary research of the research group and the collaborative research of international scholars, it is believed that these microchemical stones are the earliest fossils of mosses on the earth, revealing the Cambrian origin of this category. This new discovery pushes the origins of mosses forward by at least 50 million years.
This discovery also further supports the "three-act Cambrian explosion" hypothesis proposed by the team of academician Shu Degan, and perfects the construction process of the Cambrian Earth animal tree that lasted for 40 million years.
(Editor: Zhang Sihan)
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