Confirmed!"It" is the most primitive vertebrate →
Author:Guangming Daily Time:2022.07.08
Recently, Chinese scientists have found that Yunnan worms produced by the Cambrian Ji Chengjiang animal group 518 billion years ago have its "eloquent bow" with the unique cell cartilage structure of vertebrates, which confirms that Yunnan worms are the most primitive of vertebrates. Class group. The result was published today (July 8) in the international academic journal "Science".
The study was completed by the research team of "Early Early Evolution of Life System" led by Researcher Zhu Maoyan Researcher Zhu Maoyan Institute of the Institute of Geology of the Chinese Academy of Sciences and Professor Jiang Baoyu of the School of Earth Science and Engineering of Nanjing University. They used a variety of modern experimental technical means such as three -dimensional X -ray faults to scan microscope, Fourier infrared spectrum, Raman spectrum, scanning electron microscope, and transmitted electron microscope to crack this mystery from a micro anatomy structure.
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Source: CCTV News
Responsible editor: Zhang Yongqun
Edit: Zhang Xueyu Zhu Xiaofan
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