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610 million-year-old embryo fossils found in Guizhou, China 

      

      
Source: Xinhua| 2019-11-29 22:55:17|Editor: huaxia

      

            
      

      

      

      

      
    

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      Earliest embryo fossils? Researchers say a small creature that lived in Guizhou, China about 610 million years ago may prove that animal-like embryos evolved before animals.
       

      

      

      
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