The Nanjing Institute of Geology and Paleontology of the Chinese Academy of Sciences (CAS) has announced the discovery of a series of embryo fossils dating back 610 million years ago in Long’an, southwest China’s Guizhou Province.
“The discoveries, made by scientists at the institute in cooperation with British, Swedish and Swiss scientists, are believed to be the oldest embryonic fossils to be discovered,” said Nan Zengjun, an official with the Nanjing Institute, in remarks published on Friday.
Caveasphaera is found in the form of a ball with a diameter less than one mm, and is fully preserved as a multicellular structure.
“More than 100 pieces of stone tools and embryo fossils were discovered in a larger cave”
The researchers used three-dimensional imaging technology to reconstruct the structure of hundreds of fossil samples. The results showed that its evolutionary process is similar to the evolutionary process of unicellular relatives of animals but is also more complex.
Fossils discovered record a key stage in the development of animals from monocytes to multiple cells, and the stage lays the biological basis for the emergence of animals with distinctive cells and tissues in real.
“Caveasphaera found in the form of a ball with a diameter less than one mm”
In a separate context, the cultural heritage protection authorities of north China’s Tianjin Municipality announced the discovery of more than 200 artifacts at a cave site dating back to the Stone Age.
More than 100 pieces of stone tools and animal structures were discovered in a larger cave, while others were discovered in a smaller cave, said Sheng Li Shuang, deputy director of the Tianjin Center for Cultural Heritage Protection, noting that stone tools including flint stones, blades and scrapers were sent. Drilled to specialized institutes for further examination.