Shrimp-shaped fossils 500 million years ago [The”pipi shrimp” grew like this 500 million years ago] On November 5, the British”Nature” magazine reported that a species discovered more than 500 million years ago by the Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences , An animal fossil shaped like a shrimp. Its body combined the characteristics of the giant marine predator”Odd Shrimp” and arthropods at that time. It was named”Zhang’s Kirin Shrimp”. It was a transitional species that opened the mystery of the origin of arthropods. This is another major new scientific discovery in the”Chengjiang Fauna” in Yunnan, my country, which adds empirical evidence to the theory of biological evolution.