On July 30, according to "Central News Agency", researchers discovered deep sea sponge fossils in the mountains of northwestern Canada, nearly 900 million years ago.

If the inference is correct, these fossils will push the origin of the earth’s animals forward by about 300 million years.

The picture shows the mountainous area where sponge fossils were found.


Release time: 2021-07-30 17:58:37 【Editor: Li Jun】