The ancient worm fossils were discovered in southern China, one of them featuring a “mortichnia,” or trail it produced immediately before dying.
Read more here:: 'Death march' of 550 million-year-old worm discovered in China
The ancient worm fossils were discovered in southern China, one of them featuring a “mortichnia,” or trail it produced immediately before dying.
Read more here:: 'Death march' of 550 million-year-old worm discovered in China