Which organisms have produced the oldest fossil evidence?

1 Answer

Fossils of Cyanobacteria of Western Australia.

Explanation:

  1. The oldest fossils have been recorded from the members of Cyanobacteria. They have an extensive fossil records on the earth.
  2. The oldest known fossils are of Cyanobacteria from Archaean rocks of Western Australia. These rocks dated 3.5 billion years old. Thank.