Fósseis mais antigos da Terra?

http://www.history.com/news/have-scientists-found-the-worlds-oldest-fossils

Citando:
"the world’s oldest fossils, dating back some 3.77 billion years (and possibly as far back as 4.28 billion years). The remarkable find, detailed yesterday in the journal Nature, is comprised of a series of microscopic filaments and tubes that researchers believe were formed by bacteria that thrived on iron. If proven true, the fossils would be the oldest direct link to life on Earth—but not everyone is on board with the stunning discovery."