Fossils found in Gabon moved back the date of early life by an amazing amount:
The discovery in Gabon of more than 250 fossils in an excellent state of conservation has provided proof, for the first time, of the existence of multicellular organisms 2.1 billion years ago. This finding represents a major breakthrough: until now, the first complex life forms (made up of several cells) dated from around 600 million years ago.


No, no, no, David. You’ve been reading the wrong book. The earth is only 6000 years old, don’t you remember?