Oldest Known Fossil-Microorganisms

STORY

Oldest Known Fossil-Microorganisms

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By Michael Alan Prestwood

Sun 12 Sep 2021

Published 5 years ago.

Updated 6 months ago.

Oldest Known Fossil-Microorganisms

3.42 Billion BCE

3.42 to 3.7 Billion BCE

The earliest known life on Earth are fossilized microorganisms found in hydrothermal vent precipitates. Currently dated to about 3.42 billion BCE. These microorganisms were prokaryote cells. Single celled organisms with no nucleus and had early simple DNA. More complex DNA in a nucleus evolved about 1.5 billion years later in Eukaryotic cells, circa 2 billion BCE.

Domain: Bacteria or Archaea > Kingdom: Various

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Michael Alan Prestwood
Natural Philosopher & Author

Prestwood explores science-first philosophy, with particular attention to the convergence of disciplines. Drawing on his TST Philosophy, his work emphasizes rational inquiry grounded in empirical observation while engaging questions at the edges of established knowledge. With TouchstoneTruth positioned as a living touchstone, this work aims to contribute reliable, evolving analysis in an emerging AI era where the credibility of information is increasingly contested.