Evolution Timeline (James, Peter) By Good Life 35,000 BCE Cyanobacteria (3.5 Billon BCE) Oldest known bacteria - Formed structures known as Stromatolites - Capable of Photosynthesis and release Oxygen 20,000 BCE First Unicellular Eukaryotic Fossil (2 Billion BCE) 16,000 BCE First Multicellular Eukaryotic Fossil (1.6 Billion BCE) 5600 BCE First Animal Fossil Found (560 Million BCE) Dec 25, 1953 Primordial Soup Theory Aug 12, 1962 RNA World Hypothesis Aug 24, 1980 Ribosyme Discovery