Deep TimeLife & Evolution Late Devonian extinction 372 million years agoNotable A series of ocean crises, linked to low oxygen and climate swings, wiped out most reef builders and many fish groups. It reshaped marine life just as vertebrates moved onto land. ▲ MattersSaveShareTrace roots Longest chain: The Big Bang → First stars ignite → Supernovae seed heavy elements → The Sun forms → Earth forms → First oceans → First life → Photosynthesis evolves → Great Oxidation Event → Complex cells (eukaryotes) → Multicellular life → Plants colonize land → First forests → Late Devonian extinction Community notesLoading notes… Learn more ranked by votesBookPeter BrannenThe Ends of the World ↗Editor's pickVideoSearch on YouTubeLate Devonian mass extinction explained ↗Editor's pick