The Devonian extinction was not one sudden blow, but a long crisis across millions of years. Many marine species disappeared as oceans became oxygen-poor. The exact cause remains debated, but likely stressors include nutrient runoff, algal blooms, climate shifts, and widespread ocean anoxia.
STORY
Oceans Lose Their Breath
By Michael Alan Prestwood
Mon 13 Apr 2026
Published 2 months ago.
Updated 4 weeks ago.
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Oceans Lose Their Breath
~372–359 Million Years Ago
Cause: Ocean Anoxia
- < 1 minute read
— map / TST —
Prestwood writes on science-first philosophy, with particular attention to the convergence of disciplines. Drawing on his TST Framework, 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.
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