Fungal Giants of the Devonian

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By Michael Alan Prestwood

Sun 22 Feb 2026

Published 8 months ago.

Updated 6 months ago.

Fungal Giants of the Devonian

~420 MYA (+/- 20 million)

Large upright fungal structures (e.g., Prototaxites)

Before trees towered over landscapes, giant fungus-like organisms rose several meters high. These early decomposers dominated some terrestrial ecosystems. Fungi were not merely background recyclers — they were visible pillars of early land life. These massive organisms—likely related to Prototaxites—may have stood over 6–8 meters tall. In a world still learning how to grow upward, fungi briefly held the skyline.

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Michael Alan Prestwood
Author & Natural Philosopher

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.