"Four-legged animals first moved onto land about 375 million years ago, during the Devonian period."
That was a mistake.
https://www.cbc.ca/news/science/tyrannoroter-fossil-herbivore-9.7094046?cmp=rss
Let's go back to the best fossils and really look and think about what we are seeing and what it could mean with this organism.
Scientists may have discovered a new extinct form of life https://phys.org/news/2026-01-scientists-extinct-life.html
Prototaxites fossils are structurally and chemically distinct from extinct and extant Fungi https://www.science.org/doi/10.1126/sciadv.aec6277
"#Prototaxites was the 1st giant organism on the terrestrial surface, represented by #fossils of up to 8m from the #Devonian... fossils of P. taiti were chemically distinct from contemporaneous #Fungi, structurally distinct from all known Fungi. This casts doubt upon its fungal affinity"