The Rhynie Chert - a palaeoenvironment reconstruction, credit Matt Humpage
Artist's impression of what the environment at Rhynie, Aberdeenshire, where the prototaxites fossils were discovered, would have looked like 410 million years ago
Artist's impression of what the environment at Rhynie, Aberdeenshire, where the prototaxites fossils were discovered, would have looked like 410 million years ago