CAMBRIAN TO SILURIAN NON-MARINE In late Silurian time, more or less at the Ludlow/Downton (or Pridoli) boundary, about 405 million years ago ( , 1977), after the arrival of the tiny vascular plant, Cooksonia, vascular vegetation developed on land.
CITATION STYLE
Traverse, A. (2007). Cambrian to Silurian Non-Marine Palynology. In Paleopalynology (pp. 189–197). Springer Netherlands. https://doi.org/10.1007/978-1-4020-5610-9_7
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