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Oxytropidoceras posted a topic in Fossil NewsFossils from the world's oldest trees reveal complex anatomy never seen before. Intricate web of woody strands inside 374-million-year-old tree trunks point to most complicated trees to have ever grown on Earth, Cardiff University, October 23, 2017 http://www.cardiff.ac.uk/news/view/981090-worlds-oldest-and-most-complex-trees https://www.livescience.com/60746-earth-oldest-trees-had-complex-structure.html https://www.sciencedaily.com/releases/2017/10/171023182615.htm https://www.eurekalert.org/pub_releases/2017-10/caos-rpe102317.php Hong-He Xu, Christopher M. Berry, William E. Stein, Yi Wang, Peng Tang, Qiang Fu. Unique growth strategy in the Earth’s first trees revealed in silicified fossil trunks from China. Proceedings of the National Academy of Sciences, 2017; 201708241 DOI: 10.1073/pnas.1708241114 http://www.pnas.org/content/early/2017/10/18/1708241114 Yours, Paul H.