If I’ve read this right, ferns took over the world about 250 Myrs ago.

If I’ve read this right, ferns took over the world about 250 Myrs ago.

Originally shared by Phys.org

Previously unknown global ecological disaster discovered – There have been several mass extinctions in the history of the earth with adverse consequences for the environment. Researchers from the University of Zurich have now uncovered another disaster that took place around 250 million years ago and completely changed the prevalent vegetation during the Lower Triassic.

http://ow.ly/HKu0501QQR7

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