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Polythecophyton

About

Polythecophyton was a genus of Early Devonian (420 to 390 million years ago) aneurophyte with branching axes, drooping, many-branched sporangia, but no trace of a vascular system. It grew to several centimetres in length, and its axes were almost a centimeter across.

Text excerpted from the Wikipedia article Polythecophyton by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.

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