Trimerophytophyta
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A division of early land plant from the Devonian containing genera such as Psilophyton. The group is probably paraphyletic, and is believed to be the ancestral group from which both the ferns and seed plants evolved.

v • d • e Early land floræ Related links Evolutionary history of plants • External link directory The first...? Vascular plant, Cooksonia  • Tree, Wattieza  • Lycopods, the Drepanophycales and the Zosterophylls  • Fungus fossil, Ornatifilum  • Lichen, Spongiophyton Enigmatic taxa Cuticular remains: Cosmochlaina, Nematothallus • A giant fungus? — Prototaxites Sister taxa Green algae: Charophyta, from which land plants evolved • Chaetocladus, an early alga Help Wikipedia grow by expanding this navigational box!

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