Quantum redactiones paginae "Pteridophyta" differant

| fossil_range = {{fossil range|Mid Devonian390|0|Midr=[[Devonium]] medium > [[DevonianRecens]]<ref>''[[Wattieza]]'', Stein, W. E., F. Mannolini, L. V. Hernick, E. Landling, and C. M. Berry. 2007. [http://www.nature.com/nature/journal/v446/n7138/abs/nature05705.html "Giant cladoxylopsid trees resolve the enigma of the Earth's earliest forest stumps at Gilboa"], ''Nature'' (19 April 2007) 446:904–907.</ref>—Recent}}