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Plantae — Pteridophyta
Subdivisiones: Classes[2]
* †Cladoxylopsida
- Psilotopsida
- Equisetopsida (seu Sphenopsida)
- Marattiopsida
- Polypodiopsida (seu Pteridopsida vel Filicopsida)
Pteridophyta sunt obsolescens plantarum divisio, comprehendens filices (sive monilophyta) et lycophyta, ad quam circa 20 000 specierum pertinent. Quoniam divisio monophyletica non est, hodie a pluribus biologis reiecta est; nova autem taxinomia etiamnunc disputatur.
- ↑ Wattieza, Stein, W. E., F. Mannolini, L. V. Hernick, E. Landling, and C. M. Berry. 2007. "Giant cladoxylopsid trees resolve the enigma of the Earth's earliest forest stumps at Gilboa", Nature (19 April 2007) 446:904–907.
- ↑ Smith, A.R.; Pryer, K.M.; Schuettpelz, E.; Korall, P.; Schneider, H.; Wolf, P.G. (2006). "A classification for extant ferns". Taxon 55 (3): 705–731