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- Psilophytopsida abstract "Psilophytopsida is a now obsolete class containing one order, Psilophytales, which was previously used to classify a number of extinct plants which are now placed elsewhere. The class was established in 1917, under the name Psilophyta, with only three genera (Rhynia, Horneophyton and Psilophyton) for a group of fossil plants from the Upper Silurian and Devonian periods which lack true roots and leaves, but have a vascular system within a branching cylindrical stem. The living Psilotaceae, the whisk-ferns, were sometimes added to the class, which was then usually called Psilopsida. This classification is no longer in use.The class should not be confused with the current use of the name Psilotopsida, which refers to a class of living ferns, containing only Psilotaceae (whisk-ferns) and Ophioglossaceae (moon-worts and adder's-tongue ferns).".
- Psilophytopsida wikiPageID "30643055".
- Psilophytopsida wikiPageLength "6243".
- Psilophytopsida wikiPageOutDegree "31".
- Psilophytopsida wikiPageRevisionID "679566980".
- Psilophytopsida wikiPageWikiLink Asteroxylon.
- Psilophytopsida wikiPageWikiLink Category:Historically_recognized_plant_taxa.
- Psilophytopsida wikiPageWikiLink Category:Prehistoric_plants.
- Psilophytopsida wikiPageWikiLink Circulatory_system.
- Psilophytopsida wikiPageWikiLink Class_(biology).
- Psilophytopsida wikiPageWikiLink Cooksonia.
- Psilophytopsida wikiPageWikiLink Devonian.
- Psilophytopsida wikiPageWikiLink Drepanophycales.
- Psilophytopsida wikiPageWikiLink Euphyllophytina.
- Psilophytopsida wikiPageWikiLink Fossil.
- Psilophytopsida wikiPageWikiLink Horneophyton.
- Psilophytopsida wikiPageWikiLink Horneophytopsida.
- Psilophytopsida wikiPageWikiLink Leaf.
- Psilophytopsida wikiPageWikiLink Monophyly.
- Psilophytopsida wikiPageWikiLink Order_(biology).
- Psilophytopsida wikiPageWikiLink Paraphyly.
- Psilophytopsida wikiPageWikiLink Psilophyton.
- Psilophytopsida wikiPageWikiLink Psilotopsida.
- Psilophytopsida wikiPageWikiLink Psilotum.
- Psilophytopsida wikiPageWikiLink Rhynia.
- Psilophytopsida wikiPageWikiLink Rhynie_chert.
- Psilophytopsida wikiPageWikiLink Rhyniopsida.
- Psilophytopsida wikiPageWikiLink Root.
- Psilophytopsida wikiPageWikiLink Silurian.
- Psilophytopsida wikiPageWikiLink Symplesiomorphy.
- Psilophytopsida wikiPageWikiLink Vascular_plant.
- Psilophytopsida wikiPageWikiLink Vascular_tissue.
- Psilophytopsida wikiPageWikiLink Yarravia.
- Psilophytopsida wikiPageWikiLink Zosterophyllopsida.
- Psilophytopsida wikiPageWikiLink Zosterophyllum.
- Psilophytopsida wikiPageWikiLinkText "Psilophyta".
- Psilophytopsida wikiPageWikiLinkText "Psilophytopsida".
- Psilophytopsida wikiPageUsesTemplate Template:Reflist.
- Psilophytopsida wikiPageUsesTemplate Template:See_also.
- Psilophytopsida subject Category:Historically_recognized_plant_taxa.
- Psilophytopsida subject Category:Prehistoric_plants.
- Psilophytopsida type Thing.
- Psilophytopsida comment "Psilophytopsida is a now obsolete class containing one order, Psilophytales, which was previously used to classify a number of extinct plants which are now placed elsewhere. The class was established in 1917, under the name Psilophyta, with only three genera (Rhynia, Horneophyton and Psilophyton) for a group of fossil plants from the Upper Silurian and Devonian periods which lack true roots and leaves, but have a vascular system within a branching cylindrical stem.".
- Psilophytopsida label "Psilophytopsida".
- Psilophytopsida seeAlso Polysporangiophyte.
- Psilophytopsida sameAs Q17147573.
- Psilophytopsida sameAs Psilofitkimilər_sinfi.
- Psilophytopsida sameAs m.016_my.
- Psilophytopsida sameAs Q17147573.
- Psilophytopsida wasDerivedFrom Psilophytopsida?oldid=679566980.
- Psilophytopsida isPrimaryTopicOf Psilophytopsida.