Pteridospermatophyta

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Pteridospermatophyta
Scientific classification
Domain: Eukaryota Kingdom: Plantae Division: Pteridospermatophyta

Pteridospermatophyta, also called seed ferns, is an extinct gymnosperm division of the Plantae kingdom. Members of this division were predominant at the late Devonian. For now, the Pteridospermatophyta have not acquired a clear position in the botanical systematic yet.

Orders

• Glossopteridales

See also

• Glossopteris, Spermatophyte

External links

• Seed fern paleontology (http://taggart.glg.msu.edu/bot335/sfern.htm)
• Seed ferns (http://www.uni-muenster.de/GeoPalaeontologie/Palaeo/Palbot/seite9.html)

Wikipedia (http://en.wikipedia.org/wiki/Main_Page) Pteridospermatophyta (http://en.wikipedia.org/wiki/Pteridospermatophyta) version history (http://en.wikipedia.org/w/index.php?title=Pteridospermatophyta&action=history) GNU Free Documentation Lizenz (http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License) CC-by-sa (http://creativecommons.org/licenses/by-sa/2.5/)

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