Pang-bô͘:Taxonomy/Progymnospermopsida

Ancestral taxa
Unrecognized taxon (fix):	Polysporangiophyta
Division:	Tracheophytes  [Taxonomy; edit]
Kong:	†Progymnospermopsida  [Taxonomy; edit]

Wikipedia does not yet have an article about Progymnosperm. You can help by creating it. The page that you are currently viewing contains information about Progymnosperm's taxonomy. Not sure why you're here? Get started with Wikipedia taxonomy.

Parent:	Tracheophyta/Division [Taxonomy; edit]
Rank:	classis (displays as Kong)
Link:	†Progymnosperm|Progymnospermopsida(links to Progymnosperm)
Extinct:	yes
Always displayed:	yes (major rank)
Taxonomic references:	–
Parent's taxonomic references:	Authority: Sinnott (1935) ex Cavalier-Smith (1998) Sinnott, E.W. (1935), Botany: Principles and Problems (3rd pán.), New York: McGraw-Hill, OCLC 610937719  Cavalier-Smith, T. (1998), "A revised six-kingdom system of life", Biol. Rev. Cambridge Philos. Soc., 73: 203–266, doi:10.1111/j.1469-185X.1998.tb00030.x, PMID 9809012