Euphyllophyte: Difference between revisions
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| divisio = [[Tracheophyta]] |
| divisio = [[Tracheophyta]] |
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| subdivisio = '''Euphyllophytina''' <small>(but see text)</small> |
| subdivisio = '''Euphyllophytina''' <small>(but see text)</small> |
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| synonyms = |
| synonyms = Euphyllophytes |
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Euphyllophytes |
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'''Euphyllophytina''', the '''euphyllophytes''', is a taxon – sometimes unranked, sometimes placed at the informal rank of subdivision – within the [[Vascular plant|tracheophytes]]. It is sister to subdivision [[Lycopodiophyta]]. Euphyllophytina contains the two groups [[Spermatophytes]] (seed plants) and [[Fern|Monilophytes]] (ferns), as well as a number of extinct fossil taxa. The division of the extant tracheophytes into three monophyletic lineages is supported in multiple molecular studies.<ref>Smith, A. R., K. M. Pryer, et al. (2006). "A classification for extant ferns." Taxon 55(3): 705-731</ref><ref>Pryer, K. M., H. Schneider, et al. (2001). "Horsetails and ferns are a monophyletic group and the closest living relatives to seed plants." Nature 409(6820): 618-22</ref><ref>Pryer, K. M., E. Schuettpelz, et al. (2004). Phylogeny and evolution of ferns (monilophytes) with a focus on the early leptosporangiate divergences 1, Botanical Soc America. 91: 1582-1598</ref> |
'''Euphyllophytina''', the '''euphyllophytes''', is a taxon – sometimes unranked, sometimes placed at the informal rank of subdivision – within the [[Vascular plant|tracheophytes]]. It is sister to subdivision [[Lycopodiophyta]]. Euphyllophytina contains the two groups [[Spermatophytes]] (seed plants) and [[Fern|Monilophytes]] (ferns), as well as a number of extinct fossil taxa. The division of the extant tracheophytes into three monophyletic lineages is supported in multiple molecular studies.<ref>Smith, A. R., K. M. Pryer, et al. (2006). "A classification for extant ferns." Taxon 55(3): 705-731</ref><ref>Pryer, K. M., H. Schneider, et al. (2001). "Horsetails and ferns are a monophyletic group and the closest living relatives to seed plants." Nature 409(6820): 618-22</ref><ref>Pryer, K. M., E. Schuettpelz, et al. (2004). Phylogeny and evolution of ferns (monilophytes) with a focus on the early leptosporangiate divergences 1, Botanical Soc America. 91: 1582-1598</ref> Other researchers state that taking fossils into account leads to different conclusions, for example that the ferns are not monophyletic.<ref>{{Citation |last=Rothwell |first=G.W. |last2=Nixon |first2=K.C. |year=2006 |title=How Does the Inclusion of Fossil Data Change Our Conclusions about the Phylogenetic History of Euphyllophytes? |journal=International Journal of Plant Sciences |volume=167 |issue=3 |pages=737–749 |doi=10.1086/503298 |lastauthoramp=yes }}</ref> |
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==References== |
==References== |
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Revision as of 15:46, 26 January 2011
| Euphyllophytina | |
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| Scientific classification | |
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| Division: | |
| Subdivision: | Euphyllophytina (but see text)
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| Synonyms | |
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Euphyllophytes | |
Euphyllophytina, the euphyllophytes, is a taxon – sometimes unranked, sometimes placed at the informal rank of subdivision – within the tracheophytes. It is sister to subdivision Lycopodiophyta. Euphyllophytina contains the two groups Spermatophytes (seed plants) and Monilophytes (ferns), as well as a number of extinct fossil taxa. The division of the extant tracheophytes into three monophyletic lineages is supported in multiple molecular studies.[1][2][3] Other researchers state that taking fossils into account leads to different conclusions, for example that the ferns are not monophyletic.[4]
References
- ^ Smith, A. R., K. M. Pryer, et al. (2006). "A classification for extant ferns." Taxon 55(3): 705-731
- ^ Pryer, K. M., H. Schneider, et al. (2001). "Horsetails and ferns are a monophyletic group and the closest living relatives to seed plants." Nature 409(6820): 618-22
- ^ Pryer, K. M., E. Schuettpelz, et al. (2004). Phylogeny and evolution of ferns (monilophytes) with a focus on the early leptosporangiate divergences 1, Botanical Soc America. 91: 1582-1598
- ^ Rothwell, G.W.; Nixon, K.C. (2006), "How Does the Inclusion of Fossil Data Change Our Conclusions about the Phylogenetic History of Euphyllophytes?", International Journal of Plant Sciences, 167 (3): 737–749, doi:10.1086/503298
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