Psilophyton

Psilophyton

Taxobox
name = "Psilophyton"
fossil_range = Devonian
regnum = Plantae
divisio = Trimerophytophyta
classis =
ordo =
familia =
genus = "Psilophyton" †
genus_authority =
For the group, see Psilophyta.

"Psilophyton" is a fossil genus which currently contains 7 species known mostly from compression, impression and some permineralized anatomy. Most specimens come from Northern Maine, Gaspe Bay in Quebec, New Brunswick and the Czech Republic. "P. princeps", "P. forbesii", "P. dapsile", "P. charientos", "P. dawsonii", "P. microspinosum", "P. kräuselii" and "P. crenulatum" are the currently accepted members of the genus Psilophyton. Variation within the genus is significant.Fact|date=August 2007. The average specimen was 60 cm or more tall [ http://www.ucmp.berkeley.edu/IB181/VPL/Osp/Osp1.html Origin of seed plants University of California, Berkeley Accessed 2007/09/14 ]

References

ee also

* Zosterophyllophyta

External links

* [http://online.sfsu.edu/~patters/evoldivers/pdfs/progymnos1.pdf Phylogeny of Euphyllophytes]


Wikimedia Foundation. 2010.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • psilophyton — noun any plant or fossil of the genus Psilophyton • Hypernyms: ↑vascular plant, ↑tracheophyte • Member Holonyms: ↑genus Psilophyton * * * sīˈläfəˌtän noun Etymology: New Latin …   Useful english dictionary

  • psilophyton — psi·loph·y·ton …   English syllables

  • genus Psilophyton — noun type genus of the Psilophytaceae: genus of small wiry herbaceous Paleozoic plants with underground rhizomes and apical sporangia • Hypernyms: ↑fern genus • Member Holonyms: ↑Psilophytaceae, ↑family Psilophytaceae • Member Meronyms:… …   Useful english dictionary

  • PSILOPHYTES — De par leur morphologie et leur grande ancienneté géologique, les Psilophytes constituent un embranchement particulièrement archaïque au sein des Ptéridophytes. Les premières Psilophytes connues datent du Dévonien inférieur où elles se sont… …   Encyclopédie Universelle

  • Cormophyta — Gefäßpflanzen Gemeine Kiefer (Pinus sylvestris) Systematik Klassifikation: Lebewesen …   Deutsch Wikipedia

  • Euphyllophyta — Gefäßpflanzen Gemeine Kiefer (Pinus sylvestris) Systematik Klassifikation: Lebewesen …   Deutsch Wikipedia

  • Eutracheophyten — Gefäßpflanzen Gemeine Kiefer (Pinus sylvestris) Systematik Klassifikation: Lebewesen …   Deutsch Wikipedia

  • Gefässpflanze — Gefäßpflanzen Gemeine Kiefer (Pinus sylvestris) Systematik Klassifikation: Lebewesen …   Deutsch Wikipedia

  • Gefäßpflanze — Gefäßpflanzen Gemeine Kiefer (Pinus sylvestris) Systematik Klassifikation: Lebewesen …   Deutsch Wikipedia

  • Gefäßpflanzen — Gemeine Kiefer (Pinus sylvestris) Systematik Domäne: Eukaryoten (Eucaryota) ohne Rang …   Deutsch Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”