Stramenopile

Heterokonts
Pacific rockweed, Fucus distichus, in Olympic National Park
Scientific classification
Domain:
Eukarya
Kingdom:
Chromalveolata
Phylum:
Heterokontophyta
Typical classes
  • Colored groups (alga-like)
    • Actihrysophyceae (axodines)
    • Bacillariophyceae (diatoms)
    • Bolidophyceae
    • Chrysophyceae (golden algae)
    • Eustigmatophyceae
    • Pelagophyceae
    • Phaeophyceae (brown algae)
    • Phaeothamniophyceae
    • Raphidophyceae
    • Synurophyceae
    • Xanthophyceae (yellow-green algae)
  • Colorless groups (fungus-like)
    • Bicosoecea
    • Hyphochytridiomycetes
    • Labyrinthulomycetes (slime nets)
    • Oomycetes (water moulds)
    • Opalinea
    • Proteromonadea
    • Blastocystis

The heterokonts or stramenopiles are a major line of eukaryotes with more than 100,000 known species,[1] most of them diatoms.[2]

Heterokonts are mostly algae. In one stage of their life cycle they have two unequal flagella. They include both single-celled types and brown algae (seaweeds such as kelp and Sargassum). They are members of the Kingdom Chromalveolata.


Phylogeny

Stramenopiles


Platysulcidae Shiratori, Nkayama & Ishida 2015




Sagenista

Eogyrea



Labyrinthulea






Bikosea Cavalier-Smith 2013



Placidozoa

Placididea Moriya, Nakayama & Inouye 2002




Nanomonadea Cavalier-Smith 2013




Opalomonadea Cavalier-Smith 2013


Opalinata

Blastocystea Zierdt et al. 1967



Opalinea Wenyon 1926 emend. Cavalier-Smith 1993






Gyrista

Bigyromonadea Cavalier-Smith 1998




Oomycota Arx 1967




Hyphochytriomycota Whittaker 1969




Pirsoniales Cavalier-Smith 1998


Ochrophyta
Khakista

Bolidophyceae Guillou & Chretiennot-Dinet 1999



Bacillariophyceae Haeckel 1878



Phaeista
Hypogyristea

Dictyochophyceae Silva 1980 s.l.


Chrysista

Eustigmista

Pinguiophyceae Kawachi et al. 2002



Eustigmatophyceae Hibberd & Leedale 1971





Phagochrysia

Picophagea Cavalier-Smith 2006




Leukarachnion Geitler 1942



Chrysophyceae Pascher 1914




Xanthophytina
Raphidoistia

Raphidophyceae s.l.


Fucistia

Phaeophyceae (brown seaweeds) Hansgirg 1886




Chrysomerophyceae Cavalier-Smith 1995




Phaeothamniophyceae Andersen & Bailey 1998 s.l.



Xanthophyceae (yellow-green algae) Allorge 1930 emend. Fritsch 1935




















References

  1. ↑ "stramenopiles". Retrieved 2009-03-08.
  2. ↑ Hoek, C. van den; D.G. Mann and H.M. Jahns (1995). Algae: An Introduction to Phycology. Cambridge: Cambridge University Press. pp. 104, 124, 134, 166. ISBN 0-521-31687-1.
Wikispecies has information on: Heterokonta.
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