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Stramenopile

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Heterokonts
Pacific rockweed, Fucus distichus, in Olympic National Park
Scientific classification
Domain:
Kingdom:
Phylum:
Heterokontophyta
Typical classes

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

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Stramenopiles

Platysulcidae Shiratori, Nkayama & Ishida 2015

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

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  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.