Ochrophyta

Ochrophyta
Dense kelp forest with understorey at Partridge Point near Dave's Caves, Cape Peninsula
Dense kelp forest with understory at Partridge Point near Dave's Caves, Cape Peninsula
Scientific classification
Kingdom:Chromista
Infrakingdom:Heterokonta
Phylum:Ochrophyta
Cavalier-Smith, 1995[1]
Classes
Synonyms
  • Heterokontophyta van den Hoek et al., 1978
  • Ochrista Cavalier-Smith, 1986[2][3]
  • Stramenochromes Leipe et al., 1994[4]

Ochrophyta is a group of mostly photosynthetic heterokonts.[5][6]

The classification of the group is still being worked out. Some authors (e.g., Cavalier-Smith) divide it into two subphyla, Phaeista Cavalier-Smith 1995 (comprising Hypogyristea and Chrysista in some classifications, or Limnista and Marista in others) and Khakista Cavalier-Smith, 2000 (comprising Bolidomonas and diatoms).[7] Others prefer not to use the subphyla, listing only lower taxa (e.g., Reviers, 2002, Guiry & Guiry, 2014).

Phylogeny

Based on the following works of Ruggiero et al. 2015 & Silar 2016.[8][9]

 

Khakista 

 

Bolidophyceae Guillou & Chretiennot-Dinet 1999

 
 

Bacillariophyceae Haeckel 1878 (Diatoms)

 
 
Phaeista 

Hypogyrista 

Dictyochophyceae Silva 1980 s.l.

 
Chrysista 

Eustigmista 

 

Pinguiophyceae Kawachi et al. 2002

 
 

Eustigmatophyceae Hibberd & Leedale 1971

 
 
 

Phagochrysia 

 

Picophagea Cavalier-Smith 2006

 
 

 

Synchromophyceae Horn & Wilhelm 2007

 
 

 

Leukarachnion Geitler 1942

 
 

Chrysophyceae Pascher 1914 (golden-brown algae)

 
 
 
 
Xanthophytina 

Raphidoistia 

Raphidophyceae s.l.

 
Fucistia 

 

Phaeophyceae Hansgirg 1886 (brown algae)

 
 

 

Chrysomerophyceae Cavalier-Smith 1995

 
 

 

Phaeothamniophyceae Andersen & Bailey 1998 s.l.

 
 

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

 
 
 
 
 
 
 
 
 

References

  1. ↑ Cavalier-Smith T (1995). "Zooflagellate phylogeny and classification". Cytology. 37: 1010–1029.
  2. ↑ Cavalier-Smith, T. (1986). The kingdom Chromista, origin and systematics. In: Round, F.E. and Chapman, D.J. (eds.). Progress in Phycological Research. 4: 309–347.
  3. ↑ Reviers, B. de. (2006). Biologia e Filogenia das Algas. Editora Artmed, Porto Alegre, p. 157.
  4. ↑ Reviers, B. de. (2006). Biologia e Filogenia das Algas. Editora Artmed, Porto Alegre, pp. 15-16.
  5. ↑ Thomas Cavalier-Smith & Ema E.-Y. Chao (2006). "Phylogeny and megasystematics of phagotrophic heterokonts (kingdom Chromista)". Journal of Molecular Evolution. 62 (4): 388–420. doi:10.1007/s00239-004-0353-8. PMID 16557340.
  6. ↑ Ingvild Riisberga; Russell J. S. Orr; Ragnhild Kluge; Kamran Shalchian-Tabrizi; Holly A. Bowers; Vishwanath Patil; Bente Edvardsen; Kjetill S. Jakobsen (2009). "Seven gene phylogeny of heterokonts". Protist. 160 (2): 191–204. doi:10.1016/j.protis.2008.11.004. PMID 19213601.
  7. ↑ "Heterokontophyta". SHIGEN. National Institute of Genetics. Retrieved June 18, 2009.
  8. ↑ Ruggiero; et al. (2015), "Higher Level Classification of All Living Organisms", PLoS ONE, 10 (4): e0119248, doi:10.1371/journal.pone.0119248, PMC 4418965, PMID 25923521
  9. ↑ Silar, Philippe (2016), "Protistes Eucaryotes: Origine, Evolution et Biologie des Microbes Eucaryotes", HAL Archives-ouvertes: 1–462


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