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 edit
Kingdom:Chromista
Infrakingdom:Heterokonta
Phylum:Ochrophyta
Cavalier-Smith, 1995[1]
Classes
Synonyms

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)

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