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Superregnum: Eukaryota
Kingdom: Chromista
Phylum: Ochrophyta


Ochrophyta Cavalier-Smith, 1995

  • Synonyms
    • Heterokontophyta van den Hoek et al., 1978
    • Ochrista Cavalier-Smith, 1986
    • Stramenochromes Leipe et al., 1994 [or Patterson in Leipe et al., 1994? or Patterson, 1994?]

Alternative classifications[edit]

Cavalier-Smith (1986)[edit]

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, [1].

Kingdom Chromista

  • Subkingdom Cryptophyta
    • Phylum Cryptophyta
  • Subkingdom Chromophyta
    • Phylum Heterokonta
      • Subphylum Ochrista
        • Class Synuraceae
        • Class Xanthophyceae
        • Class Chrysophyceae
        • Class Phaeophyceae
        • Class Bicosoecea
        • Class Eustigmatophyceae
      • Subphylum Pseudofungi (= Heterkontimycotina)
        • Superclass Pythiista
          • Class Oomycetes
          • Class Hyphochytrea
        • Superclass Labyrinthista
          • Class Labyrinthulea
            • Order Thraustochytriales
            • Order Labyrinthulales
    • Phylum Haptophyta

Cavalier-Smith (1993)[edit]

From Kingdom Protozoa and its 18 phyla

In Phylum Heterokonta
Subphylum Ochrista Cavalier-Smith, 1986

Cavalier-Smith (1998)[edit]

From A revised six-kingdom system of life

In Kingdom Chromista, Subkingdom Chromobionta, Infrakingdom Heterokonta, Superphylum Gyrista
Phylum Ochrophyta Cavalier-smith 1986

David J. Patterson (1999)[edit]

From The Diversity of Eukaryotes, (PDF)


Ruggiero et al. (2015)[edit]

Ruggiero, M.A., Gordon, D.P., Orrell, T.M., Bailly, N., Bourgoin, T., Brusca, R.C., Cavalier-Smith, T., Guiry, M. D. & Kirk, P. M. (2015). A Higher Level Classification of All Living Organisms. PLoS ONE 10(4): e0119248, [2].


  • Cavalier-Smith, T. (1995). Zooflagellate phylogeny and classification. Cytology, 37, 1010–1029.
  • Leipe, D. D, P. O. Wainright, J. H. Gunderson, D. Porter, D. J. Patterson, F. Valois, S. Himmerich, and M. L. Sogin. 1994. The stramenopiles from a molecular perspective: small subunit rDNA sequences from Labyrinthuloides minuta and Cafeteria roenbergensis. Phycologia 33:369–377.
  • Patterson, D.J. (1994). Protozoa: evolution and systematics. Pages 1–14 in K. Hausmann and N. Hülsmann, eds. Progress in protozoology. Proceedings of the Ninth International Congress of Protozoology. Fischer, Stuttgart, [3].