Dictyochophyceae
Dictyocha speculum
Scientific classification
Domain:	Eukaryota
Clade:	Diaphoretickes
Clade:	SAR
Clade:	Stramenopiles
Phylum:	Gyrista
Subphylum:	Ochrophytina
Superclass:	Hypogyrista
Class:	Dictyochophyceae P.C.Silva
Order
Olisthodiscales Sulcochrysidales Pelagomonadales Sarcinochrysidales Dictyochales Florenciellales Pedinellales Rhizochromulinales
Synonyms
Hypogyristea Cavalier-Smith 2006 incl. Pelagophyceae Andersen & Saunders 1993 Actinodinea Mikrjukov, 2001 Pedinellea Cavalier-Smith 1986 Pedinellophyceae Kristiansen 1986

Dictyochophyceae sensu lato is a photosynthetic lineage of heterokont algae.^[1][2]

Taxonomy

• Class Dictyochophyceae Silva 1980 s.l.^[3][4]
  • Subclass Sulcophycidae Cavalier-Smith 2013
    • Order Olisthodiscales Cavalier-Smith 2013
      • Family Olisthodiscaceae Cavalier-Smith 2013
    • Order Sulcochrysidales Cavalier-Smith 2013
      • Family Sulcochrysidaceae Cavalier-Smith 2013
  • Subclass Alophycidae Cavalier-Smith 2006 [Dictyochia Haeckel 1894 sensu Cavalier-Smith 1993]
    • Infraclass Pelagophycia Andersen & Saunders 1993 emend. 1995 stat. nov. [Pelagophyceae Andersen & Saunders 1993]
      • Order Pelagomonadales Andersen & Saunders 1993
        • Family Pelagomonadaceae Andersen & Saunders 1993
      • Order Sarcinochrysidales Gayral & Billard 1977
        • Family Sarcinochrysidaceae Gayral & Billard 1977
    • Infraclass Actinochrysia Cavalier-Smith 1995 stat. nov. 2006 (Axodines Patterson, 1994; Actinochrysea Cavalier-Smith 1995; Actinochrysophyceae Cavalier-Smith 1995; Dictyochophyceae Silva 1980 emend. Moestrup, 1995]
      • Superorder Silicoflagellata Borgert 1890 sensu Lemmermann, 1901 emend. Moestrup 1995 [Silicophycidae Rothmaler 1951; Silicoflagellida; Silicomastigota; Dictyochidae Haeckel 1894; Dictyochophycidae; Dictyochea; Dictyochophyceae Silva 1980 s.s.]
        • Order Florenciellales Eikrem, Edvardsen & Throndsen 2007
          • Family Florenciellaceae
        • Order Dictyochales Haeckel 1894
          • Family Dictyochaceae Lemmermann 1901
      • Superorder Abodines Patterson 2001 [Abaxodinae Mikrjukov 2001; Pedinellidae Cavalier-Smith 1986]
        • Order Rhizochromulinales O’Kelly & Wujek 1994
          • Family Rhizochromulinaceae O’Kelly & Wujek 1994
        • Order Pedinellales Zimmermann, Moestrup & Hällfors 1984 [Actinomonadineae Cavalier-Smith 2006; Ciliophryineae Febvre-Chevalier ex Cavalier-Smith 2006]
          • Family Cyrtophoraceae Pascher 1911
          • Family Pedinellaceae Pascher 1910 [Actinomonadaceae Kent 1880; Ciliophryidae Poche, 1913]