Dictyochales

Silicoflagellates
Temporal range:
Dictyocha speculum
Scientific classification
Domain: Eukaryota
Clade: Sar
Clade: Stramenopiles
Division: Ochrophyta
Class: Dictyochophyceae
Order: Dictyochales
Haeckel, 1894
Family: Dictyochaceae
Lemmermann, 1901
Genera
Synonyms
  • Silicoflagellata Borgert, 1890
  • Dictyochida Borgert, 1891

The silicoflagellates (order Dictyochales) are a small group of unicellular photosynthetic protists, or algae, belonging to the supergroup of eukaryotes known as Stramenopiles. They behave as phytoplankton and are present in oceanic waters. They are well known from harmful algal blooms that cause high mortality of fish. Additionally, they compose a rich fossil record represented by their silica skeletons.