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Chlorococcales composite.jpg
Scientific classification
Domain: Eukaryota
Kingdom: Plantae
Division: Chlorophyta
Class: Chlorophyceae
Order: Chlorococcales
Pascher, 1915

See text.

Chlorococcales is an order of green algae in the class Chlorophyceae. Individual specimens are sometimes found in soil, but mostly in fresh and marine waters. The order contains approximately 780 species.[1]

Conventionally, many groups of coccoid green algae were lumped in the order Chlorococcales sensu lato by Komárek & Fott (1983), based on Pascher's (1918) idea of establishing orders according to life forms. However, coccoid green algae are currently placed in several orders of Chlorophyceae, Trebouxiophyceae, Ulvophyceae (e.g., Chlorocystis) and Prasinophyceae within the division Chlorophyta, or in the division Charophyta (e.g., Chlorokybales, Desmidiales).[2]


According to Algaebase (2007):[1]

According to Komárek & Fott (1983):[3]

According to Smith (1938):


  1. ^ a b c "Order: Chlorococcales Taxonomy Browser". AlgaeBase version 4.2. Retrieved 2007-09-22. 
  2. ^ Krienitz, L. & C. Bock 2012. Present state of the systematics of planktonic coccoid green algae of inland waters. Hydrobiologia 698(1):295-326.
  3. ^


  • Komarék, J.; Fott, B. 1983. Chlorophyceae (Grünalgen), Ordnung: Chlorococcales, In: Huber-Pestalozzi, G., (Ed), Das Phytoplankton des Susswasers; Systematik und Biologie. Stuttgart, E. Schweizerbart’sche Verlagsbuchhhandlung, Bd 7, fasc. 1, 1044p.