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Scienteefic clessification
Domain: Bacteria
Phylum: Cyanobacteria

The taxonomy is currently under revision[1][2]

  • Unicellular furms

Chroococcales (suborders-Chamaesiphonales an Pleurocapsales)

  • Filamentous (colonial) furms

Nostocales (= Hormogonales or Oscillatoriales)

  • True-branchin (buddin ower multiple axes)


  • Cyanophyta
  • Cyanophyceae
  • Myxophyceae
  • Phycochromophyceae
  • Schizophyceae[3]

Cyanobacteria /sˌænbækˈtɪəriə/, an aa kent as Cyanophyta, is a phylum o bacteria that obtain thair energy throu photosynthesis.[4] The name "cyanobacteria" comes frae the colour o the bacteria (Greek: κυανός (kyanós) = blue). Altho eften cried blue-green algae, that name is a misnomer as cyanobacteria are prokaryotic an algae are eukaryotic.

Bi producin oxygen as a gas as a bi-product o photosynthesis, cyanobacteria are thoucht tae hae convertit the early reducin atmosphere intae an oxidizing ane, which dramatically changed the composeetion o life furms on Yird bi stimulatin biodiversity an leadin tae the near-extinction o oxygen-intolerant organisms. Accordin tae endosymbiotic theory, the chloroplasts foond in plants an eukaryotic algae evolved frae cyanobacterial ancestors via endosymbiosis.

References[eedit | eedit soorce]

  1. "Cyanophyceae". Cyanophyceae. Access Science. Retrieved 21 April 2011. 
  2. Ahoren Oren (2004). "A proposal for further integration of the cyanobacteria under the Bacteriological Code". Int. J. Syst. Evol. Microbiol. 54 (Pt 5): 1895–1902. doi:10.1099/ijs.0.03008-0. PMID 15388760. 
  3. O. P. Sharma. Textbook of Algae
  4. brs. "Life History and Ecology of Cyanobacteria". University of California Museum of Paleontology. Retrieved 17 July 2012.