Cyanobacteriales

Cyanobacteriales (Cyanobacteriales) is an order comprising closely related families of organisms. It contains 28 families with 506 known species. Key family groups include Aphanizomenonaceae, Capsosiraceae, Chamaesiphonaceae, Chroococcaceae, Chroococcidiopsidaceae, and Coleofasciculaceae. Among its members, 1 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Cyanobacteriia (Cyanobacteriia).