Chroococcales

Chroococcales
Microcystis aeruginosa
Scientific classification
Domain: Bacteria
Kingdom: Bacillati
Phylum: Cyanobacteria
Class: Cyanophyceae
Order: Chroococcales
von Wettstein von Westerheim
Families

The Chroococcales (/ˌkrəˌkɒˈklz/) are an order of cyanobacteria in some classifications which includes the harmful algal bloom Microcystis aeruginosa. Molecular data indicate that Chroococcales may be polyphyletic, meaning its members may not all belong to the same clade or have the same common ancestor.