Phylum Cyanobacteria Garcia-Pichel et al. (2020) see Phylum Cyanobacteriota Oren et al. 2022 Class Cyanophyceae Hauck (1885) see Class Chroococcophyceae Hollerbach et al. 1953 [Order Aegeococcocales Strunecký & Mareš (2023), orth. inval.] see Order Aegeococcales Strunecký & Mareš (2023)