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 Leptolyngbyales Strunecký & Mareš (2023) [paraphyletic] see Order Leptolyngbyales Strunecký and Mareš 2023 [Family Neosynechococaceae Strunecký & Mareš (2023), orth. inval.] see Family Neosynechococcaceae Strunecký & Mareš (2023)