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 Leptolyngbyaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014) [sister group to excluded taxa] see Family Leptolyngbyaceae (Anagnostidis and Komárek 1988) Komárek et al. 2014 Genus Alkalinema Vaz, Genuário, Andreote, Malone, Sant'Anna, Barbiero & Fiore (2015) see Genus Alkalinema Vaz et al. 2015