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 Oscillatoriales Schaffner (1922) see Order Oscillatoriales Schaffner 1922 ?Family Aerosakkonemataceae Strunecký & Mareš (2023) see Family Aerosakkonemataceae Strunecký and Mareš 2023 Genus Cephalothrix C.F.S.Malone, Rigonato, Laugh., Schmidt, Bouzon, Wilmotte, Fiore & Sant'Anna (2015) see Genus Cephalothrix Malone et al. 2015