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
         1 Genus Aerosakkonema Nanda Kyaw Thu & Watanabe (2012) see Genus Aerosakkonema Thu and Watanabe 2012
         2 Genus Potamosiphon McGregor & Sendall (2019) see Genus Potamosiphon McGregor and Sendall 2019
         3 Genus Microseira G.B.McGregor & B.C.Sendall (2014) see Genus Microseira McGregor and Sendall 2014
         4 Genus Cephalothrix C.F.S.Malone, Rigonato, Laugh., Schmidt, Bouzon, Wilmotte, Fiore & Sant'Anna (2015) see Genus Cephalothrix Malone et al. 2015