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 Pseudanabaenales L. Hoffm., Komárek & Kaštovský (2005), nom. inval. see Order Pseudanabaenales Hoffmann et al. 2005 nom. nud.
       [Family Pseudanabaneaceae Strunecký, Ivanova & Mareš (2023), orth. inval.] see Family Pseudanabaenaceae Anagn. & Komárek (1988)