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 Chroococcidiopsidales Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014) [monotypic] see Order Chroococcidiopsidales Komárek et al. 2014
       Family Chroococcidiopsidaceae Geitler ex Büdel, Donner & Kauff (2012) see Family Chroococcidiopsidaceae Geitler ex Büdel et al. 2012
         ?Genus Gloeocapsa Kütz. (1843), nom. cons. see Genus Gloeocapsa Kützing 1843 nom. cons.