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 Nostocales Borzì (1914) see Order Nostocales corrig. Borzì 1914
       Family Nodulariaceae Elenkin (1916) see Family Nodulariaceae Elenkin 1916
         Genus Anabaenopsis V.V.Mill. (1923) see Genus Anabaenopsis Miller 1923