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 Gloeomargaritales Moreira, Tavera, Benzerara, Skouri-Panet, Couradeau, Gérard, Fonta, Novelo, Zivanovic & López-García (2017) [monotypic] see Order Gloeomargaritales Moreira et al. 2017
       Family Gloeomargaritaceae Moreira, Tavera, Benzerara, Skouri-Panet, Couradeau, Gérard, Fonta, Novelo, Zivanovic & López-García (2017) [monotypic] see Family Gloeomargaritaceae Moreira et al. 2017
         1 Genus Gloeomargarita Moreira, Tavera, Benzerara, Skouri-Panet, Couradeau, Gérard, Fonta, Novelo, Zivanovic & López-García (2017) see Genus Gloeomargarita Moreira et al. 2017