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 Nodosilineales Strunecký & Mareš (2023) see Order Nodosilineales Strunecký and Mareš 2023 Family Nodosilineaceae Strunecký & Mareš (2023) see Family Nodosilineaceae Strunecký and Mareš 2023 Genus Halomicronema Abed, Garcia-Pichel & Hernández-Mariné (2002) see Genus Halomicronema Abed et al. 2002