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 Thermostichales Komárek & Strunecký (2020) [monotypic] see Order Thermostichales Komárek and Strunecký 2020 Family Thermostichaceae Komárek & Strunecký (2020) [monotypic] see Family Thermostichaceae Komárek and Strunecký 2020 Genus Thermostichus Komárek & Strunecký (2020) see Genus Thermostichus Komárek and Strunecký 2020