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 Gloeobacterales Caval.-Sm. (2002), nom. inval. see Order Gloeobacterales Cavalier-Smith 2002 nom. inval., nom. rej. Family Anthocerotibacteraceae Strunecký & Mareš (2023) [monotypic] see Family Anthocerotibacteraceae Strunecký and Mareš 2023 Genus Anthocerotibacter Fay W.Li (2021) see Genus Anthocerotibacter Li 2021