Phylum Cyanobacteria Garcia-Pichel et al. (2020) see Phylum Cyanobacteriota Oren et al. 2022 Class Vampirovibriophyceae Strunecký & Mareš (2023), orth. inval. see Class Vampirovibrionophyceae corrig. Strunecký and Mareš 2023 1 Family Vampirovibrionaceae Chuvochina et al. (2023), nom. inval. see Family Vampirovibrionaceae Chuvochina et al. 2024