Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 2024 Kingdom Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024 Phylum Cyanobacteriota Oren et al. 2022 Class Vampirovibrionophyceae corrig. Strunecký and Mareš 2023 Order Vampirovibrionalesᵀ Chuvochina et al. 2024 [monotypic] Family Vampirovibrionaceaeᵀ Chuvochina et al. 2024 [monotypic] Genus Vampirovibrioᵀ Gromov and Mamkayeva 1980 [monotypic] 1 Vampirovibrio chlorellavorusᵀ (ex Gromov and Mamkayeva 1972) Gromov and Mamkayeva 1980