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 Bacillotaᵀ Gibbons and Murray 2021
                 01 Genus Caecibacterium Oren et al. 2019, incertae sedis
                 02 Genus Caldinitratiruptor Fardeau et al. 2025, incertae sedis
                 03 Genus Capillibacterium Ungkulpasvich et al. 2021, incertae sedis
                 04 Genus Negativibacillus Valles et al. 2021, incertae sedis
                 05 Genus "Acidibacillus" Holanda et al. 2015 nom. inval., incertae sedis
                 06 Genus "Colidextribacter" Ricaboni et al. 2017 nom. inval., incertae sedis
                 07 Genus "Desulfosporomusa" Sass et al. 2004 nom. inval., incertae sedis
                 08 Genus "Massilistercora" Tall et al. 2020 nom. inval., incertae sedis
                 09 Genus "Ndongobacter" Brahimi et al. 2017 nom. inval., incertae sedis
                 10 Genus "Trigonala" Zhang et al. 2016 nom. inval., incertae sedis
                 11 Genus "Candidatus Avidehalobacter" Gilroy et al. 2022, incertae sedis
                 12 Genus "Candidatus Carbonibacillus" corrig. Kadnikov et al. 2020, incertae sedis
                 13 Genus "Candidatus Desulfobacillus" Okubo et al. 2022, incertae sedis
                 14 Genus "Candidatus Ferrisolea" corrig. Pfleiderer et al. 2020, incertae sedis
                 15 Genus "Candidatus Heliomonas" Asao et al. 2020, incertae sedis
                 16 Genus "Candidatus Fiminaster" Gilroy et al. 2022 nom. pro-inval., incertae sedis
                 17 Genus "Candidatus Stoquefichus" Pfleiderer et al. 2013 nom. pro-inval., incertae sedis
                 18 Family "Beduinellaceae" Traore et al. 2016 nom. inval., incertae sedis [monotypic]
                 19 Order "Candidatus Borkfalkiales" Hildebrand et al. 2022, incertae sedis [monotypic]
                 20 Class Bacilliᵀ Ludwig et al. 2010
                 21 Class Clostridia Rainey 2010
                 22 Class Culicoidibacteria Neupane et al. 2020 [monotypic]
                 23 Class Erysipelotrichia Ludwig et al. 2010 [monotypic]
                 24 Class Limnochordia Watanabe et al. 2015 [monotypic]
                 25 Class Negativicutes Marchandin et al. 2010
                 26 Class Syntrophomonadia Chuvochina et al. 2024
                 27 Class Thermaerobacteria Chuvochina et al. 2024 [monotypic]
                 28 Class Thermolithobacteria Sokolova et al. 2007 [monotypic]
                 29 Class "Candidatus Fermentithermobacillia" Kadnikov et al. 2023 nom. pro-inval. [monotypic]