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
             Phylum Vulcanimicrobiota Yabe et al. 2024, incertae sedis
               Class Vulcanimicrobiiaᵀ Yabe et al. 2024
                 Order Vulcanimicrobialesᵀ Yabe et al. 2024 [monotypic]
                   Family Vulcanimicrobiaceaeᵀ Yabe et al. 2024
                     01 Genus Vulcanimicrobiumᵀ Yabe et al. 2023
                     02 Genus "Candidatus Aquilonibacter" Ji et al. 2022
                     03 Genus "Candidatus Baltobacter" Ward et al. 2021
                     04 Genus "Candidatus Cryoxeromicrobium" Ji et al. 2022
                     05 Genus "Candidatus Cybelea" Ji et al. 2022
                     06 Genus "Candidatus Elarobacter" Ji et al. 2022
                     07 Genus "Candidatus Erobacter" corrig. Ji et al. 2022
                     08 Genus "Candidatus Hemerobacter" Ji et al. 2022
                     09 Genus "Candidatus Hesperobacter" Ji et al. 2022
                     10 Genus "Candidatus Lustribacter" Ji et al. 2022
                     11 Genus "Candidatus Meridianibacter" Ji et al. 2022
                     12 Genus "Candidatus Nyctobacter" Ji et al. 2022
                     13 Genus "Candidatus Palsibacter" Ji et al. 2022
                     14 Genus "Candidatus Tityobacter" Ji et al. 2022
                     15 Genus "Candidatus Tumulicola" Ji et al. 2022
                     16 Genus "Candidatus Tyrphobacter" Ji et al. 2022
                     17 Genus "Candidatus Velthaea" Ji et al. 2022