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 Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024
               Phylum Thermomicrobiota Garrity and Holt 2021 [monotypic]
                 Class Thermomicrobiaᵀ Garrity and Holt 2002
                   Order Thermomicrobialesᵀ Garrity and Holt 2002 [monotypic]
                     Family Thermomicrobiaceaeᵀ Garrity and Holt 2002
                       1 Genus Thermalbibacter Zhao et al. 2023
                       2 Genus Thermomicrobiumᵀ Jackson et al. 1973 (Approved Lists 1980)
                       3 Genus Thermorudis King and King 2014