[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Thermodesulfobacteria" Garrity and Holt 2002 stat. inval. see Phylum Thermodesulfobacteriota Garrity and Holt 2021
       Class Thermodesulfobacteria Hatchikian et al. 2002
         Order Thermodesulfobacteriales Hatchikian et al. 2002
           Family Thermodesulfobacteriaceae Hatchikian et al. 2002
             Genus Thermodesulfobacterium Zeikus et al. 1995
               1 Thermodesulfobacterium commune Zeikus et al. 1995
               2 Thermodesulfobacterium hydrogeniphilum Jeanthon et al. 2002
               3 Thermodesulfobacterium hveragerdense Sonne-Hansen and Ahring 2000
               4 Thermodesulfobacterium thermophilum (Rozanova and Khudyakova 1974) Rozanova and Pivovarova 1995