[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Thermodesulfobacteria" Garrity and Holt 2001 see Phylum Deltaproteobacteria Kuever et al., 2006
       Class Thermodesulfobacteria Hatchikian et al. 2002
         Order Thermodesulfobacteriales Hatchikian et al. 2002
           Family Thermodesulfobacteriaceae Hatchikian et al. 2002
             Genus Thermodesulfobacterium Zeikus et al. 1995
               Thermodesulfobacterium commune Zeikus et al. 1995