Procaryotic Genera Domain "Bacteria" Woese et al. 1990 Phylum Thermodesulfobacteria Garrity and Holt 2001 [monotypic] see Phylum Deltaproteobacteria Kuever et al., 2006 Class Thermodesulfobacteria Hatchikian et al. 2001 [monotypic] see Class Thermodesulfobacteria Hatchikian et al. 2002 Order Thermodesulfobacterialesᵀ Hatchikian et al. 2001 [monotypic] see Order Thermodesulfobacteriales Hatchikian et al. 2002 Family Thermodesulfobacteriaceae Hatchikian et al. 2001 [monotypic] see Family Thermodesulfobacteriaceae Hatchikian et al. 2002 1 Genus Thermodesulfobacteriumᵀ Zeikus et al. 1995