prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 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. 2002 [monotypic] Order Thermodesulfobacteriales Hatchikian et al. 2002 [monotypic] Family Thermodesulfobacteriaceae Hatchikian et al. 2002 Genus Thermodesulfobacterium Zeikus et al. 1995