Domain Bacteria Woese et al. 1990 Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005 Class "Deltaproteobacteria" Garrity et al. 2001 nom. ined. see Class Deltaproteobacteria Kuever et al. 2006 Order "Desulfobacterales" Garrity et al. 2001 nom. ined. see Order Desulfobacterales Kuever et al. 2006 Family "Desulfobacteraceae" Garrity et al. 2001 nom. ined. see Family Desulfobacteraceae Kuever et al. 2006 Genus Desulfobacterium Bak and Widdel 1988 Genus "Desulfobacula" Rabus et al. 2000 Genus "Desulfobotulus" Kuever et al. 2005 nom. inval. see Genus Desulfobotulus Kuever et al. 2009 Genus Desulfocella Brandt et al. 1999 Genus Desulfococcus Widdel 1981 Genus Desulfofaba Knoblauch et al. 1999 Genus Desulfofrigus Knoblauch et al. 1999 Genus Desulfonema Widdel 1981 Genus Desulfosarcina Widdel 1981 Genus Desulfospira Finster et al. 1997 Genus Desulfotalea Knoblauch et al. 1999 1 Genus Desulfobacter Widdel 1981