desulfofaba desulfofaba desulfofaba is a gram-negative, anaerobic, non-spore-forming and motile bacteria genus from the family of desulfobacteraceae. desulfofaba scientific classification domain: bacteria phylum: thermodesulfobacteriota class: desulfobacteria order: desulfobacterales family: desulfobacteraceae genus: desulfofabaknoblauch et al. 1999 type species desulfofaba gelida species d. fastidiosa d. gelida d. hansenii synonyms desulfomusa, pseudodesulfobulbus