desulfofaba gelida desulfofaba gelida desulfofaba gelida is a gram-negative, sulfate-reducing and psychrophilic bacterium from the genus of desulfofaba which has been isolated from marine mud from hornsund in norway. desulfofaba gelida scientific classification domain: bacteria phylum: thermodesulfobacteriota class: desulfobacteria order: desulfobacterales family: desulfobacteraceae genus: desulfofaba species: d. gelida binomial name desulfofaba gelidaknoblauch et al. 1999 type strain dsm 12344, psv29