desulfacinum desulfacinum desulfacinum is an acetate-oxidizing bacteria genus from the family of syntrophobacteraceae. desulfacinum hydrothermale scientific classification domain: bacteria phylum: thermodesulfobacteriota class: syntrophobacteria order: syntrophobacterales family: syntrophobacteraceae genus: desulfacinumrees et al. 1995 type species desulfacinum infernum species d. hydrothermale d. infernum synonyms desulfoacinum