desulfovirgula desulfovirgula desulfovirgula is a genus of sulfate reducing, anaerobic, endospore-forming, gram-positive, thermophilic, motile, rod-shaped bacteria, isolated from an underground mining site in an area of japan characterized by high geothermal activity. desulfovirgula scientific classification domain: bacteria phylum: bacillota class: clostridia order: thermoanaerobacterales family: thermoanaerobacteraceae genus: desulfovirgulakaksonen et al. 2007 type species desulfovirgula thermocuniculikaksonen et al. 2007 species d. thermocuniculi up to now (december 2021) desulfovirgula thermocuniculi is the sole known species in the genus. electron acceptors that this organism can utilize include sulfate, sulfite, thiosulfate and elemental sulfur, while h2 (in the presence of co2) and carboxylic acids can be utilized as electron donors.