syntrophobacterales syntrophobacterales the syntrophobacterales are an order of thermodesulfobacteriota. all genera are strictly anaerobic. many of the family syntrophobacteraceae are sulfate-reducing. some species are motile by using one polar flagellum. syntrophobacterales scientific classification domain: bacteria phylum: thermodesulfobacteriota class: syntrophobacterales order: syntrophobacteraleswaite et al. 2020 families syntrophobacteraceae thermodesulforhabdaceae phylogeny the currently accepted taxonomy is based on the list of prokaryotic names with standing in nomenclature (lpsn) and national center for biotechnology information (ncbi) 16s rrna based ltp_01_2022 120 marker proteins based gtdb 07-rs207 thermodesulforhabdaceae thermodesulforhabdus syntrophobacteraceae desulforhabdus syntrophobacter species-group 2 syntrophobacterium desulfovirga syntrophobacter wolinii desulfoglaeba desulfacinum desulfosoma thermodesulforhabdaceae thermodesulforhabdus syntrophobacteraceae syntrophobacter desulforhabdus syntrophobacterium dsm‑9756 desulfoglaeba desulfacinum desulfosoma