syntrophobacter syntrophobacter syntrophobacter is a genus of bacteria from the family of syntrophobacteraceae. syntrophobacter have the ability to grow on propionate. syntrophobacter scientific classification domain: bacteria phylum: thermodesulfobacteriota class: syntrophobacteria order: syntrophobacterales family: syntrophobacteraceae genus: syntrophobacterboone and bryant 1984 type species syntrophobacter wolinii species s. fumaroxidans s. pfennigii s. sulfatireducens s. wolinii