syntrophothermus syntrophothermus syntrophothermus is a bacterial genus from the family of syntrophomonadaceae. up to now there is only on species of this genus known (syntrophothermus lipocalidus). syntrophothermus syntrophothermus lipocalidus scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: syntrophomonadaceae genus: syntrophothermussekiguchi et al. 2000 type species syntrophothermus lipocalidus species s. lipocalidus