pelotomaculum thermopropionicum pelotomaculum thermopropionicum pelotomaculum thermopropionicum is an anaerobic, thermophilic, syntrophic propionate-oxidizing bacterium, the type species of its genus. the type strain is strain si(t) (= dsm 13744t = jcm 10971t). pelotomaculum thermopropionicum scientific classification domain: bacteria phylum: bacillota class: clostridia order: clostridiales family: peptococcaceae genus: pelotomaculum species: p. thermopropionicumimachi et al. 2002 binomial name pelotomaculum thermopropionicum