acetoanaerobium pronyense acetoanaerobium pronyense acetoanaerobium pronyense is a bacterium from the family peptostreptococcaceae. acetoanaerobium pronyense scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: peptostreptococcaceae genus: acetoanaerobium species: a. pronyense binomial name acetoanaerobium pronyensebes et al. 2015