fournierella massiliensis fournierella massiliensis fournierella massiliensis is a bacterium of the monotypic genus fournierella in the family oscillospiraceae. fournierella massiliensis scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: oscillospiraceae genus: fournierellatogo et al. 2017 species: f. massiliensis binomial name fournierella massiliensistogo et al. 2017