propioniferax innocua propioniferax innocua propioniferax innocua is a gram-positive, non-spore-forming and non-motile bacterium from the genus propioniferax which has been isolated from human skin. propioniferax innocua scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: propionibacteriales family: propionibacteriaceae genus: propioniferaxyokota et al. 1994 species: p. innocua binomial name propioniferax innocua(pitcher and collins 1992) yokota et al. 1994 type strain atcc 49929ccug 33480cip 110011dsm 8251jcm 13395l60lmg 16732nctc 11082 synonyms propionibacterium innocuum pitcher and collins 1992