peptoniphilus ivorii peptoniphilus ivorii peptoniphilus ivorii is a bacterium from the genus of peptoniphilus which has been isolated from a leg ulcer. peptoniphilus ivorii scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: peptoniphilaceae genus: peptoniphilus species: p. ivorii binomial name peptoniphilus ivorii(murdoch et al. 1997) ezaki et al. 2001 type strain ccug 38492, cip 105325, dsm 10022, nctc 13078 synonyms peptostreptococcus ivoricus,peptostreptococcus ivorii