adlercreutzia equolifaciens adlercreutzia equolifaciens adlercreutzia equolifaciens is a equol-producing bacterium from the genus of adlercreutzia which has been isolated from human faeces. the species adlercreutzia equolifaciens hast the subspecies adlercreutzia equolifaciens subsp. celatus and adlercreutzia equolifaciens subsp. equolifaciens. adlercreutzia equolifaciens scientific classification domain: bacteria phylum: actinomycetota class: coriobacteriia order: eggerthellales family: eggerthellaceae genus: adlercreutzia species: a. equolifaciens binomial name adlercreutzia equolifaciensmaruo et al. 2008 type strain fjc-b9