dorea formicigenerans dorea formicigenerans dorea formicigenerans is a gram-positive, obligately anaerobic, non-spore-forming, and rod-shaped bacterium from the genus dorea and is found in human faeces. dorea formicigenerans scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: lachnospiraceae genus: dorea species: d. formicigenerans binomial name dorea formicigenerans(holdeman and moore 1974) taras et al. 2002 type strain atcc 27755, dsm 3992, jcm 10342, jcm 9500, vpi c8-13 synonyms eubacterium formicigenerans