barnesiella viscericola barnesiella viscericola barnesiella viscericola is a gram-negative, obligately anaerobic, non-spore-forming and non-motile bacterium from the genus of barnesiella which has been isolated from chicken caecum in japan. barnesiella viscericola scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: barnesiellaceae genus: barnesiella species: b. viscericola binomial name barnesiella viscericolasakamoto et al. 2007 type strain c46, dsm 18177, jcm 13660 synonyms barnesella viscericola