anaerocella delicata anaerocella delicata anaerocella delicata is a gram-negative, non-spore-forming, anaerobic and non-motile bacterium from the genus of anaerocella which has been isolated from a methanogenic reactor of cattle waste in hokkaido in japan. anaerocella delicata scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: rikenellaceae genus: anaerocella species: a. delicata binomial name anaerocella delicataabe et al. 2013 type strain dsm 23595, jcm 17049, wn081