endozoicomonas elysicola endozoicomonas elysicola endozoicomonas elysicola is a gram-negative, rod-shaped and strictly aerobic bacterium from the genus of endozoicomonas which has been isolated from the gastrointestinal tract of the sea slug elysia ornata from the coast of izu-miyake island in japan. endozoicomonas elysicola scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: oceanospirillales family: hahellaceae genus: endozoicomonas species: e. elysicola binomial name endozoicomonas elysicolakurahashi and yokota 2007 synonyms elysiobacter vulgo,endozoicimonas elysicola