oceanimonas baumannii oceanimonas baumannii oceanimonas baumannii is a gram-negative and motile bacterium from the genus of oceanimonas which has been isolated from estuarine mud from the river wear in england. oceanimonas baumannii scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: aeromonadales family: aeromonadaceae genus: oceanimonas species: o. baumannii binomial name oceanimonas baumanniibrown et al. 2001 type strain atcc 700832, dsm 15594, ncimb 13685, strain gb6 synonyms oceanomonas baumannii