colwellia agarivorans colwellia agarivorans colwellia agarivorans is a gram-negative and facultatively anaerobic bacterium from the genus of colwellia which has been isolated from coastal seawater from qingdao in china. colwellia agarivorans scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: colwelliaceae genus: colwellia species: c. agarivorans binomial name colwellia agarivoransxu et al. 2017 type strain kctc 52273, mccc 1h00143, strain qm50 synonyms colwellia agarovoran