mesonia mobilis mesonia mobilis mesonia mobilis is a gram-negative, strictly aerobic, heterotrophic, chemoorganotrophic and motile bacterium from the genus of mesonia which has been isolated from seawater. mesonia mobilis scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: mesonia species: m. mobilis binomial name mesonia mobilisnedashkovskaya et al. 2006 type strain kmm 6059