galbibacter mesophilus galbibacter mesophilus galbibacter mesophilus is a gram-negative and rod-shaped bacterium from the genus of galbibacter which has been isolated from sediments from the okinawa island in japan. galbibacter mesophilus scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: galbibacter species: g. mesophilus binomial name galbibacter mesophiluskhan et al. 2007 type strain mok-17