galbibacter marinus galbibacter marinus galbibacter marinus is a gram-negative, rod-shaped moderately halophilic and non-motile bacterium from the genus of galbibacter which has been isolated from deep-sea sediments from the indian ocean ridge. galbibacter marinus has the ability to denitrification. galbibacter marinus scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: galbibacter species: g. marinus binomial name galbibacter marinusli et al. 2013 type strain ck-i2-15