gaetbulibacter gaetbulibacter gaetbulibacter is a gram-negative genus of bacteria from the family of flavobacteriaceae. gaetbulibacter scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: gaetbulibacterjung et al. 2005 species g. aestuarii g. aquiaggeris g. jejuensis g. lutimaris g. marinus g. saemankumensis