flavobacterium frigidarium flavobacterium frigidarium flavobacterium frigidarium is a bacterium. it is an aerobic, psychrophilic, xylanolytic and laminarinolytic bacterium from antarctica. it is gram-negative, non-motile and yellow-pigmented. its type strain is a2it (= atcc 700810t = ncimb 13737t). flavobacterium frigidarium scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: flavobacterium species: f. frigidarium binomial name flavobacterium frigidariumhumphry et al. 2001