xanthomarina xanthomarina xanthomarina is a genus of bacteria from the family of flavobacteriaceae. xanthomarina scientific classification domain: bacteria phylum: bacteroidota class: flavobacteria order: flavobacteriales family: flavobacteriaceae genus: xanthomarinavaidya et al. 2015 type species xanthomarina gelatinilytica species x. gelatinilytica x. spongicola