spongiiferula spongiiferula spongiiferula is a gram-negative, strictly aerobic, rod-shaped, chemoheterotrophic and non-motile genus of bacteria from the family of flavobacteriaceae with one known species (spongiiferula fulva). spongiiferula fulva has been isolated from the marine sponge rhabdastrella sp. spongiiferula scientific classification domain: bacteria phylum: bacteroidota class: flavobacteria order: flavobacteriales family: flavobacteriaceae genus: spongiiferulayoon et al. 2016 type species spongiiferula fulva species s. fulva