formosa haliotis formosa haliotis formosa haliotis is a gram-negative, aerobic, rod-shaped bacterium from the genus formosa which has been isolated from the marine snail haliotis gigantea in japan. formosa haliotis scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: formosa species: f. haliotis binomial name formosa haliotistanaka et al. 2015 synonyms formosa algicola