fulvivirga kasyanovii fulvivirga kasyanovii fulvivirga kasyanovii is a gram-negative, heterotrophic and strictly aerobic bacterium from the genus of fulvivirga which has been isolated from seawater from a mussel farm. fulvivirga kasyanovii scientific classification domain: bacteria phylum: bacteroidota class: cytophagia order: cytophagales family: fulvivirgaceae genus: fulvivirga species: f. kasyanovii binomial name fulvivirga kasyanoviinedashkovskaya et al. 2007 type strain cctcc ab 206119, jcm 16186, kctc 12832, kmm 6220