alkalibacillus flavidus alkalibacillus flavidus alkalibacillus flavidus is a gram-positive, rod-shaped and motile bacterium from the genus alkalibacillus which has been isolated from a marine solar saltern from the yellow sea. alkalibacillus flavidus scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: alkalibacillus species: a. flavidus binomial name alkalibacillus flavidusyoon et al. 2010 type strain isl-17