sunxiuqinia faeciviva sunxiuqinia faeciviva sunxiuqinia faeciviva is a facultatively anaerobic and organoheterotrophic bacterium from the genus of sunxiuqinia which has been isolated from deep subseafloor sediments from the shimokita peninsula. sunxiuqinia faeciviva scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: prolixibacteraceae genus: sunxiuqinia species: s. faeciviva binomial name sunxiuqinia faecivivatakai et al. 2013 type strain jam-ba0302