mariniphaga sediminis mariniphaga sediminis mariniphaga sediminis is a gram-negative and facultatively anaerobic bacterium from the genus of mariniphaga which has been isolated from sediments from the coast of weihai. mariniphaga sediminis scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: prolixibacteraceae genus: mariniphaga species: m. sediminis binomial name mariniphaga sediminiswang et al. 2015 type strain sy21