maribellus luteus maribellus luteus maribellus luteus is a gram-negative, facultatively anaerobic and non-motile bacterium from the genus of maribellus which has been isolated from seawater from the coast of xiaoshi island from china. maribellus luteus scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: prolixibacteraceae genus: maribellus species: m. luteus binomial name maribellus luteuszhou et al. 2019 type strain xsd2