muriicola marianensis muriicola marianensis muriicola marianensis is a gram-negative, aerobic, rod-shaped and non-motile bacterium from the genus of muriicola which has been isolated from seawater from the mariana trench. muriicola marianensis scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: muriicola species: m. lacisalsi binomial name muriicola lacisalsihu et al. 2015 type strain a6b8