marivita hallyeonensis marivita hallyeonensis marivita hallyeonensis is a gram-negative, aerobic, rod-shaped, non-spore-forming and non-motile bacterium from the genus of marivita which has been isolated from seawater from geoje-do in korea. marivita hallyeonensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: marivita species: m. hallyeonensis binomial name marivita hallyeonensisyoon et al. 2012 type strain ccug 60522, kctc 23421, strain dpg-28