seonamhaeicola marinus seonamhaeicola marinus seonamhaeicola marinus is a gram-negative, facultatively anaerobic, rod-shaped and non-motile bacterium from the genus of seonamhaeicola which has been isolated from the algae gracilaria blodgettii. seonamhaeicola marinus scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: seonamhaeicola species: s. marinus binomial name seonamhaeicola marinusfang et al. 2017 type strain b011