lutibacter profundi lutibacter profundi lutibacter profundi is a gram-negative, rod-shaped and non-motile bacterium from the genus of lutibacter which has been isolated from the loki's castle hydrothermal system from the arctic mid-ocean ridge. lutibacter profundi scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: lutibacter species: l. profundi binomial name lutibacter profundile moine bauer et al. 2016 type strain lp1