sphingobacterium cibi sphingobacterium cibi sphingobacterium cibie is a gram-negative, aerobic, rod-shaped and non-motile bacterium from the genus of sphingobacterium which has been isolated from food-waste compost. sphingobacterium cibi scientific classification domain: bacteria phylum: bacteroidota class: sphingobacteriia order: sphingobacteriales family: sphingobacteriaceae genus: sphingobacterium species: s. cibi binomial name sphingobacterium cibilai et al. 2016