runella slithyformis runella slithyformis runella slithyformis is a bacterium from the genus of runella which has been isolated from a fresh water lake in baton rouge in the united states. runella slithyformis scientific classification domain: bacteria phylum: bacteroidota class: cytophagia order: cytophagales family: spirosomaceae genus: runella species: r. slithyformis binomial name runella slithyformislarkin and williams 1978 type strain atcc 29530, dsm 19594, kctc 12163, larkin lsu 4, larkinlsu4, lmg 11500, lsu 4, ncimb 11436