flavilitoribacter nigricans flavilitoribacter nigricans flavilitoribacter nigricans is a bacterium from the family saprospiraceae which has been isolated from beach sand near lagos in nigeria. flavilitoribacter nigricans scientific classification domain: bacteria phylum: bacteroidota class: saprospiria order: saprospirales family: lewinellaceae genus: flavilitoribactergarcía-lópez et al. 2020 species: f. nigricans binomial name flavilitoribacter nigricans(lewin 1970) garcía-lópez et al. 2020 type strain atcc 19592atcc 23147nbrc 102662ncimb 1420ss2 synonyms herpetosiphon nigricans lewin 1970 (approved lists 1980) lewinella nigricans (lewin 1970) sly et al. 1998