English Sulfurospirillum Cited by user Sonialandwehr on 09 Apr 2024 Sulfurospirillum (/ˌsʌlfɜːroʊspɪˈrɪlʌm/ SULF-ur-oh-spə-RIHL-um) is a genus of the gram-negative, aerotolerant, rod-shaped bacteria in the family Campylobactaeraceae.