| campylobacter coli | species | bacteria | bacteria | species | 195 |
| campylobacter helveticus | species | bacteria | bacteria | species | 28898 |
| campylobacter jejuni | species | bacteria | bacteria | species | 197 |
| campylobacter jejuni subsp. jejuni | subspecies | bacteria | bacteria | subspecies | 32022 |
| campylobacter rectus | species | bacteria | bacteria | species | 203 |
| campylobacter sp. rm16192 | no rank | | | species | 1660080 |
| campylobacter upsaliensis | species | bacteria | bacteria | species | 28080 |